* [PATCHv11 00/15] Refactoring Videobuf2 for common use
@ 2015-11-20 16:45 Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 01/15] vb2: drop v4l2_format argument from queue_setup Hans Verkuil
` (14 more replies)
0 siblings, 15 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae
From: Hans Verkuil <hans.verkuil@cisco.com>
Oops, v10 missed the first patch and had a bogus last patch. My fault.
So ignore v10 and use v11 instead.
It seems that Junghak no longer has time to work on this, so at Mauro's
request I'm taking over this patch series.
This is revision 11 and it incorporates comments from Sakari, Junghak and
myself.
Changes since v9:
- Added my patches that drop the v4l2_format argument from queue_setup,
incorporating Junghak's comments.
- Updated Junghak's patches with my comments.
- Added a solo6x10 timestamp handling fix.
- Update the videobuf2-core module description.
- Make the fill_user_buffer and copy_timestamp ops void.
- Sakari reported that the handling of plane sizes was (and always has been)
broken for create_bufs. This is now fixed in the last four patches (three
cleanup/simplification patches and a final patch that fixes the problem).
Regards,
Hans
Hans Verkuil (9):
vb2: drop v4l2_format argument from queue_setup
DocBook media: update VIDIOC_CREATE_BUFS documentation
solo6x10: use v4l2_get_timestamp to fill in buffer timestamp
videobuf2-core.c: update module description
videobuf2-core: fill_user_buffer and copy_timestamp should return void
videobuf2-core: move __setup_lengths into __vb2_queue_alloc()
videobuf2-core: fill in q->bufs[vb->index] before buf_init()
videobuf2-core: call __setup_offsets before buf_init()
videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS
Junghak Sung (6):
media: videobuf2: Move timestamp to vb2_buffer
media: videobuf2: Add copy_timestamp to struct vb2_queue
media: videobuf2: Separate vb2_poll()
media: videobuf2: last_buffer_queued is set at fill_v4l2_buffer()
media: videobuf2: Refactor vb2_fileio_data and vb2_thread
media: videobuf2: Move vb2_fileio_data and vb2_thread to core part
.../DocBook/media/v4l/vidioc-create-bufs.xml | 30 +-
Documentation/video4linux/v4l2-pci-skeleton.c | 11 +-
drivers/input/touchscreen/sur40.c | 13 +-
drivers/media/dvb-frontends/rtl2832_sdr.c | 4 +-
drivers/media/pci/cobalt/cobalt-irq.c | 2 +-
drivers/media/pci/cobalt/cobalt-v4l2.c | 12 +-
drivers/media/pci/cx23885/cx23885-417.c | 2 +-
drivers/media/pci/cx23885/cx23885-core.c | 2 +-
drivers/media/pci/cx23885/cx23885-dvb.c | 2 +-
drivers/media/pci/cx23885/cx23885-vbi.c | 2 +-
drivers/media/pci/cx23885/cx23885-video.c | 4 +-
drivers/media/pci/cx25821/cx25821-video.c | 14 +-
drivers/media/pci/cx88/cx88-blackbird.c | 2 +-
drivers/media/pci/cx88/cx88-core.c | 2 +-
drivers/media/pci/cx88/cx88-dvb.c | 2 +-
drivers/media/pci/cx88/cx88-vbi.c | 2 +-
drivers/media/pci/cx88/cx88-video.c | 2 +-
drivers/media/pci/dt3155/dt3155.c | 13 +-
drivers/media/pci/netup_unidvb/netup_unidvb_core.c | 3 +-
drivers/media/pci/saa7134/saa7134-core.c | 2 +-
drivers/media/pci/saa7134/saa7134-ts.c | 2 +-
drivers/media/pci/saa7134/saa7134-vbi.c | 2 +-
drivers/media/pci/saa7134/saa7134-video.c | 2 +-
drivers/media/pci/saa7134/saa7134.h | 2 +-
drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c | 4 +-
drivers/media/pci/solo6x10/solo6x10-v4l2.c | 4 +-
drivers/media/pci/sta2x11/sta2x11_vip.c | 4 +-
drivers/media/pci/tw68/tw68-video.c | 22 +-
drivers/media/platform/am437x/am437x-vpfe.c | 19 +-
drivers/media/platform/blackfin/bfin_capture.c | 14 +-
drivers/media/platform/coda/coda-bit.c | 6 +-
drivers/media/platform/coda/coda-common.c | 2 +-
drivers/media/platform/coda/coda.h | 2 +-
drivers/media/platform/davinci/vpbe_display.c | 15 +-
drivers/media/platform/davinci/vpif_capture.c | 19 +-
drivers/media/platform/davinci/vpif_display.c | 19 +-
drivers/media/platform/exynos-gsc/gsc-m2m.c | 5 +-
drivers/media/platform/exynos4-is/fimc-capture.c | 33 +-
drivers/media/platform/exynos4-is/fimc-isp-video.c | 33 +-
drivers/media/platform/exynos4-is/fimc-lite.c | 33 +-
drivers/media/platform/exynos4-is/fimc-m2m.c | 4 +-
drivers/media/platform/m2m-deinterlace.c | 3 +-
drivers/media/platform/marvell-ccic/mcam-core.c | 15 +-
drivers/media/platform/mx2_emmaprp.c | 3 +-
drivers/media/platform/omap3isp/ispvideo.c | 3 +-
drivers/media/platform/rcar_jpu.c | 27 +-
drivers/media/platform/s3c-camif/camif-capture.c | 35 +-
drivers/media/platform/s5p-g2d/g2d.c | 4 +-
drivers/media/platform/s5p-jpeg/jpeg-core.c | 5 +-
drivers/media/platform/s5p-mfc/s5p_mfc.c | 4 +-
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 2 +-
drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 1 -
drivers/media/platform/s5p-tv/mixer_video.c | 2 +-
drivers/media/platform/sh_veu.c | 33 +-
drivers/media/platform/sh_vou.c | 13 +-
drivers/media/platform/soc_camera/atmel-isi.c | 4 +-
drivers/media/platform/soc_camera/mx2_camera.c | 8 +-
drivers/media/platform/soc_camera/mx3_camera.c | 40 +-
drivers/media/platform/soc_camera/rcar_vin.c | 42 +-
.../platform/soc_camera/sh_mobile_ceu_camera.c | 39 +-
drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 14 +-
drivers/media/platform/ti-vpe/vpe.c | 3 +-
drivers/media/platform/vim2m.c | 15 +-
drivers/media/platform/vivid/vivid-core.h | 2 +-
drivers/media/platform/vivid/vivid-ctrls.c | 14 +-
drivers/media/platform/vivid/vivid-kthread-cap.c | 6 +-
drivers/media/platform/vivid/vivid-kthread-out.c | 8 +-
drivers/media/platform/vivid/vivid-sdr-cap.c | 6 +-
drivers/media/platform/vivid/vivid-vbi-cap.c | 8 +-
drivers/media/platform/vivid/vivid-vbi-out.c | 2 +-
drivers/media/platform/vivid/vivid-vid-cap.c | 22 +-
drivers/media/platform/vivid/vivid-vid-out.c | 19 +-
drivers/media/platform/vsp1/vsp1_video.c | 53 +-
drivers/media/platform/xilinx/xilinx-dma.c | 14 +-
drivers/media/usb/airspy/airspy.c | 4 +-
drivers/media/usb/au0828/au0828-vbi.c | 14 +-
drivers/media/usb/au0828/au0828-video.c | 14 +-
drivers/media/usb/em28xx/em28xx-vbi.c | 20 +-
drivers/media/usb/em28xx/em28xx-video.c | 21 +-
drivers/media/usb/go7007/go7007-driver.c | 2 +-
drivers/media/usb/go7007/go7007-v4l2.c | 1 -
drivers/media/usb/hackrf/hackrf.c | 6 +-
drivers/media/usb/msi2500/msi2500.c | 1 -
drivers/media/usb/pwc/pwc-if.c | 5 +-
drivers/media/usb/s2255/s2255drv.c | 4 +-
drivers/media/usb/stk1160/stk1160-v4l.c | 2 +-
drivers/media/usb/stk1160/stk1160-video.c | 2 +-
drivers/media/usb/usbtv/usbtv-video.c | 11 +-
drivers/media/usb/uvc/uvc_queue.c | 14 +-
drivers/media/usb/uvc/uvc_video.c | 15 +-
drivers/media/v4l2-core/videobuf2-core.c | 924 +++++++++++++++++++--
drivers/media/v4l2-core/videobuf2-internal.h | 161 ----
drivers/media/v4l2-core/videobuf2-v4l2.c | 701 ++--------------
drivers/staging/media/davinci_vpfe/vpfe_video.c | 4 +-
drivers/staging/media/omap4iss/iss_video.c | 3 +-
drivers/usb/gadget/function/uvc_queue.c | 4 +-
include/media/videobuf2-core.h | 108 ++-
include/media/videobuf2-v4l2.h | 40 +-
include/trace/events/v4l2.h | 4 +-
include/trace/events/vb2.h | 7 +-
100 files changed, 1384 insertions(+), 1549 deletions(-)
delete mode 100644 drivers/media/v4l2-core/videobuf2-internal.h
--
2.6.2
^ permalink raw reply [flat|nested] 18+ messages in thread
* [PATCHv11 01/15] vb2: drop v4l2_format argument from queue_setup
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 02/15] DocBook media: update VIDIOC_CREATE_BUFS documentation Hans Verkuil
` (13 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
The queue_setup callback has a void pointer that is just for V4L2
and is the pointer to the v4l2_format struct that was passed to
VIDIOC_CREATE_BUFS. The idea was that drivers would use the information
from that struct to buffers suitable for the requested format.
After the vb2 split series this pointer is now a void pointer,
which is ugly, and the reality is that all existing drivers will
effectively just look at the sizeimage field of v4l2_format.
To make this more generic the queue_setup callback is changed:
the void pointer is dropped, instead if the *num_planes argument
is 0, then use the current format size, if it is non-zero, then
it contains the number of requested planes and the sizes array
contains the requested sizes. If either is unsupported, then return
-EINVAL, otherwise use the requested size(s).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
Documentation/video4linux/v4l2-pci-skeleton.c | 11 +++--
drivers/input/touchscreen/sur40.c | 11 +++--
drivers/media/dvb-frontends/rtl2832_sdr.c | 2 +-
drivers/media/pci/cobalt/cobalt-v4l2.c | 12 ++---
drivers/media/pci/cx23885/cx23885-417.c | 2 +-
drivers/media/pci/cx23885/cx23885-dvb.c | 2 +-
drivers/media/pci/cx23885/cx23885-vbi.c | 2 +-
drivers/media/pci/cx23885/cx23885-video.c | 2 +-
drivers/media/pci/cx25821/cx25821-video.c | 12 ++---
drivers/media/pci/cx88/cx88-blackbird.c | 2 +-
drivers/media/pci/cx88/cx88-dvb.c | 2 +-
drivers/media/pci/cx88/cx88-vbi.c | 2 +-
drivers/media/pci/cx88/cx88-video.c | 2 +-
drivers/media/pci/dt3155/dt3155.c | 11 +++--
drivers/media/pci/netup_unidvb/netup_unidvb_core.c | 1 -
drivers/media/pci/saa7134/saa7134-ts.c | 2 +-
drivers/media/pci/saa7134/saa7134-vbi.c | 2 +-
drivers/media/pci/saa7134/saa7134-video.c | 2 +-
drivers/media/pci/saa7134/saa7134.h | 2 +-
drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c | 1 -
drivers/media/pci/solo6x10/solo6x10-v4l2.c | 2 +-
drivers/media/pci/sta2x11/sta2x11_vip.c | 2 +-
drivers/media/pci/tw68/tw68-video.c | 20 ++++-----
drivers/media/platform/am437x/am437x-vpfe.c | 17 ++++----
drivers/media/platform/blackfin/bfin_capture.c | 12 +++--
drivers/media/platform/coda/coda-common.c | 2 +-
drivers/media/platform/davinci/vpbe_display.c | 13 +++---
drivers/media/platform/davinci/vpif_capture.c | 17 ++++----
drivers/media/platform/davinci/vpif_display.c | 13 +++---
drivers/media/platform/exynos-gsc/gsc-m2m.c | 1 -
drivers/media/platform/exynos4-is/fimc-capture.c | 31 +++++++------
drivers/media/platform/exynos4-is/fimc-isp-video.c | 31 ++++++-------
drivers/media/platform/exynos4-is/fimc-lite.c | 31 ++++++-------
drivers/media/platform/exynos4-is/fimc-m2m.c | 2 +-
drivers/media/platform/m2m-deinterlace.c | 1 -
drivers/media/platform/marvell-ccic/mcam-core.c | 13 +++---
drivers/media/platform/mx2_emmaprp.c | 1 -
drivers/media/platform/omap3isp/ispvideo.c | 1 -
drivers/media/platform/rcar_jpu.c | 25 ++++++-----
drivers/media/platform/s3c-camif/camif-capture.c | 33 +++++---------
drivers/media/platform/s5p-g2d/g2d.c | 2 +-
drivers/media/platform/s5p-jpeg/jpeg-core.c | 1 -
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 2 +-
drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 1 -
drivers/media/platform/s5p-tv/mixer_video.c | 2 +-
drivers/media/platform/sh_veu.c | 31 ++++---------
drivers/media/platform/sh_vou.c | 11 +++--
drivers/media/platform/soc_camera/atmel-isi.c | 2 +-
drivers/media/platform/soc_camera/mx2_camera.c | 6 ---
drivers/media/platform/soc_camera/mx3_camera.c | 38 +++-------------
drivers/media/platform/soc_camera/rcar_vin.c | 40 +++--------------
.../platform/soc_camera/sh_mobile_ceu_camera.c | 37 +++-------------
drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 10 ++---
drivers/media/platform/ti-vpe/vpe.c | 1 -
drivers/media/platform/vim2m.c | 13 ++----
drivers/media/platform/vivid/vivid-sdr-cap.c | 2 +-
drivers/media/platform/vivid/vivid-vbi-cap.c | 2 +-
drivers/media/platform/vivid/vivid-vbi-out.c | 2 +-
drivers/media/platform/vivid/vivid-vid-cap.c | 22 +++-------
drivers/media/platform/vivid/vivid-vid-out.c | 19 ++------
drivers/media/platform/vsp1/vsp1_video.c | 51 +++++-----------------
drivers/media/platform/xilinx/xilinx-dma.c | 12 +++--
drivers/media/usb/airspy/airspy.c | 2 +-
drivers/media/usb/au0828/au0828-vbi.c | 14 ++----
drivers/media/usb/au0828/au0828-video.c | 12 ++---
drivers/media/usb/em28xx/em28xx-vbi.c | 20 ++++-----
drivers/media/usb/em28xx/em28xx-video.c | 19 ++------
drivers/media/usb/go7007/go7007-v4l2.c | 1 -
drivers/media/usb/hackrf/hackrf.c | 2 +-
drivers/media/usb/msi2500/msi2500.c | 1 -
drivers/media/usb/pwc/pwc-if.c | 2 +-
drivers/media/usb/s2255/s2255drv.c | 2 +-
drivers/media/usb/stk1160/stk1160-v4l.c | 2 +-
drivers/media/usb/usbtv/usbtv-video.c | 9 ++--
drivers/media/usb/uvc/uvc_queue.c | 14 +++---
drivers/media/v4l2-core/videobuf2-core.c | 23 +++++++---
drivers/media/v4l2-core/videobuf2-v4l2.c | 48 +++++++++++++++++---
drivers/staging/media/davinci_vpfe/vpfe_video.c | 2 +-
drivers/staging/media/omap4iss/iss_video.c | 1 -
drivers/usb/gadget/function/uvc_queue.c | 2 +-
include/media/videobuf2-core.h | 40 +++++++++--------
81 files changed, 356 insertions(+), 520 deletions(-)
diff --git a/Documentation/video4linux/v4l2-pci-skeleton.c b/Documentation/video4linux/v4l2-pci-skeleton.c
index 95ae828..7ef6014 100644
--- a/Documentation/video4linux/v4l2-pci-skeleton.c
+++ b/Documentation/video4linux/v4l2-pci-skeleton.c
@@ -163,11 +163,10 @@ static irqreturn_t skeleton_irq(int irq, void *dev_id)
* minimum number: many DMA engines need a minimum of 2 buffers in the
* queue and you need to have another available for userspace processing.
*/
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct skeleton *skel = vb2_get_drv_priv(vq);
skel->field = skel->format.field;
@@ -183,12 +182,12 @@ static int queue_setup(struct vb2_queue *vq, const void *parg,
if (vq->num_buffers + *nbuffers < 3)
*nbuffers = 3 - vq->num_buffers;
+ alloc_ctxs[0] = skel->alloc_ctx;
- if (fmt && fmt->fmt.pix.sizeimage < skel->format.sizeimage)
- return -EINVAL;
+ if (*nplanes)
+ return sizes[0] < skel->format.sizeimage ? -EINVAL : 0;
*nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : skel->format.sizeimage;
- alloc_ctxs[0] = skel->alloc_ctx;
+ sizes[0] = skel->format.sizeimage;
return 0;
}
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index d214f22..3f3e2b1 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -644,22 +644,21 @@ static void sur40_disconnect(struct usb_interface *interface)
* minimum number: many DMA engines need a minimum of 2 buffers in the
* queue and you need to have another available for userspace processing.
*/
-static int sur40_queue_setup(struct vb2_queue *q, const void *parg,
+static int sur40_queue_setup(struct vb2_queue *q,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct sur40_state *sur40 = vb2_get_drv_priv(q);
if (q->num_buffers + *nbuffers < 3)
*nbuffers = 3 - q->num_buffers;
+ alloc_ctxs[0] = sur40->alloc_ctx;
- if (fmt && fmt->fmt.pix.sizeimage < sur40_video_format.sizeimage)
- return -EINVAL;
+ if (*nplanes)
+ return sizes[0] < sur40_video_format.sizeimage ? -EINVAL : 0;
*nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : sur40_video_format.sizeimage;
- alloc_ctxs[0] = sur40->alloc_ctx;
+ sizes[0] = sur40_video_format.sizeimage;
return 0;
}
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index dcd8d94..238191d 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -490,7 +490,7 @@ static int rtl2832_sdr_querycap(struct file *file, void *fh,
/* Videobuf2 operations */
static int rtl2832_sdr_queue_setup(struct vb2_queue *vq,
- const void *parg, unsigned int *nbuffers,
+ unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
{
struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq);
diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c b/drivers/media/pci/cobalt/cobalt-v4l2.c
index b1cb061..26a3d3b 100644
--- a/drivers/media/pci/cobalt/cobalt-v4l2.c
+++ b/drivers/media/pci/cobalt/cobalt-v4l2.c
@@ -43,11 +43,10 @@ static const struct v4l2_dv_timings cea1080p60 = V4L2_DV_BT_CEA_1920X1080P60;
/* vb2 DMA streaming ops */
-static int cobalt_queue_setup(struct vb2_queue *q, const void *parg,
+static int cobalt_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct cobalt_stream *s = q->drv_priv;
unsigned size = s->stride * s->height;
@@ -55,14 +54,11 @@ static int cobalt_queue_setup(struct vb2_queue *q, const void *parg,
*num_buffers = 3;
if (*num_buffers > NR_BUFS)
*num_buffers = NR_BUFS;
+ alloc_ctxs[0] = s->cobalt->alloc_ctx;
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
*num_planes = 1;
- if (fmt) {
- if (fmt->fmt.pix.sizeimage < size)
- return -EINVAL;
- size = fmt->fmt.pix.sizeimage;
- }
sizes[0] = size;
- alloc_ctxs[0] = s->cobalt->alloc_ctx;
return 0;
}
diff --git a/drivers/media/pci/cx23885/cx23885-417.c b/drivers/media/pci/cx23885/cx23885-417.c
index 2fe3708..bd33387 100644
--- a/drivers/media/pci/cx23885/cx23885-417.c
+++ b/drivers/media/pci/cx23885/cx23885-417.c
@@ -1138,7 +1138,7 @@ static int cx23885_initialize_codec(struct cx23885_dev *dev, int startencoder)
/* ------------------------------------------------------------------ */
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c
index c4307ad..5378d93 100644
--- a/drivers/media/pci/cx23885/cx23885-dvb.c
+++ b/drivers/media/pci/cx23885/cx23885-dvb.c
@@ -92,7 +92,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
/* ------------------------------------------------------------------ */
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/cx23885/cx23885-vbi.c b/drivers/media/pci/cx23885/cx23885-vbi.c
index cf3cb13..73763c2 100644
--- a/drivers/media/pci/cx23885/cx23885-vbi.c
+++ b/drivers/media/pci/cx23885/cx23885-vbi.c
@@ -121,7 +121,7 @@ static int cx23885_start_vbi_dma(struct cx23885_dev *dev,
/* ------------------------------------------------------------------ */
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
index 63f302e0..3cbee4c 100644
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -315,7 +315,7 @@ static int cx23885_start_video_dma(struct cx23885_dev *dev,
return 0;
}
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index 26e3e29..644373d 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -141,20 +141,20 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
return handled;
}
-static int cx25821_queue_setup(struct vb2_queue *q, const void *parg,
+static int cx25821_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct cx25821_channel *chan = q->drv_priv;
unsigned size = (chan->fmt->depth * chan->width * chan->height) >> 3;
- if (fmt && fmt->fmt.pix.sizeimage < size)
- return -EINVAL;
+ alloc_ctxs[0] = chan->dev->alloc_ctx;
+
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
*num_planes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size;
- alloc_ctxs[0] = chan->dev->alloc_ctx;
+ sizes[0] = size;
return 0;
}
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c
index 27ffb24..3233d45 100644
--- a/drivers/media/pci/cx88/cx88-blackbird.c
+++ b/drivers/media/pci/cx88/cx88-blackbird.c
@@ -637,7 +637,7 @@ static int blackbird_stop_codec(struct cx8802_dev *dev)
/* ------------------------------------------------------------------ */
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/cx88/cx88-dvb.c b/drivers/media/pci/cx88/cx88-dvb.c
index f048350..afb2075 100644
--- a/drivers/media/pci/cx88/cx88-dvb.c
+++ b/drivers/media/pci/cx88/cx88-dvb.c
@@ -82,7 +82,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
/* ------------------------------------------------------------------ */
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/cx88/cx88-vbi.c b/drivers/media/pci/cx88/cx88-vbi.c
index 007a5ee..ccc646d 100644
--- a/drivers/media/pci/cx88/cx88-vbi.c
+++ b/drivers/media/pci/cx88/cx88-vbi.c
@@ -107,7 +107,7 @@ int cx8800_restart_vbi_queue(struct cx8800_dev *dev,
/* ------------------------------------------------------------------ */
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index 726c5b8..4aafdef 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -429,7 +429,7 @@ static int restart_video_queue(struct cx8800_dev *dev,
/* ------------------------------------------------------------------ */
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/dt3155.c
index d84abde..f09bd73 100644
--- a/drivers/media/pci/dt3155/dt3155.c
+++ b/drivers/media/pci/dt3155/dt3155.c
@@ -131,22 +131,21 @@ static int wait_i2c_reg(void __iomem *addr)
}
static int
-dt3155_queue_setup(struct vb2_queue *vq, const void *parg,
+dt3155_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct dt3155_priv *pd = vb2_get_drv_priv(vq);
unsigned size = pd->width * pd->height;
if (vq->num_buffers + *nbuffers < 2)
*nbuffers = 2 - vq->num_buffers;
- if (fmt && fmt->fmt.pix.sizeimage < size)
- return -EINVAL;
- *num_planes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size;
alloc_ctxs[0] = pd->alloc_ctx;
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
+ *num_planes = 1;
+ sizes[0] = size;
return 0;
}
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index 60b2d46..2b20432 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -277,7 +277,6 @@ static irqreturn_t netup_unidvb_isr(int irq, void *dev_id)
}
static int netup_unidvb_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers,
unsigned int *nplanes,
unsigned int sizes[],
diff --git a/drivers/media/pci/saa7134/saa7134-ts.c b/drivers/media/pci/saa7134/saa7134-ts.c
index 7fb5ee7..0584a2a 100644
--- a/drivers/media/pci/saa7134/saa7134-ts.c
+++ b/drivers/media/pci/saa7134/saa7134-ts.c
@@ -116,7 +116,7 @@ int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2)
}
EXPORT_SYMBOL_GPL(saa7134_ts_buffer_prepare);
-int saa7134_ts_queue_setup(struct vb2_queue *q, const void *parg,
+int saa7134_ts_queue_setup(struct vb2_queue *q,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/saa7134/saa7134-vbi.c b/drivers/media/pci/saa7134/saa7134-vbi.c
index 6271b0e..e76da37 100644
--- a/drivers/media/pci/saa7134/saa7134-vbi.c
+++ b/drivers/media/pci/saa7134/saa7134-vbi.c
@@ -138,7 +138,7 @@ static int buffer_prepare(struct vb2_buffer *vb2)
saa7134_buffer_startpage(buf));
}
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 4d3a7fb..a63c136 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -904,7 +904,7 @@ static int buffer_prepare(struct vb2_buffer *vb2)
saa7134_buffer_startpage(buf));
}
-static int queue_setup(struct vb2_queue *q, const void *parg,
+static int queue_setup(struct vb2_queue *q,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h
index 7cc7582..5938bc7 100644
--- a/drivers/media/pci/saa7134/saa7134.h
+++ b/drivers/media/pci/saa7134/saa7134.h
@@ -820,7 +820,7 @@ void saa7134_video_fini(struct saa7134_dev *dev);
int saa7134_ts_buffer_init(struct vb2_buffer *vb2);
int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2);
-int saa7134_ts_queue_setup(struct vb2_queue *q, const void *parg,
+int saa7134_ts_queue_setup(struct vb2_queue *q,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[]);
int saa7134_ts_start_streaming(struct vb2_queue *vq, unsigned int count);
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
index 4432fd6..1f81f8d 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
@@ -663,7 +663,6 @@ static int solo_ring_thread(void *data)
}
static int solo_enc_queue_setup(struct vb2_queue *q,
- const void *parg,
unsigned int *num_buffers,
unsigned int *num_planes, unsigned int sizes[],
void *alloc_ctxs[])
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2.c b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
index f7ce493..212d15e 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
@@ -313,7 +313,7 @@ static void solo_stop_thread(struct solo_dev *solo_dev)
solo_dev->kthread = NULL;
}
-static int solo_queue_setup(struct vb2_queue *q, const void *parg,
+static int solo_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c
index 6367b45..b8b06fb 100644
--- a/drivers/media/pci/sta2x11/sta2x11_vip.c
+++ b/drivers/media/pci/sta2x11/sta2x11_vip.c
@@ -265,7 +265,7 @@ static void vip_active_buf_next(struct sta2x11_vip *vip)
/* Videobuf2 Operations */
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index 46642ef..2e71af1 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -376,28 +376,28 @@ static int tw68_buffer_count(unsigned int size, unsigned int count)
/* ------------------------------------------------------------- */
/* vb2 queue operations */
-static int tw68_queue_setup(struct vb2_queue *q, const void *parg,
+static int tw68_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct tw68_dev *dev = vb2_get_drv_priv(q);
unsigned tot_bufs = q->num_buffers + *num_buffers;
+ unsigned size = (dev->fmt->depth * dev->width * dev->height) >> 3;
- sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
+ if (tot_bufs < 2)
+ tot_bufs = 2;
+ tot_bufs = tw68_buffer_count(size, tot_bufs);
+ *num_buffers = tot_bufs - q->num_buffers;
alloc_ctxs[0] = dev->alloc_ctx;
/*
- * We allow create_bufs, but only if the sizeimage is the same as the
+ * We allow create_bufs, but only if the sizeimage is >= as the
* current sizeimage. The tw68_buffer_count calculation becomes quite
* difficult otherwise.
*/
- if (fmt && fmt->fmt.pix.sizeimage < sizes[0])
- return -EINVAL;
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
*num_planes = 1;
- if (tot_bufs < 2)
- tot_bufs = 2;
- tot_bufs = tw68_buffer_count(sizes[0], tot_bufs);
- *num_buffers = tot_bufs - q->num_buffers;
+ sizes[0] = size;
return 0;
}
diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
index f0480d6..e434c8e 100644
--- a/drivers/media/platform/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/am437x/am437x-vpfe.c
@@ -1898,7 +1898,6 @@ static void vpfe_calculate_offsets(struct vpfe_device *vpfe)
/*
* vpfe_queue_setup - Callback function for buffer setup.
* @vq: vb2_queue ptr
- * @fmt: v4l2 format
* @nbuffers: ptr to number of buffers requested by application
* @nplanes:: contains number of distinct video planes needed to hold a frame
* @sizes[]: contains the size (in bytes) of each plane.
@@ -1908,22 +1907,24 @@ static void vpfe_calculate_offsets(struct vpfe_device *vpfe)
* the buffer count and buffer size
*/
static int vpfe_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct vpfe_device *vpfe = vb2_get_drv_priv(vq);
-
- if (fmt && fmt->fmt.pix.sizeimage < vpfe->fmt.fmt.pix.sizeimage)
- return -EINVAL;
+ unsigned size = vpfe->fmt.fmt.pix.sizeimage;
if (vq->num_buffers + *nbuffers < 3)
*nbuffers = 3 - vq->num_buffers;
+ alloc_ctxs[0] = vpfe->alloc_ctx;
+
+ if (*nplanes) {
+ if (sizes[0] < size)
+ return -EINVAL;
+ size = sizes[0];
+ }
*nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : vpfe->fmt.fmt.pix.sizeimage;
- alloc_ctxs[0] = vpfe->alloc_ctx;
+ sizes[0] = size;
vpfe_dbg(1, vpfe,
"nbuffers=%d, size=%u\n", *nbuffers, sizes[0]);
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index 7764b9c..8ecc05a 100644
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -202,22 +202,20 @@ static void bcap_free_sensor_formats(struct bcap_device *bcap_dev)
}
static int bcap_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
- if (fmt && fmt->fmt.pix.sizeimage < bcap_dev->fmt.sizeimage)
- return -EINVAL;
-
if (vq->num_buffers + *nbuffers < 2)
*nbuffers = 2;
+ alloc_ctxs[0] = bcap_dev->alloc_ctx;
+
+ if (*nplanes)
+ return sizes[0] < bcap_dev->fmt.sizeimage ? -EINVAL : 0;
*nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : bcap_dev->fmt.sizeimage;
- alloc_ctxs[0] = bcap_dev->alloc_ctx;
+ sizes[0] = bcap_dev->fmt.sizeimage;
return 0;
}
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 15516a6..196333c 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1131,7 +1131,7 @@ static void set_default_params(struct coda_ctx *ctx)
/*
* Queue operations
*/
-static int coda_queue_setup(struct vb2_queue *vq, const void *parg,
+static int coda_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index 6d91422..3fc2176 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -228,28 +228,27 @@ static int vpbe_buffer_prepare(struct vb2_buffer *vb)
* This function allocates memory for the buffers
*/
static int
-vpbe_buffer_queue_setup(struct vb2_queue *vq, const void *parg,
+vpbe_buffer_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
/* Get the file handle object and layer object */
struct vpbe_layer *layer = vb2_get_drv_priv(vq);
struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n");
- if (fmt && fmt->fmt.pix.sizeimage < layer->pix_fmt.sizeimage)
- return -EINVAL;
-
/* Store number of buffers allocated in numbuffer member */
if (vq->num_buffers + *nbuffers < VPBE_DEFAULT_NUM_BUFS)
*nbuffers = VPBE_DEFAULT_NUM_BUFS - vq->num_buffers;
+ alloc_ctxs[0] = layer->alloc_ctx;
+
+ if (*nplanes)
+ return sizes[0] < layer->pix_fmt.sizeimage ? -EINVAL : 0;
*nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : layer->pix_fmt.sizeimage;
- alloc_ctxs[0] = layer->alloc_ctx;
+ sizes[0] = layer->pix_fmt.sizeimage;
return 0;
}
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index c1e573b..fad5b38 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -104,7 +104,6 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb)
/**
* vpif_buffer_queue_setup : Callback function for buffer setup.
* @vq: vb2_queue ptr
- * @fmt: v4l2 format
* @nbuffers: ptr to number of buffers requested by application
* @nplanes:: contains number of distinct video planes needed to hold a frame
* @sizes[]: contains the size (in bytes) of each plane.
@@ -114,26 +113,26 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb)
* the buffer count and buffer size
*/
static int vpif_buffer_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct channel_obj *ch = vb2_get_drv_priv(vq);
- struct common_obj *common;
-
- common = &ch->common[VPIF_VIDEO_INDEX];
+ struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
+ unsigned size = common->fmt.fmt.pix.sizeimage;
vpif_dbg(2, debug, "vpif_buffer_setup\n");
- if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage)
- return -EINVAL;
+ if (*nplanes) {
+ if (sizes[0] < size)
+ return -EINVAL;
+ size = sizes[0];
+ }
if (vq->num_buffers + *nbuffers < 3)
*nbuffers = 3 - vq->num_buffers;
*nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage;
+ sizes[0] = size;
alloc_ctxs[0] = common->alloc_ctx;
/* Calculate the offset for Y and C data in the buffer */
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index fd27803..534b50a 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -99,7 +99,6 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb)
/**
* vpif_buffer_queue_setup : Callback function for buffer setup.
* @vq: vb2_queue ptr
- * @fmt: v4l2 format
* @nbuffers: ptr to number of buffers requested by application
* @nplanes:: contains number of distinct video planes needed to hold a frame
* @sizes[]: contains the size (in bytes) of each plane.
@@ -109,22 +108,24 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb)
* the buffer count and buffer size
*/
static int vpif_buffer_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct channel_obj *ch = vb2_get_drv_priv(vq);
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
+ unsigned size = common->fmt.fmt.pix.sizeimage;
- if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage)
- return -EINVAL;
+ if (*nplanes) {
+ if (sizes[0] < size)
+ return -EINVAL;
+ size = sizes[0];
+ }
if (vq->num_buffers + *nbuffers < 3)
*nbuffers = 3 - vq->num_buffers;
*nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage;
+ sizes[0] = size;
alloc_ctxs[0] = common->alloc_ctx;
/* Calculate the offset for Y and C data in the buffer */
diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c
index d82e717..ea9230e 100644
--- a/drivers/media/platform/exynos-gsc/gsc-m2m.c
+++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c
@@ -212,7 +212,6 @@ put_device:
}
static int gsc_m2m_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *allocators[])
{
diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c
index 99e5732..beadccb 100644
--- a/drivers/media/platform/exynos4-is/fimc-capture.c
+++ b/drivers/media/platform/exynos4-is/fimc-capture.c
@@ -338,37 +338,36 @@ int fimc_capture_resume(struct fimc_dev *fimc)
}
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *allocators[])
{
- const struct v4l2_format *pfmt = parg;
- const struct v4l2_pix_format_mplane *pixm = NULL;
struct fimc_ctx *ctx = vq->drv_priv;
struct fimc_frame *frame = &ctx->d_frame;
struct fimc_fmt *fmt = frame->fmt;
- unsigned long wh;
+ unsigned long wh = frame->f_width * frame->f_height;
int i;
- if (pfmt) {
- pixm = &pfmt->fmt.pix_mp;
- fmt = fimc_find_format(&pixm->pixelformat, NULL,
- FMT_FLAGS_CAM | FMT_FLAGS_M2M, -1);
- wh = pixm->width * pixm->height;
- } else {
- wh = frame->f_width * frame->f_height;
- }
-
if (fmt == NULL)
return -EINVAL;
+ if (*num_planes) {
+ if (*num_planes != fmt->memplanes)
+ return -EINVAL;
+ for (i = 0; i < *num_planes; i++) {
+ if (sizes[i] < (wh * fmt->depth[i]) / 8)
+ return -EINVAL;
+ allocators[i] = ctx->fimc_dev->alloc_ctx;
+ }
+ return 0;
+ }
+
*num_planes = fmt->memplanes;
for (i = 0; i < fmt->memplanes; i++) {
unsigned int size = (wh * fmt->depth[i]) / 8;
- if (pixm)
- sizes[i] = max(size, pixm->plane_fmt[i].sizeimage);
- else if (fimc_fmt_is_user_defined(fmt->color))
+
+ if (fimc_fmt_is_user_defined(fmt->color))
sizes[i] = frame->payload[i];
else
sizes[i] = max_t(u32, size, frame->payload[i]);
diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c
index f88a369..273e7a5 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp-video.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c
@@ -39,39 +39,36 @@
#include "fimc-is-param.h"
static int isp_video_capture_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *allocators[])
{
- const struct v4l2_format *pfmt = parg;
struct fimc_isp *isp = vb2_get_drv_priv(vq);
struct v4l2_pix_format_mplane *vid_fmt = &isp->video_capture.pixfmt;
- const struct v4l2_pix_format_mplane *pixm = NULL;
- const struct fimc_fmt *fmt;
+ const struct fimc_fmt *fmt = isp->video_capture.format;
unsigned int wh, i;
- if (pfmt) {
- pixm = &pfmt->fmt.pix_mp;
- fmt = fimc_isp_find_format(&pixm->pixelformat, NULL, -1);
- wh = pixm->width * pixm->height;
- } else {
- fmt = isp->video_capture.format;
- wh = vid_fmt->width * vid_fmt->height;
- }
+ wh = vid_fmt->width * vid_fmt->height;
if (fmt == NULL)
return -EINVAL;
*num_buffers = clamp_t(u32, *num_buffers, FIMC_ISP_REQ_BUFS_MIN,
FIMC_ISP_REQ_BUFS_MAX);
+ if (*num_planes) {
+ if (*num_planes != fmt->memplanes)
+ return -EINVAL;
+ for (i = 0; i < *num_planes; i++) {
+ if (sizes[i] < (wh * fmt->depth[i]) / 8)
+ return -EINVAL;
+ allocators[i] = isp->alloc_ctx;
+ }
+ return 0;
+ }
+
*num_planes = fmt->memplanes;
for (i = 0; i < fmt->memplanes; i++) {
- unsigned int size = (wh * fmt->depth[i]) / 8;
- if (pixm)
- sizes[i] = max(size, pixm->plane_fmt[i].sizeimage);
- else
- sizes[i] = size;
+ sizes[i] = (wh * fmt->depth[i]) / 8;
allocators[i] = isp->alloc_ctx;
}
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c
index 6f76afd..15d6fc9 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite.c
@@ -355,37 +355,34 @@ static void stop_streaming(struct vb2_queue *q)
fimc_lite_stop_capture(fimc, false);
}
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *allocators[])
{
- const struct v4l2_format *pfmt = parg;
- const struct v4l2_pix_format_mplane *pixm = NULL;
struct fimc_lite *fimc = vq->drv_priv;
struct flite_frame *frame = &fimc->out_frame;
const struct fimc_fmt *fmt = frame->fmt;
- unsigned long wh;
+ unsigned long wh = frame->f_width * frame->f_height;
int i;
- if (pfmt) {
- pixm = &pfmt->fmt.pix_mp;
- fmt = fimc_lite_find_format(&pixm->pixelformat, NULL, 0, -1);
- wh = pixm->width * pixm->height;
- } else {
- wh = frame->f_width * frame->f_height;
- }
-
if (fmt == NULL)
return -EINVAL;
+ if (*num_planes) {
+ if (*num_planes != fmt->memplanes)
+ return -EINVAL;
+ for (i = 0; i < *num_planes; i++) {
+ if (sizes[i] < (wh * fmt->depth[i]) / 8)
+ return -EINVAL;
+ allocators[i] = fimc->alloc_ctx;
+ }
+ return 0;
+ }
+
*num_planes = fmt->memplanes;
for (i = 0; i < fmt->memplanes; i++) {
- unsigned int size = (wh * fmt->depth[i]) / 8;
- if (pixm)
- sizes[i] = max(size, pixm->plane_fmt[i].sizeimage);
- else
- sizes[i] = size;
+ sizes[i] = (wh * fmt->depth[i]) / 8;
allocators[i] = fimc->alloc_ctx;
}
diff --git a/drivers/media/platform/exynos4-is/fimc-m2m.c b/drivers/media/platform/exynos4-is/fimc-m2m.c
index 4d1d64a4..4c04b59 100644
--- a/drivers/media/platform/exynos4-is/fimc-m2m.c
+++ b/drivers/media/platform/exynos4-is/fimc-m2m.c
@@ -176,7 +176,7 @@ static void fimc_job_abort(void *priv)
fimc_m2m_shutdown(priv);
}
-static int fimc_queue_setup(struct vb2_queue *vq, const void *parg,
+static int fimc_queue_setup(struct vb2_queue *vq,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *allocators[])
{
diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c
index 29973f9..652eebd 100644
--- a/drivers/media/platform/m2m-deinterlace.c
+++ b/drivers/media/platform/m2m-deinterlace.c
@@ -798,7 +798,6 @@ struct vb2_dc_conf {
};
static int deinterlace_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c
index 4f2ec88..7080a88 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.c
+++ b/drivers/media/platform/marvell-ccic/mcam-core.c
@@ -1049,24 +1049,25 @@ static int mcam_read_setup(struct mcam_camera *cam)
*/
static int mcam_vb_queue_setup(struct vb2_queue *vq,
- const void *parg, unsigned int *nbufs,
+ unsigned int *nbufs,
unsigned int *num_planes, unsigned int sizes[],
void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct mcam_camera *cam = vb2_get_drv_priv(vq);
int minbufs = (cam->buffer_mode == B_DMA_contig) ? 3 : 2;
+ unsigned size = cam->pix_format.sizeimage;
- if (fmt && fmt->fmt.pix.sizeimage < cam->pix_format.sizeimage)
- return -EINVAL;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : cam->pix_format.sizeimage;
- *num_planes = 1; /* Someday we have to support planar formats... */
if (*nbufs < minbufs)
*nbufs = minbufs;
if (cam->buffer_mode == B_DMA_contig)
alloc_ctxs[0] = cam->vb_alloc_ctx;
else if (cam->buffer_mode == B_DMA_sg)
alloc_ctxs[0] = cam->vb_alloc_ctx_sg;
+
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
+ sizes[0] = size;
+ *num_planes = 1; /* Someday we have to support planar formats... */
return 0;
}
diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
index 03a1b60..cb7d4b5 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -689,7 +689,6 @@ static const struct v4l2_ioctl_ops emmaprp_ioctl_ops = {
* Queue operations
*/
static int emmaprp_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index f4f5916..9cc4878 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -320,7 +320,6 @@ isp_video_check_format(struct isp_video *video, struct isp_video_fh *vfh)
*/
static int isp_video_queue_setup(struct vb2_queue *queue,
- const void *parg,
unsigned int *count, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c
index f8e3e83..23dadae 100644
--- a/drivers/media/platform/rcar_jpu.c
+++ b/drivers/media/platform/rcar_jpu.c
@@ -1015,28 +1015,33 @@ error_free:
* ============================================================================
*/
static int jpu_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct jpu_ctx *ctx = vb2_get_drv_priv(vq);
struct jpu_q_data *q_data;
unsigned int i;
q_data = jpu_get_q_data(ctx, vq->type);
- *nplanes = q_data->format.num_planes;
+ if (*nplanes) {
+ if (*nplanes != q_data->format.num_planes)
+ return -EINVAL;
- for (i = 0; i < *nplanes; i++) {
- unsigned int q_size = q_data->format.plane_fmt[i].sizeimage;
- unsigned int f_size = fmt ?
- fmt->fmt.pix_mp.plane_fmt[i].sizeimage : 0;
+ for (i = 0; i < *nplanes; i++) {
+ unsigned int q_size = q_data->format.plane_fmt[i].sizeimage;
- if (fmt && f_size < q_size)
- return -EINVAL;
+ if (sizes[i] < q_size)
+ return -EINVAL;
+ alloc_ctxs[i] = ctx->jpu->alloc_ctx;
+ }
+ return 0;
+ }
- sizes[i] = fmt ? f_size : q_size;
+ *nplanes = q_data->format.num_planes;
+
+ for (i = 0; i < *nplanes; i++) {
+ sizes[i] = q_data->format.plane_fmt[i].sizeimage;
alloc_ctxs[i] = ctx->jpu->alloc_ctx;
}
diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c
index 537b858..68e6512 100644
--- a/drivers/media/platform/s3c-camif/camif-capture.c
+++ b/drivers/media/platform/s3c-camif/camif-capture.c
@@ -435,39 +435,28 @@ static void stop_streaming(struct vb2_queue *vq)
camif_stop_capture(vp);
}
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *allocators[])
{
- const struct v4l2_format *pfmt = parg;
- const struct v4l2_pix_format *pix = NULL;
struct camif_vp *vp = vb2_get_drv_priv(vq);
struct camif_dev *camif = vp->camif;
struct camif_frame *frame = &vp->out_frame;
- const struct camif_fmt *fmt;
+ const struct camif_fmt *fmt = vp->out_fmt;
unsigned int size;
- if (pfmt) {
- pix = &pfmt->fmt.pix;
- fmt = s3c_camif_find_format(vp, &pix->pixelformat, -1);
- if (fmt == NULL)
- return -EINVAL;
- size = (pix->width * pix->height * fmt->depth) / 8;
- } else {
- fmt = vp->out_fmt;
- if (fmt == NULL)
- return -EINVAL;
- size = (frame->f_width * frame->f_height * fmt->depth) / 8;
- }
-
- *num_planes = 1;
+ if (fmt == NULL)
+ return -EINVAL;
- if (pix)
- sizes[0] = max(size, pix->sizeimage);
- else
- sizes[0] = size;
+ size = (frame->f_width * frame->f_height * fmt->depth) / 8;
allocators[0] = camif->alloc_ctx;
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
+
+ *num_planes = 1;
+ sizes[0] = size;
+
pr_debug("size: %u\n", sizes[0]);
return 0;
}
diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
index e1936d9..12b4415 100644
--- a/drivers/media/platform/s5p-g2d/g2d.c
+++ b/drivers/media/platform/s5p-g2d/g2d.c
@@ -101,7 +101,7 @@ static struct g2d_frame *get_frame(struct g2d_ctx *ctx,
}
}
-static int g2d_queue_setup(struct vb2_queue *vq, const void *parg,
+static int g2d_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 4a608cb..30440b0 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -2430,7 +2430,6 @@ static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = {
*/
static int s5p_jpeg_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 1c4998c..dabf263 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -888,7 +888,7 @@ static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
};
static int s5p_mfc_queue_setup(struct vb2_queue *vq,
- const void *parg, unsigned int *buf_count,
+ unsigned int *buf_count,
unsigned int *plane_count, unsigned int psize[],
void *allocators[])
{
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 115b7da..9916cde 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -1818,7 +1818,6 @@ static int check_vb_with_fmt(struct s5p_mfc_fmt *fmt, struct vb2_buffer *vb)
}
static int s5p_mfc_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *buf_count, unsigned int *plane_count,
unsigned int psize[], void *allocators[])
{
diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c
index dc1c679..d9e7f03 100644
--- a/drivers/media/platform/s5p-tv/mixer_video.c
+++ b/drivers/media/platform/s5p-tv/mixer_video.c
@@ -881,7 +881,7 @@ static const struct v4l2_file_operations mxr_fops = {
.unlocked_ioctl = video_ioctl2,
};
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[],
void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c
index d6ab33e..82c39f3 100644
--- a/drivers/media/platform/sh_veu.c
+++ b/drivers/media/platform/sh_veu.c
@@ -865,32 +865,14 @@ static const struct v4l2_ioctl_ops sh_veu_ioctl_ops = {
/* ========== Queue operations ========== */
static int sh_veu_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *f = parg;
struct sh_veu_dev *veu = vb2_get_drv_priv(vq);
- struct sh_veu_vfmt *vfmt;
- unsigned int size, count = *nbuffers;
-
- if (f) {
- const struct v4l2_pix_format *pix = &f->fmt.pix;
- const struct sh_veu_format *fmt = sh_veu_find_fmt(f);
- struct v4l2_format ftmp = *f;
-
- if (fmt->fourcc != pix->pixelformat)
- return -EINVAL;
- sh_veu_try_fmt(&ftmp, fmt);
- if (ftmp.fmt.pix.width != pix->width ||
- ftmp.fmt.pix.height != pix->height)
- return -EINVAL;
- size = pix->bytesperline ? pix->bytesperline * pix->height * fmt->depth / fmt->ydepth :
- pix->width * pix->height * fmt->depth / fmt->ydepth;
- } else {
- vfmt = sh_veu_get_vfmt(veu, vq->type);
- size = vfmt->bytesperline * vfmt->frame.height * vfmt->fmt->depth / vfmt->fmt->ydepth;
- }
+ struct sh_veu_vfmt *vfmt = sh_veu_get_vfmt(veu, vq->type);
+ unsigned int count = *nbuffers;
+ unsigned int size = vfmt->bytesperline * vfmt->frame.height *
+ vfmt->fmt->depth / vfmt->fmt->ydepth;
if (count < 2)
*nbuffers = count = 2;
@@ -900,6 +882,11 @@ static int sh_veu_queue_setup(struct vb2_queue *vq,
*nbuffers = count;
}
+ if (*nplanes) {
+ alloc_ctxs[0] = veu->alloc_ctx;
+ return sizes[0] < size ? -EINVAL : 0;
+ }
+
*nplanes = 1;
sizes[0] = size;
alloc_ctxs[0] = veu->alloc_ctx;
diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c
index 544e2b5..fd0524e 100644
--- a/drivers/media/platform/sh_vou.c
+++ b/drivers/media/platform/sh_vou.c
@@ -243,22 +243,21 @@ static void sh_vou_stream_config(struct sh_vou_device *vou_dev)
}
/* Locking: caller holds fop_lock mutex */
-static int sh_vou_queue_setup(struct vb2_queue *vq, const void *parg,
+static int sh_vou_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct sh_vou_device *vou_dev = vb2_get_drv_priv(vq);
struct v4l2_pix_format *pix = &vou_dev->pix;
int bytes_per_line = vou_fmt[vou_dev->pix_idx].bpp * pix->width / 8;
dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__);
- if (fmt && fmt->fmt.pix.sizeimage < pix->height * bytes_per_line)
- return -EINVAL;
- *nplanes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : pix->height * bytes_per_line;
alloc_ctxs[0] = vou_dev->alloc_ctx;
+ if (*nplanes)
+ return sizes[0] < pix->height * bytes_per_line ? -EINVAL : 0;
+ *nplanes = 1;
+ sizes[0] = pix->height * bytes_per_line;
return 0;
}
diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
index f5f815d..b78aa02 100644
--- a/drivers/media/platform/soc_camera/atmel-isi.c
+++ b/drivers/media/platform/soc_camera/atmel-isi.c
@@ -303,7 +303,7 @@ static int atmel_isi_wait_status(struct atmel_isi *isi, int wait_reset)
/* ------------------------------------------------------------------
Videobuf operations
------------------------------------------------------------------*/
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index 55437ec..4738048 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -469,21 +469,15 @@ static void mx2_camera_clock_stop(struct soc_camera_host *ici)
* Videobuf operations
*/
static int mx2_videobuf_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *count, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct soc_camera_device *icd = soc_camera_from_vb2q(vq);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct mx2_camera_dev *pcdev = ici->priv;
dev_dbg(icd->parent, "count=%d, size=%d\n", *count, sizes[0]);
- /* TODO: support for VIDIOC_CREATE_BUFS not ready */
- if (fmt != NULL)
- return -ENOTTY;
-
alloc_ctxs[0] = pcdev->alloc_ctx;
sizes[0] = icd->sizeimage;
diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c
index 3e67b95..81895b7 100644
--- a/drivers/media/platform/soc_camera/mx3_camera.c
+++ b/drivers/media/platform/soc_camera/mx3_camera.c
@@ -185,11 +185,9 @@ static void mx3_cam_dma_done(void *arg)
* Calculate the __buffer__ (not data) size and number of buffers.
*/
static int mx3_videobuf_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *count, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct soc_camera_device *icd = soc_camera_from_vb2q(vq);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct mx3_camera_dev *mx3_cam = ici->priv;
@@ -197,33 +195,6 @@ static int mx3_videobuf_setup(struct vb2_queue *vq,
if (!mx3_cam->idmac_channel[0])
return -EINVAL;
- if (fmt) {
- const struct soc_camera_format_xlate *xlate = soc_camera_xlate_by_fourcc(icd,
- fmt->fmt.pix.pixelformat);
- unsigned int bytes_per_line;
- int ret;
-
- if (!xlate)
- return -EINVAL;
-
- ret = soc_mbus_bytes_per_line(fmt->fmt.pix.width,
- xlate->host_fmt);
- if (ret < 0)
- return ret;
-
- bytes_per_line = max_t(u32, fmt->fmt.pix.bytesperline, ret);
-
- ret = soc_mbus_image_size(xlate->host_fmt, bytes_per_line,
- fmt->fmt.pix.height);
- if (ret < 0)
- return ret;
-
- sizes[0] = max_t(u32, fmt->fmt.pix.sizeimage, ret);
- } else {
- /* Called from VIDIOC_REQBUFS or in compatibility mode */
- sizes[0] = icd->sizeimage;
- }
-
alloc_ctxs[0] = mx3_cam->alloc_ctx;
if (!vq->num_buffers)
@@ -232,9 +203,14 @@ static int mx3_videobuf_setup(struct vb2_queue *vq,
if (!*count)
*count = 2;
+ /* Called from VIDIOC_REQBUFS or in compatibility mode */
+ if (!*num_planes)
+ sizes[0] = icd->sizeimage;
+ else if (sizes[0] < icd->sizeimage)
+ return -EINVAL;
+
/* If *num_planes != 0, we have already verified *count. */
- if (!*num_planes &&
- sizes[0] * *count + mx3_cam->buf_total > MAX_VIDEO_MEM * 1024 * 1024)
+ if (sizes[0] * *count + mx3_cam->buf_total > MAX_VIDEO_MEM * 1024 * 1024)
*count = (MAX_VIDEO_MEM * 1024 * 1024 - mx3_cam->buf_total) /
sizes[0];
diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index 32aa64c..068eaf7 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -527,46 +527,14 @@ struct rcar_vin_cam {
* required
*/
static int rcar_vin_videobuf_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *count,
unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct soc_camera_device *icd = soc_camera_from_vb2q(vq);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct rcar_vin_priv *priv = ici->priv;
- if (fmt) {
- const struct soc_camera_format_xlate *xlate;
- unsigned int bytes_per_line;
- int ret;
-
- if (fmt->fmt.pix.sizeimage < icd->sizeimage)
- return -EINVAL;
-
- xlate = soc_camera_xlate_by_fourcc(icd,
- fmt->fmt.pix.pixelformat);
- if (!xlate)
- return -EINVAL;
- ret = soc_mbus_bytes_per_line(fmt->fmt.pix.width,
- xlate->host_fmt);
- if (ret < 0)
- return ret;
-
- bytes_per_line = max_t(u32, fmt->fmt.pix.bytesperline, ret);
-
- ret = soc_mbus_image_size(xlate->host_fmt, bytes_per_line,
- fmt->fmt.pix.height);
- if (ret < 0)
- return ret;
-
- sizes[0] = max_t(u32, fmt->fmt.pix.sizeimage, ret);
- } else {
- /* Called from VIDIOC_REQBUFS or in compatibility mode */
- sizes[0] = icd->sizeimage;
- }
-
alloc_ctxs[0] = priv->alloc_ctx;
if (!vq->num_buffers)
@@ -576,14 +544,18 @@ static int rcar_vin_videobuf_setup(struct vb2_queue *vq,
*count = 2;
priv->vb_count = *count;
- *num_planes = 1;
-
/* Number of hardware slots */
if (is_continuous_transfer(priv))
priv->nr_hw_slots = MAX_BUFFER_NUM;
else
priv->nr_hw_slots = 1;
+ if (*num_planes)
+ return sizes[0] < icd->sizeimage ? -EINVAL : 0;
+
+ sizes[0] = icd->sizeimage;
+ *num_planes = 1;
+
dev_dbg(icd->parent, "count=%d, size=%u\n", *count, sizes[0]);
return 0;
diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
index ad21307..4e9bc04 100644
--- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
+++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
@@ -210,43 +210,14 @@ static int sh_mobile_ceu_soft_reset(struct sh_mobile_ceu_dev *pcdev)
* for the current frame format if required
*/
static int sh_mobile_ceu_videobuf_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *count, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct soc_camera_device *icd = container_of(vq,
struct soc_camera_device, vb2_vidq);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct sh_mobile_ceu_dev *pcdev = ici->priv;
- if (fmt) {
- const struct soc_camera_format_xlate *xlate = soc_camera_xlate_by_fourcc(icd,
- fmt->fmt.pix.pixelformat);
- unsigned int bytes_per_line;
- int ret;
-
- if (!xlate)
- return -EINVAL;
-
- ret = soc_mbus_bytes_per_line(fmt->fmt.pix.width,
- xlate->host_fmt);
- if (ret < 0)
- return ret;
-
- bytes_per_line = max_t(u32, fmt->fmt.pix.bytesperline, ret);
-
- ret = soc_mbus_image_size(xlate->host_fmt, bytes_per_line,
- fmt->fmt.pix.height);
- if (ret < 0)
- return ret;
-
- sizes[0] = max_t(u32, fmt->fmt.pix.sizeimage, ret);
- } else {
- /* Called from VIDIOC_REQBUFS or in compatibility mode */
- sizes[0] = icd->sizeimage;
- }
-
alloc_ctxs[0] = pcdev->alloc_ctx;
if (!vq->num_buffers)
@@ -255,8 +226,14 @@ static int sh_mobile_ceu_videobuf_setup(struct vb2_queue *vq,
if (!*count)
*count = 2;
+ /* Called from VIDIOC_REQBUFS or in compatibility mode */
+ if (!*num_planes)
+ sizes[0] = icd->sizeimage;
+ else if (sizes[0] < icd->sizeimage)
+ return -EINVAL;
+
/* If *num_planes != 0, we have already verified *count. */
- if (pcdev->video_limit && !*num_planes) {
+ if (pcdev->video_limit) {
size_t size = PAGE_ALIGN(sizes[0]) * *count;
if (size + pcdev->buf_total > pcdev->video_limit)
diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
index a0d267e..81871d6 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
@@ -438,11 +438,9 @@ static void bdisp_ctrls_delete(struct bdisp_ctx *ctx)
}
static int bdisp_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nb_buf, unsigned int *nb_planes,
unsigned int sizes[], void *allocators[])
{
- const struct v4l2_format *fmt = parg;
struct bdisp_ctx *ctx = vb2_get_drv_priv(vq);
struct bdisp_frame *frame = ctx_get_frame(ctx, vq->type);
@@ -455,13 +453,13 @@ static int bdisp_queue_setup(struct vb2_queue *vq,
dev_err(ctx->bdisp_dev->dev, "Invalid format\n");
return -EINVAL;
}
+ allocators[0] = ctx->bdisp_dev->alloc_ctx;
- if (fmt && fmt->fmt.pix.sizeimage < frame->sizeimage)
- return -EINVAL;
+ if (*nb_planes)
+ return sizes[0] < frame->sizeimage ? -EINVAL : 0;
*nb_planes = 1;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : frame->sizeimage;
- allocators[0] = ctx->bdisp_dev->alloc_ctx;
+ sizes[0] = frame->sizeimage;
return 0;
}
diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
index de24eff..e8ed265 100644
--- a/drivers/media/platform/ti-vpe/vpe.c
+++ b/drivers/media/platform/ti-vpe/vpe.c
@@ -1796,7 +1796,6 @@ static const struct v4l2_ioctl_ops vpe_ioctl_ops = {
* Queue operations
*/
static int vpe_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index e18fb9f..93e1d25 100644
--- a/drivers/media/platform/vim2m.c
+++ b/drivers/media/platform/vim2m.c
@@ -710,11 +710,9 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops = {
*/
static int vim2m_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct vim2m_ctx *ctx = vb2_get_drv_priv(vq);
struct vim2m_q_data *q_data;
unsigned int size, count = *nbuffers;
@@ -723,17 +721,14 @@ static int vim2m_queue_setup(struct vb2_queue *vq,
size = q_data->width * q_data->height * q_data->fmt->depth >> 3;
- if (fmt) {
- if (fmt->fmt.pix.sizeimage < size)
- return -EINVAL;
- size = fmt->fmt.pix.sizeimage;
- }
-
while (size * count > MEM2MEM_VID_MEM_LIMIT)
(count)--;
+ *nbuffers = count;
+
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
- *nbuffers = count;
sizes[0] = size;
/*
diff --git a/drivers/media/platform/vivid/vivid-sdr-cap.c b/drivers/media/platform/vivid/vivid-sdr-cap.c
index 082c401..6eeeff9 100644
--- a/drivers/media/platform/vivid/vivid-sdr-cap.c
+++ b/drivers/media/platform/vivid/vivid-sdr-cap.c
@@ -213,7 +213,7 @@ static int vivid_thread_sdr_cap(void *data)
return 0;
}
-static int sdr_cap_queue_setup(struct vb2_queue *vq, const void *parg,
+static int sdr_cap_queue_setup(struct vb2_queue *vq,
unsigned *nbuffers, unsigned *nplanes,
unsigned sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/vivid/vivid-vbi-cap.c b/drivers/media/platform/vivid/vivid-vbi-cap.c
index e903d02..d6d12e1 100644
--- a/drivers/media/platform/vivid/vivid-vbi-cap.c
+++ b/drivers/media/platform/vivid/vivid-vbi-cap.c
@@ -137,7 +137,7 @@ void vivid_sliced_vbi_cap_process(struct vivid_dev *dev,
buf->vb.timestamp.tv_sec += dev->time_wrap_offset;
}
-static int vbi_cap_queue_setup(struct vb2_queue *vq, const void *parg,
+static int vbi_cap_queue_setup(struct vb2_queue *vq,
unsigned *nbuffers, unsigned *nplanes,
unsigned sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/vivid/vivid-vbi-out.c b/drivers/media/platform/vivid/vivid-vbi-out.c
index 75c5709..3c5a469 100644
--- a/drivers/media/platform/vivid/vivid-vbi-out.c
+++ b/drivers/media/platform/vivid/vivid-vbi-out.c
@@ -27,7 +27,7 @@
#include "vivid-vbi-out.h"
#include "vivid-vbi-cap.h"
-static int vbi_out_queue_setup(struct vb2_queue *vq, const void *parg,
+static int vbi_out_queue_setup(struct vb2_queue *vq,
unsigned *nbuffers, unsigned *nplanes,
unsigned sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c
index 45a2ed8..4ac4152 100644
--- a/drivers/media/platform/vivid/vivid-vid-cap.c
+++ b/drivers/media/platform/vivid/vivid-vid-cap.c
@@ -95,11 +95,10 @@ static const struct v4l2_discrete_probe webcam_probe = {
VIVID_WEBCAM_SIZES
};
-static int vid_cap_queue_setup(struct vb2_queue *vq, const void *parg,
+static int vid_cap_queue_setup(struct vb2_queue *vq,
unsigned *nbuffers, unsigned *nplanes,
unsigned sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct vivid_dev *dev = vb2_get_drv_priv(vq);
unsigned buffers = tpg_g_buffers(&dev->tpg);
unsigned h = dev->fmt_cap_rect.height;
@@ -122,27 +121,16 @@ static int vid_cap_queue_setup(struct vb2_queue *vq, const void *parg,
dev->queue_setup_error = false;
return -EINVAL;
}
- if (fmt) {
- const struct v4l2_pix_format_mplane *mp;
- struct v4l2_format mp_fmt;
- const struct vivid_fmt *vfmt;
-
- if (!V4L2_TYPE_IS_MULTIPLANAR(fmt->type)) {
- fmt_sp2mp(fmt, &mp_fmt);
- fmt = &mp_fmt;
- }
- mp = &fmt->fmt.pix_mp;
+ if (*nplanes) {
/*
- * Check if the number of planes in the specified format match
+ * Check if the number of requested planes match
* the number of buffers in the current format. You can't mix that.
*/
- if (mp->num_planes != buffers)
+ if (*nplanes != buffers)
return -EINVAL;
- vfmt = vivid_get_format(dev, mp->pixelformat);
for (p = 0; p < buffers; p++) {
- sizes[p] = mp->plane_fmt[p].sizeimage;
if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h +
- vfmt->data_offset[p])
+ dev->fmt_cap->data_offset[p])
return -EINVAL;
}
} else {
diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c
index db645ab..84faa980 100644
--- a/drivers/media/platform/vivid/vivid-vid-out.c
+++ b/drivers/media/platform/vivid/vivid-vid-out.c
@@ -31,11 +31,10 @@
#include "vivid-kthread-out.h"
#include "vivid-vid-out.h"
-static int vid_out_queue_setup(struct vb2_queue *vq, const void *parg,
+static int vid_out_queue_setup(struct vb2_queue *vq,
unsigned *nbuffers, unsigned *nplanes,
unsigned sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct vivid_dev *dev = vb2_get_drv_priv(vq);
const struct vivid_fmt *vfmt = dev->fmt_out;
unsigned planes = vfmt->buffers;
@@ -64,26 +63,16 @@ static int vid_out_queue_setup(struct vb2_queue *vq, const void *parg,
return -EINVAL;
}
- if (fmt) {
- const struct v4l2_pix_format_mplane *mp;
- struct v4l2_format mp_fmt;
-
- if (!V4L2_TYPE_IS_MULTIPLANAR(fmt->type)) {
- fmt_sp2mp(fmt, &mp_fmt);
- fmt = &mp_fmt;
- }
- mp = &fmt->fmt.pix_mp;
+ if (*nplanes) {
/*
- * Check if the number of planes in the specified format match
+ * Check if the number of requested planes match
* the number of planes in the current format. You can't mix that.
*/
- if (mp->num_planes != planes)
+ if (*nplanes != planes)
return -EINVAL;
- sizes[0] = mp->plane_fmt[0].sizeimage;
if (sizes[0] < size)
return -EINVAL;
for (p = 1; p < planes; p++) {
- sizes[p] = mp->plane_fmt[p].sizeimage;
if (sizes[p] < dev->bytesperline_out[p] * h)
return -EINVAL;
}
diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index 5ce88e1..1eebf58 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -274,35 +274,6 @@ static int __vsp1_video_try_format(struct vsp1_video *video,
return 0;
}
-static bool
-vsp1_video_format_adjust(struct vsp1_video *video,
- const struct v4l2_pix_format_mplane *format,
- struct v4l2_pix_format_mplane *adjust)
-{
- unsigned int i;
-
- *adjust = *format;
- __vsp1_video_try_format(video, adjust, NULL);
-
- if (format->width != adjust->width ||
- format->height != adjust->height ||
- format->pixelformat != adjust->pixelformat ||
- format->num_planes != adjust->num_planes)
- return false;
-
- for (i = 0; i < format->num_planes; ++i) {
- if (format->plane_fmt[i].bytesperline !=
- adjust->plane_fmt[i].bytesperline)
- return false;
-
- adjust->plane_fmt[i].sizeimage =
- max(adjust->plane_fmt[i].sizeimage,
- format->plane_fmt[i].sizeimage);
- }
-
- return true;
-}
-
/* -----------------------------------------------------------------------------
* Pipeline Management
*/
@@ -787,26 +758,24 @@ void vsp1_pipelines_resume(struct vsp1_device *vsp1)
*/
static int
-vsp1_video_queue_setup(struct vb2_queue *vq, const void *parg,
+vsp1_video_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct vsp1_video *video = vb2_get_drv_priv(vq);
- const struct v4l2_pix_format_mplane *format;
- struct v4l2_pix_format_mplane pix_mp;
+ const struct v4l2_pix_format_mplane *format = &video->format;
unsigned int i;
- if (fmt) {
- /* Make sure the format is valid and adjust the sizeimage field
- * if needed.
- */
- if (!vsp1_video_format_adjust(video, &fmt->fmt.pix_mp, &pix_mp))
+ if (*nplanes) {
+ if (*nplanes != format->num_planes)
return -EINVAL;
- format = &pix_mp;
- } else {
- format = &video->format;
+ for (i = 0; i < *nplanes; i++) {
+ if (sizes[i] < format->plane_fmt[i].sizeimage)
+ return -EINVAL;
+ alloc_ctxs[i] = video->alloc_ctx;
+ }
+ return 0;
}
*nplanes = format->num_planes;
diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
index d11cc70..8532cab 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -309,21 +309,19 @@ static void xvip_dma_complete(void *param)
}
static int
-xvip_dma_queue_setup(struct vb2_queue *vq, const void *parg,
+xvip_dma_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct xvip_dma *dma = vb2_get_drv_priv(vq);
+ alloc_ctxs[0] = dma->alloc_ctx;
/* Make sure the image size is large enough. */
- if (fmt && fmt->fmt.pix.sizeimage < dma->format.sizeimage)
- return -EINVAL;
+ if (*nplanes)
+ return sizes[0] < dma->format.sizeimage ? -EINVAL : 0;
*nplanes = 1;
-
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : dma->format.sizeimage;
- alloc_ctxs[0] = dma->alloc_ctx;
+ sizes[0] = dma->format.sizeimage;
return 0;
}
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index fcbb497..518d511 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -488,7 +488,7 @@ static void airspy_disconnect(struct usb_interface *intf)
/* Videobuf2 operations */
static int airspy_queue_setup(struct vb2_queue *vq,
- const void *parg, unsigned int *nbuffers,
+ unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
{
struct airspy *s = vb2_get_drv_priv(vq);
diff --git a/drivers/media/usb/au0828/au0828-vbi.c b/drivers/media/usb/au0828/au0828-vbi.c
index 130c8b4..b4efc10 100644
--- a/drivers/media/usb/au0828/au0828-vbi.c
+++ b/drivers/media/usb/au0828/au0828-vbi.c
@@ -30,23 +30,17 @@
/* ------------------------------------------------------------------ */
-static int vbi_queue_setup(struct vb2_queue *vq, const void *parg,
+static int vbi_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct au0828_dev *dev = vb2_get_drv_priv(vq);
- unsigned long img_size = dev->vbi_width * dev->vbi_height * 2;
- unsigned long size;
-
- size = fmt ? (fmt->fmt.vbi.samples_per_line *
- (fmt->fmt.vbi.count[0] + fmt->fmt.vbi.count[1])) : img_size;
- if (size < img_size)
- return -EINVAL;
+ unsigned long size = dev->vbi_width * dev->vbi_height * 2;
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
sizes[0] = size;
-
return 0;
}
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 45c622e..427d58e 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -638,19 +638,15 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
return rc;
}
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct au0828_dev *dev = vb2_get_drv_priv(vq);
- unsigned long img_size = dev->height * dev->bytesperline;
- unsigned long size;
-
- size = fmt ? fmt->fmt.pix.sizeimage : img_size;
- if (size < img_size)
- return -EINVAL;
+ unsigned long size = dev->height * dev->bytesperline;
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
sizes[0] = size;
diff --git a/drivers/media/usb/em28xx/em28xx-vbi.c b/drivers/media/usb/em28xx/em28xx-vbi.c
index e23c285..fe94c92 100644
--- a/drivers/media/usb/em28xx/em28xx-vbi.c
+++ b/drivers/media/usb/em28xx/em28xx-vbi.c
@@ -31,26 +31,22 @@
/* ------------------------------------------------------------------ */
-static int vbi_queue_setup(struct vb2_queue *vq, const void *parg,
+static int vbi_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct em28xx *dev = vb2_get_drv_priv(vq);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
- unsigned long size;
+ unsigned long size = v4l2->vbi_width * v4l2->vbi_height * 2;
- if (fmt)
- size = fmt->fmt.pix.sizeimage;
- else
- size = v4l2->vbi_width * v4l2->vbi_height * 2;
-
- if (0 == *nbuffers)
- *nbuffers = 32;
if (*nbuffers < 2)
*nbuffers = 2;
- if (*nbuffers > 32)
- *nbuffers = 32;
+
+ if (*nplanes) {
+ if (sizes[0] < size)
+ return -EINVAL;
+ size = sizes[0];
+ }
*nplanes = 1;
sizes[0] = size;
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index bba2052..235a038 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -871,30 +871,19 @@ static void res_free(struct em28xx *dev, enum v4l2_buf_type f_type)
Videobuf2 operations
------------------------------------------------------------------*/
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct em28xx *dev = vb2_get_drv_priv(vq);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
- unsigned long size;
-
- if (fmt)
- size = fmt->fmt.pix.sizeimage;
- else
- size =
+ unsigned long size =
(v4l2->width * v4l2->height * v4l2->format->depth + 7) >> 3;
- if (size == 0)
- return -EINVAL;
-
- if (0 == *nbuffers)
- *nbuffers = 32;
-
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
sizes[0] = size;
-
return 0;
}
diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c
index ae5038b..358c1c1 100644
--- a/drivers/media/usb/go7007/go7007-v4l2.c
+++ b/drivers/media/usb/go7007/go7007-v4l2.c
@@ -369,7 +369,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
}
static int go7007_queue_setup(struct vb2_queue *q,
- const void *parg,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index e05bfec..d0c416d 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -750,7 +750,7 @@ static void hackrf_return_all_buffers(struct vb2_queue *vq,
}
static int hackrf_queue_setup(struct vb2_queue *vq,
- const void *parg, unsigned int *nbuffers,
+ unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
{
struct hackrf_dev *dev = vb2_get_drv_priv(vq);
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c
index e06a21a..c104315 100644
--- a/drivers/media/usb/msi2500/msi2500.c
+++ b/drivers/media/usb/msi2500/msi2500.c
@@ -616,7 +616,6 @@ static int msi2500_querycap(struct file *file, void *fh,
/* Videobuf2 operations */
static int msi2500_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[],
void *alloc_ctxs[])
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index b79c36f..e90e494 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -571,7 +571,7 @@ static void pwc_video_release(struct v4l2_device *v)
/***************************************************************************/
/* Videobuf2 operations */
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index e7acb12..82bdd42 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -660,7 +660,7 @@ static void s2255_fillbuff(struct s2255_vc *vc,
Videobuf operations
------------------------------------------------------------------*/
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index 9a69bb5..77131fd 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -664,7 +664,7 @@ static const struct v4l2_ioctl_ops stk1160_ioctl_ops = {
/*
* Videobuf2 operations
*/
-static int queue_setup(struct vb2_queue *vq, const void *parg,
+static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c
index e645c9d..05cbd2f 100644
--- a/drivers/media/usb/usbtv/usbtv-video.c
+++ b/drivers/media/usb/usbtv/usbtv-video.c
@@ -599,19 +599,18 @@ static struct v4l2_file_operations usbtv_fops = {
};
static int usbtv_queue_setup(struct vb2_queue *vq,
- const void *parg, unsigned int *nbuffers,
+ unsigned int *nbuffers,
unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct usbtv *usbtv = vb2_get_drv_priv(vq);
unsigned size = USBTV_CHUNK * usbtv->n_chunks * 2 * sizeof(u32);
if (vq->num_buffers + *nbuffers < 2)
*nbuffers = 2 - vq->num_buffers;
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
- if (fmt && fmt->fmt.pix.sizeimage < size)
- return -EINVAL;
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size;
+ sizes[0] = size;
return 0;
}
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index cfb868a..5439472 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -69,23 +69,19 @@ static void uvc_queue_return_buffers(struct uvc_video_queue *queue,
* videobuf2 queue operations
*/
-static int uvc_queue_setup(struct vb2_queue *vq, const void *parg,
+static int uvc_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct uvc_video_queue *queue = vb2_get_drv_priv(vq);
struct uvc_streaming *stream = uvc_queue_to_stream(queue);
+ unsigned size = stream->ctrl.dwMaxVideoFrameSize;
/* Make sure the image size is large enough. */
- if (fmt && fmt->fmt.pix.sizeimage < stream->ctrl.dwMaxVideoFrameSize)
- return -EINVAL;
-
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
-
- sizes[0] = fmt ? fmt->fmt.pix.sizeimage
- : stream->ctrl.dwMaxVideoFrameSize;
-
+ sizes[0] = size;
return 0;
}
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 33bdd81..ebce7c7 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -621,7 +621,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
* Ask the driver how many buffers and planes per buffer it requires.
* Driver also sets the size and allocator context for each plane.
*/
- ret = call_qop(q, queue_setup, q, NULL, &num_buffers, &num_planes,
+ ret = call_qop(q, queue_setup, q, &num_buffers, &num_planes,
q->plane_sizes, q->alloc_ctx);
if (ret)
return ret;
@@ -646,8 +646,15 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
*/
if (!ret && allocated_buffers < num_buffers) {
num_buffers = allocated_buffers;
+ /*
+ * num_planes is set by the previous queue_setup(), but since it
+ * signals to queue_setup() whether it is called from create_bufs()
+ * vs reqbufs() we zero it here to signal that queue_setup() is
+ * called for the reqbufs() case.
+ */
+ num_planes = 0;
- ret = call_qop(q, queue_setup, q, NULL, &num_buffers,
+ ret = call_qop(q, queue_setup, q, &num_buffers,
&num_planes, q->plane_sizes, q->alloc_ctx);
if (!ret && allocated_buffers < num_buffers)
@@ -701,7 +708,8 @@ EXPORT_SYMBOL_GPL(vb2_core_reqbufs);
* from vidioc_create_bufs handler in driver.
*/
int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
- unsigned int *count, const void *parg)
+ unsigned int *count, unsigned requested_planes,
+ const unsigned requested_sizes[])
{
unsigned int num_planes = 0, num_buffers, allocated_buffers;
int ret;
@@ -720,11 +728,16 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
num_buffers = min(*count, VB2_MAX_FRAME - q->num_buffers);
+ if (requested_planes && requested_sizes) {
+ num_planes = requested_planes;
+ memcpy(q->plane_sizes, requested_sizes, sizeof(q->plane_sizes));
+ }
+
/*
* Ask the driver, whether the requested number of buffers, planes per
* buffer and their sizes are acceptable
*/
- ret = call_qop(q, queue_setup, q, parg, &num_buffers,
+ ret = call_qop(q, queue_setup, q, &num_buffers,
&num_planes, q->plane_sizes, q->alloc_ctx);
if (ret)
return ret;
@@ -747,7 +760,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
* q->num_buffers contains the total number of buffers, that the
* queue driver has set up
*/
- ret = call_qop(q, queue_setup, q, parg, &num_buffers,
+ ret = call_qop(q, queue_setup, q, &num_buffers,
&num_planes, q->plane_sizes, q->alloc_ctx);
if (!ret && allocated_buffers < num_buffers)
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 2d1e5b7..1b5c695 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -525,14 +525,52 @@ EXPORT_SYMBOL_GPL(vb2_prepare_buf);
*/
int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create)
{
- int ret = vb2_verify_memory_type(q, create->memory,
- create->format.type);
+ unsigned requested_planes = 1;
+ unsigned requested_sizes[VIDEO_MAX_PLANES];
+ struct v4l2_format *f = &create->format;
+ int ret = vb2_verify_memory_type(q, create->memory, f->type);
+ unsigned i;
create->index = q->num_buffers;
if (create->count == 0)
return ret != -EBUSY ? ret : 0;
+
+ switch (f->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ requested_planes = f->fmt.pix_mp.num_planes;
+ if (requested_planes == 0 ||
+ requested_planes > VIDEO_MAX_PLANES)
+ return -EINVAL;
+ for (i = 0; i < requested_planes; i++)
+ requested_sizes[i] =
+ f->fmt.pix_mp.plane_fmt[i].sizeimage;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ requested_sizes[0] = f->fmt.pix.sizeimage;
+ break;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ case V4L2_BUF_TYPE_VBI_OUTPUT:
+ requested_sizes[0] = f->fmt.vbi.samples_per_line *
+ (f->fmt.vbi.count[0] + f->fmt.vbi.count[1]);
+ break;
+ case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ requested_sizes[0] = f->fmt.sliced.io_size;
+ break;
+ case V4L2_BUF_TYPE_SDR_CAPTURE:
+ case V4L2_BUF_TYPE_SDR_OUTPUT:
+ requested_sizes[0] = f->fmt.sdr.buffersize;
+ break;
+ default:
+ return -EINVAL;
+ }
+ for (i = 0; i < requested_planes; i++)
+ if (requested_sizes[i] == 0)
+ return -EINVAL;
return ret ? ret : vb2_core_create_bufs(q, create->memory,
- &create->count, &create->format);
+ &create->count, requested_planes, requested_sizes);
}
EXPORT_SYMBOL_GPL(vb2_create_bufs);
@@ -1440,8 +1478,8 @@ int vb2_ioctl_create_bufs(struct file *file, void *priv,
return res;
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
- res = vb2_core_create_bufs(vdev->queue, p->memory, &p->count,
- &p->format);
+
+ res = vb2_create_bufs(vdev->queue, p);
if (res == 0)
vdev->queue->owner = file->private_data;
return res;
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 0fdff91..77b4fc6 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -1078,7 +1078,7 @@ vpfe_g_dv_timings(struct file *file, void *fh,
* the buffer nbuffers and buffer size
*/
static int
-vpfe_buffer_queue_setup(struct vb2_queue *vq, const void *parg,
+vpfe_buffer_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index 2a0158b..17741e3 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -287,7 +287,6 @@ iss_video_check_format(struct iss_video *video, struct iss_video_fh *vfh)
*/
static int iss_video_queue_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *count, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 51d4a17..f592198 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -41,7 +41,7 @@
* videobuf2 queue operations
*/
-static int uvc_queue_setup(struct vb2_queue *vq, const void *parg,
+static int uvc_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 647ebfe..b47d1e2 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -268,21 +268,26 @@ struct vb2_buffer {
* struct vb2_ops - driver-specific callbacks
*
* @queue_setup: called from VIDIOC_REQBUFS and VIDIOC_CREATE_BUFS
- * handlers before memory allocation, or, if
- * *num_planes != 0, after the allocation to verify a
- * smaller number of buffers. Driver should return
- * the required number of buffers in *num_buffers, the
- * required number of planes per buffer in *num_planes; the
- * size of each plane should be set in the sizes[] array
- * and optional per-plane allocator specific context in the
- * alloc_ctxs[] array. When called from VIDIOC_REQBUFS,
- * fmt == NULL, the driver has to use the currently
- * configured format and *num_buffers is the total number
- * of buffers, that are being allocated. When called from
- * VIDIOC_CREATE_BUFS, fmt != NULL and it describes the
- * target frame format (if the format isn't valid the
- * callback must return -EINVAL). In this case *num_buffers
- * are being allocated additionally to q->num_buffers.
+ * handlers before memory allocation. It can be called
+ * twice: if the original number of requested buffers
+ * could not be allocated, then it will be called a
+ * second time with the actually allocated number of
+ * buffers to verify if that is OK.
+ * The driver should return the required number of buffers
+ * in *num_buffers, the required number of planes per
+ * buffer in *num_planes, the size of each plane should be
+ * set in the sizes[] array and optional per-plane
+ * allocator specific context in the alloc_ctxs[] array.
+ * When called from VIDIOC_REQBUFS, *num_planes == 0, the
+ * driver has to use the currently configured format to
+ * determine the plane sizes and *num_buffers is the total
+ * number of buffers that are being allocated. When called
+ * from VIDIOC_CREATE_BUFS, *num_planes != 0 and it
+ * describes the requested number of planes and sizes[]
+ * contains the requested plane sizes. If either
+ * *num_planes or the requested sizes are invalid callback
+ * must return -EINVAL. In this case *num_buffers are
+ * being allocated additionally to q->num_buffers.
* @wait_prepare: release any locks taken while calling vb2 functions;
* it is called before an ioctl needs to wait for a new
* buffer to arrive; required to avoid a deadlock in
@@ -344,7 +349,7 @@ struct vb2_buffer {
* pre-queued buffers before calling STREAMON.
*/
struct vb2_ops {
- int (*queue_setup)(struct vb2_queue *q, const void *parg,
+ int (*queue_setup)(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[]);
@@ -507,7 +512,8 @@ int vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb);
int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
unsigned int *count);
int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
- unsigned int *count, const void *parg);
+ unsigned int *count, unsigned requested_planes,
+ const unsigned int requested_sizes[]);
int vb2_core_prepare_buf(struct vb2_queue *q, unsigned int index, void *pb);
int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb);
int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking);
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 02/15] DocBook media: update VIDIOC_CREATE_BUFS documentation
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 01/15] vb2: drop v4l2_format argument from queue_setup Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 03/15] solo6x10: use v4l2_get_timestamp to fill in buffer timestamp Hans Verkuil
` (12 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
During the Seoul media workshop we decided to relax the VIDIOC_CREATE_BUFS
specification so it would no longer require drivers to validate the format
field since almost no driver did that anyway.
Instead drivers use the buffer size(s) based on the format type and the
corresponding format fields and will ignore any other fields. If the size
cannot be used an error is returned, otherwise the size is used as-is.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
.../DocBook/media/v4l/vidioc-create-bufs.xml | 30 ++++++++++------------
1 file changed, 14 insertions(+), 16 deletions(-)
diff --git a/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml b/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
index 8ffe74f..d81fa0d 100644
--- a/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
@@ -58,7 +58,7 @@
<para>This ioctl is used to create buffers for <link linkend="mmap">memory
mapped</link> or <link linkend="userp">user pointer</link> or <link
linkend="dmabuf">DMA buffer</link> I/O. It can be used as an alternative or in
-addition to the <constant>VIDIOC_REQBUFS</constant> ioctl, when a tighter
+addition to the &VIDIOC-REQBUFS; ioctl, when a tighter
control over buffers is required. This ioctl can be called multiple times to
create buffers of different sizes.</para>
@@ -71,30 +71,28 @@ zeroed.</para>
<para>The <structfield>format</structfield> field specifies the image format
that the buffers must be able to handle. The application has to fill in this
-&v4l2-format;. Usually this will be done using the
-<constant>VIDIOC_TRY_FMT</constant> or <constant>VIDIOC_G_FMT</constant> ioctl()
-to ensure that the requested format is supported by the driver. Unsupported
-formats will result in an error.</para>
+&v4l2-format;. Usually this will be done using the &VIDIOC-TRY-FMT; or &VIDIOC-G-FMT; ioctls
+to ensure that the requested format is supported by the driver.
+Based on the format's <structfield>type</structfield> field the requested buffer
+size (for single-planar) or plane sizes (for multi-planar formats) will be
+used for the allocated buffers. The driver may return an error if the size(s)
+are not supported by the hardware (usually because they are too small).</para>
<para>The buffers created by this ioctl will have as minimum size the size
-defined by the <structfield>format.pix.sizeimage</structfield> field. If the
+defined by the <structfield>format.pix.sizeimage</structfield> field (or the
+corresponding fields for other format types). Usually if the
<structfield>format.pix.sizeimage</structfield> field is less than the minimum
-required for the given format, then <structfield>sizeimage</structfield> will be
-increased by the driver to that minimum to allocate the buffers. If it is
-larger, then the value will be used as-is. The same applies to the
-<structfield>sizeimage</structfield> field of the
-<structname>v4l2_plane_pix_format</structname> structure in the case of
-multiplanar formats.</para>
+required for the given format, then an error will be returned since drivers will
+typically not allow this. If it is larger, then the value will be used as-is.
+In other words, the driver may reject the requested size, but if it is accepted
+the driver will use it unchanged.</para>
<para>When the ioctl is called with a pointer to this structure the driver
will attempt to allocate up to the requested number of buffers and store the
actual number allocated and the starting index in the
<structfield>count</structfield> and the <structfield>index</structfield> fields
respectively. On return <structfield>count</structfield> can be smaller than
-the number requested. The driver may also increase buffer sizes if required,
-however, it will not update <structfield>sizeimage</structfield> field values.
-The user has to use <constant>VIDIOC_QUERYBUF</constant> to retrieve that
-information.</para>
+the number requested.</para>
<table pgwide="1" frame="none" id="v4l2-create-buffers">
<title>struct <structname>v4l2_create_buffers</structname></title>
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 03/15] solo6x10: use v4l2_get_timestamp to fill in buffer timestamp
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 01/15] vb2: drop v4l2_format argument from queue_setup Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 02/15] DocBook media: update VIDIOC_CREATE_BUFS documentation Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 04/15] media: videobuf2: Move timestamp to vb2_buffer Hans Verkuil
` (11 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
The timestamp of a v4l2_buffer was advertised as being CLOCK_MONOTONIC,
but instead a timestamp from a header field was used. This is inconsistent
and not what applications expect. Use v4l2_get_timestamp to properly
set the timestamp.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
index 1f81f8d..5b7853b 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
@@ -531,8 +531,7 @@ static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
if (!ret) {
vbuf->sequence = solo_enc->sequence++;
- vbuf->timestamp.tv_sec = vop_sec(vh);
- vbuf->timestamp.tv_usec = vop_usec(vh);
+ v4l2_get_timestamp(&vbuf->timestamp);
/* Check for motion flags */
if (solo_is_motion_on(solo_enc) && enc_buf->motion) {
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 04/15] media: videobuf2: Move timestamp to vb2_buffer
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (2 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 03/15] solo6x10: use v4l2_get_timestamp to fill in buffer timestamp Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 05/15] media: videobuf2: Add copy_timestamp to struct vb2_queue Hans Verkuil
` (10 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media
Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Geunyoung Kim, Hans Verkuil
From: Junghak Sung <jh1009.sung@samsung.com>
Move timestamp from struct vb2_v4l2_buffer to struct vb2_buffer
for common use, and change its type to u64 in order to handling
y2038 problem. This patch also includes all device drivers' changes related to
this restructuring.
Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
---
drivers/input/touchscreen/sur40.c | 2 +-
drivers/media/dvb-frontends/rtl2832_sdr.c | 2 +-
drivers/media/pci/cobalt/cobalt-irq.c | 2 +-
drivers/media/pci/cx23885/cx23885-core.c | 2 +-
drivers/media/pci/cx23885/cx23885-video.c | 2 +-
drivers/media/pci/cx25821/cx25821-video.c | 2 +-
drivers/media/pci/cx88/cx88-core.c | 2 +-
drivers/media/pci/dt3155/dt3155.c | 2 +-
drivers/media/pci/netup_unidvb/netup_unidvb_core.c | 2 +-
drivers/media/pci/saa7134/saa7134-core.c | 2 +-
drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c | 2 +-
drivers/media/pci/solo6x10/solo6x10-v4l2.c | 2 +-
drivers/media/pci/sta2x11/sta2x11_vip.c | 2 +-
drivers/media/pci/tw68/tw68-video.c | 2 +-
drivers/media/platform/am437x/am437x-vpfe.c | 2 +-
drivers/media/platform/blackfin/bfin_capture.c | 2 +-
drivers/media/platform/coda/coda-bit.c | 6 +++---
drivers/media/platform/coda/coda.h | 2 +-
drivers/media/platform/davinci/vpbe_display.c | 2 +-
drivers/media/platform/davinci/vpif_capture.c | 2 +-
drivers/media/platform/davinci/vpif_display.c | 6 +++---
drivers/media/platform/exynos-gsc/gsc-m2m.c | 4 ++--
drivers/media/platform/exynos4-is/fimc-capture.c | 2 +-
drivers/media/platform/exynos4-is/fimc-isp-video.c | 2 +-
drivers/media/platform/exynos4-is/fimc-lite.c | 2 +-
drivers/media/platform/exynos4-is/fimc-m2m.c | 2 +-
drivers/media/platform/m2m-deinterlace.c | 2 +-
drivers/media/platform/marvell-ccic/mcam-core.c | 2 +-
drivers/media/platform/mx2_emmaprp.c | 2 +-
drivers/media/platform/omap3isp/ispvideo.c | 2 +-
drivers/media/platform/rcar_jpu.c | 2 +-
drivers/media/platform/s3c-camif/camif-capture.c | 2 +-
drivers/media/platform/s5p-g2d/g2d.c | 2 +-
drivers/media/platform/s5p-jpeg/jpeg-core.c | 4 ++--
drivers/media/platform/s5p-mfc/s5p_mfc.c | 4 ++--
drivers/media/platform/sh_veu.c | 2 +-
drivers/media/platform/sh_vou.c | 2 +-
drivers/media/platform/soc_camera/atmel-isi.c | 2 +-
drivers/media/platform/soc_camera/mx2_camera.c | 2 +-
drivers/media/platform/soc_camera/mx3_camera.c | 2 +-
drivers/media/platform/soc_camera/rcar_vin.c | 2 +-
drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c | 2 +-
drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 4 ++--
drivers/media/platform/ti-vpe/vpe.c | 2 +-
drivers/media/platform/vim2m.c | 2 +-
drivers/media/platform/vivid/vivid-core.h | 2 +-
drivers/media/platform/vivid/vivid-ctrls.c | 14 +++++++++++---
drivers/media/platform/vivid/vivid-kthread-cap.c | 6 +++---
drivers/media/platform/vivid/vivid-kthread-out.c | 8 ++++----
drivers/media/platform/vivid/vivid-sdr-cap.c | 4 ++--
drivers/media/platform/vivid/vivid-vbi-cap.c | 6 ++----
drivers/media/platform/vsp1/vsp1_video.c | 2 +-
drivers/media/platform/xilinx/xilinx-dma.c | 2 +-
drivers/media/usb/airspy/airspy.c | 2 +-
drivers/media/usb/au0828/au0828-video.c | 2 +-
drivers/media/usb/em28xx/em28xx-video.c | 2 +-
drivers/media/usb/go7007/go7007-driver.c | 2 +-
drivers/media/usb/hackrf/hackrf.c | 4 ++--
drivers/media/usb/pwc/pwc-if.c | 3 +--
drivers/media/usb/s2255/s2255drv.c | 2 +-
drivers/media/usb/stk1160/stk1160-video.c | 2 +-
drivers/media/usb/usbtv/usbtv-video.c | 2 +-
drivers/media/usb/uvc/uvc_video.c | 15 +++++----------
drivers/media/v4l2-core/videobuf2-v4l2.c | 7 +++----
drivers/staging/media/davinci_vpfe/vpfe_video.c | 2 +-
drivers/staging/media/omap4iss/iss_video.c | 2 +-
drivers/usb/gadget/function/uvc_queue.c | 2 +-
include/media/videobuf2-core.h | 2 ++
include/media/videobuf2-v4l2.h | 2 --
include/trace/events/v4l2.h | 4 ++--
include/trace/events/vb2.h | 7 +++++--
71 files changed, 108 insertions(+), 106 deletions(-)
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index 3f3e2b1..b6c4d03 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -444,7 +444,7 @@ static void sur40_process_video(struct sur40_state *sur40)
goto err_poll;
/* mark as finished */
- v4l2_get_timestamp(&new_buf->vb.timestamp);
+ new_buf->vb.vb2_buf.timestamp = ktime_get_ns();
new_buf->vb.sequence = sur40->sequence++;
new_buf->vb.field = V4L2_FIELD_NONE;
vb2_buffer_done(&new_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 238191d..b860f02 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -310,7 +310,7 @@ static void rtl2832_sdr_urb_complete(struct urb *urb)
len = rtl2832_sdr_convert_stream(dev, ptr, urb->transfer_buffer,
urb->actual_length);
vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0, len);
- v4l2_get_timestamp(&fbuf->vb.timestamp);
+ fbuf->vb.vb2_buf.timestamp = ktime_get_ns();
fbuf->vb.sequence = dev->sequence++;
vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/pci/cobalt/cobalt-irq.c b/drivers/media/pci/cobalt/cobalt-irq.c
index c30748e..b190d4f 100644
--- a/drivers/media/pci/cobalt/cobalt-irq.c
+++ b/drivers/media/pci/cobalt/cobalt-irq.c
@@ -134,7 +134,7 @@ done:
skip = true;
s->skip_first_frames--;
}
- v4l2_get_timestamp(&cb->vb.timestamp);
+ cb->vb.vb2_buf.timestamp = ktime_get_ns();
/* TODO: the sequence number should be read from the FPGA so we
also know about dropped frames. */
cb->vb.sequence = s->sequence++;
diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c
index 35759a9..477778e 100644
--- a/drivers/media/pci/cx23885/cx23885-core.c
+++ b/drivers/media/pci/cx23885/cx23885-core.c
@@ -427,7 +427,7 @@ static void cx23885_wakeup(struct cx23885_tsport *port,
buf = list_entry(q->active.next,
struct cx23885_buffer, queue);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
buf->vb.sequence = q->count++;
dprintk(1, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
buf->vb.vb2_buf.index,
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
index 3cbee4c..90af327 100644
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -105,7 +105,7 @@ void cx23885_video_wakeup(struct cx23885_dev *dev,
struct cx23885_buffer, queue);
buf->vb.sequence = q->count++;
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
buf->vb.vb2_buf.index, count, q->count);
list_del(&buf->queue);
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index 644373d..c48bba9 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -130,7 +130,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
buf = list_entry(dmaq->active.next,
struct cx25821_buffer, queue);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
buf->vb.sequence = dmaq->count++;
list_del(&buf->queue);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/pci/cx88/cx88-core.c b/drivers/media/pci/cx88/cx88-core.c
index 9a43c78..46fe8c1 100644
--- a/drivers/media/pci/cx88/cx88-core.c
+++ b/drivers/media/pci/cx88/cx88-core.c
@@ -518,7 +518,7 @@ void cx88_wakeup(struct cx88_core *core,
buf = list_entry(q->active.next,
struct cx88_buffer, list);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
buf->vb.field = core->field;
buf->vb.sequence = q->count++;
list_del(&buf->list);
diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/dt3155.c
index f09bd73..568c0c8 100644
--- a/drivers/media/pci/dt3155/dt3155.c
+++ b/drivers/media/pci/dt3155/dt3155.c
@@ -270,7 +270,7 @@ static irqreturn_t dt3155_irq_handler_even(int irq, void *dev_id)
spin_lock(&ipd->lock);
if (ipd->curr_buf && !list_empty(&ipd->dmaq)) {
- v4l2_get_timestamp(&ipd->curr_buf->timestamp);
+ ipd->curr_buf->vb2_buf.timestamp = ktime_get_ns();
ipd->curr_buf->sequence = ipd->sequence++;
ipd->curr_buf->field = V4L2_FIELD_NONE;
vb2_buffer_done(&ipd->curr_buf->vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index 2b20432..e7f0fda 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -579,7 +579,7 @@ static void netup_unidvb_dma_worker(struct work_struct *work)
dev_dbg(&ndev->pci_dev->dev,
"%s(): buffer %p done, size %d\n",
__func__, buf, buf->size);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->size);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
index e79d63e..b41557d 100644
--- a/drivers/media/pci/saa7134/saa7134-core.c
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -309,7 +309,7 @@ void saa7134_buffer_finish(struct saa7134_dev *dev,
core_dbg("buffer_finish %p\n", q->curr);
/* finish current buffer */
- v4l2_get_timestamp(&q->curr->vb2.timestamp);
+ q->curr->vb2.vb2_buf.timestamp = ktime_get_ns();
q->curr->vb2.sequence = q->seq_nr++;
vb2_buffer_done(&q->curr->vb2.vb2_buf, state);
q->curr = NULL;
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
index 5b7853b..67a14c4 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
@@ -531,7 +531,7 @@ static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
if (!ret) {
vbuf->sequence = solo_enc->sequence++;
- v4l2_get_timestamp(&vbuf->timestamp);
+ vb->timestamp = ktime_get_ns();
/* Check for motion flags */
if (solo_is_motion_on(solo_enc) && enc_buf->motion) {
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2.c b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
index 212d15e..721ff53 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
@@ -225,7 +225,7 @@ finish_buf:
vb2_set_plane_payload(vb, 0,
solo_vlines(solo_dev) * solo_bytesperline(solo_dev));
vbuf->sequence = solo_dev->sequence++;
- v4l2_get_timestamp(&vbuf->timestamp);
+ vb->timestamp = ktime_get_ns();
}
vb2_buffer_done(vb, error ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c
index b8b06fb..753411c 100644
--- a/drivers/media/pci/sta2x11/sta2x11_vip.c
+++ b/drivers/media/pci/sta2x11/sta2x11_vip.c
@@ -817,7 +817,7 @@ static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip)
/* Disable acquisition */
reg_write(vip, DVP_CTL, reg_read(vip, DVP_CTL) & ~DVP_CTL_ENA);
/* Remove the active buffer from the list */
- v4l2_get_timestamp(&vip->active->vb.timestamp);
+ vip->active->vb.vb2_buf.timestamp = ktime_get_ns();
vip->active->vb.sequence = vip->sequence++;
vb2_buffer_done(&vip->active->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index 2e71af1..07116a8 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -1016,7 +1016,7 @@ void tw68_irq_video_done(struct tw68_dev *dev, unsigned long status)
buf = list_entry(dev->active.next, struct tw68_buf, list);
list_del(&buf->list);
spin_unlock(&dev->slock);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
buf->vb.field = dev->field;
buf->vb.sequence = dev->seqnr++;
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
index e434c8e..de32e3a 100644
--- a/drivers/media/platform/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/am437x/am437x-vpfe.c
@@ -1281,7 +1281,7 @@ static inline void vpfe_schedule_bottom_field(struct vpfe_device *vpfe)
*/
static inline void vpfe_process_buffer_complete(struct vpfe_device *vpfe)
{
- v4l2_get_timestamp(&vpfe->cur_frm->vb.timestamp);
+ vpfe->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns();
vpfe->cur_frm->vb.field = vpfe->fmt.fmt.pix.field;
vpfe->cur_frm->vb.sequence = vpfe->sequence++;
vb2_buffer_done(&vpfe->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index 8ecc05a..d0092da 100644
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -404,7 +404,7 @@ static irqreturn_t bcap_isr(int irq, void *dev_id)
spin_lock(&bcap_dev->lock);
if (!list_empty(&bcap_dev->dma_queue)) {
- v4l2_get_timestamp(&vbuf->timestamp);
+ vb->timestamp = ktime_get_ns();
if (ppi->err) {
vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
ppi->err = false;
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 654e964..21beb97 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -279,7 +279,7 @@ void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming)
if (meta) {
meta->sequence = src_buf->sequence;
meta->timecode = src_buf->timecode;
- meta->timestamp = src_buf->timestamp;
+ meta->timestamp = src_buf->vb2_buf.timestamp;
meta->start = start;
meta->end = ctx->bitstream_fifo.kfifo.in &
ctx->bitstream_fifo.kfifo.mask;
@@ -1364,7 +1364,7 @@ static void coda_finish_encode(struct coda_ctx *ctx)
dst_buf->flags &= ~V4L2_BUF_FLAG_KEYFRAME;
}
- dst_buf->timestamp = src_buf->timestamp;
+ dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_buf->flags |=
src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
@@ -2040,7 +2040,7 @@ static void coda_finish_decode(struct coda_ctx *ctx)
dst_buf->flags |= ctx->frame_types[ctx->display_idx];
meta = &ctx->frame_metas[ctx->display_idx];
dst_buf->timecode = meta->timecode;
- dst_buf->timestamp = meta->timestamp;
+ dst_buf->vb2_buf.timestamp = meta->timestamp;
trace_coda_dec_rot_done(ctx, dst_buf, meta);
diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h
index 96532b0..6cda81e 100644
--- a/drivers/media/platform/coda/coda.h
+++ b/drivers/media/platform/coda/coda.h
@@ -138,7 +138,7 @@ struct coda_buffer_meta {
struct list_head list;
u32 sequence;
struct v4l2_timecode timecode;
- struct timeval timestamp;
+ u64 timestamp;
u32 start;
u32 end;
};
diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index 3fc2176..0abcdfe 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -74,7 +74,7 @@ static void vpbe_isr_even_field(struct vpbe_display *disp_obj,
if (layer->cur_frm == layer->next_frm)
return;
- v4l2_get_timestamp(&layer->cur_frm->vb.timestamp);
+ layer->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&layer->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE);
/* Make cur_frm pointing to next_frm */
layer->cur_frm = layer->next_frm;
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index fad5b38..08f7028 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -330,7 +330,7 @@ static struct vb2_ops video_qops = {
*/
static void vpif_process_buffer_complete(struct common_obj *common)
{
- v4l2_get_timestamp(&common->cur_frm->vb.timestamp);
+ common->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&common->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE);
/* Make curFrm pointing to nextFrm */
common->cur_frm = common->next_frm;
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index 534b50a..f40755c 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -331,7 +331,7 @@ static void process_interlaced_mode(int fid, struct common_obj *common)
/* one frame is displayed If next frame is
* available, release cur_frm and move on */
/* Copy frame display time */
- v4l2_get_timestamp(&common->cur_frm->vb.timestamp);
+ common->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns();
/* Change status of the cur_frm */
vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
VB2_BUF_STATE_DONE);
@@ -387,8 +387,8 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id)
if (!channel_first_int[i][channel_id]) {
/* Mark status of the cur_frm to
* done and unlock semaphore on it */
- v4l2_get_timestamp(
- &common->cur_frm->vb.timestamp);
+ common->cur_frm->vb.vb2_buf.timestamp =
+ ktime_get_ns();
vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
VB2_BUF_STATE_DONE);
/* Make cur_frm pointing to next_frm */
diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c
index ea9230e..93782f1 100644
--- a/drivers/media/platform/exynos-gsc/gsc-m2m.c
+++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c
@@ -86,7 +86,7 @@ void gsc_m2m_job_finish(struct gsc_ctx *ctx, int vb_state)
dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
if (src_vb && dst_vb) {
- dst_vb->timestamp = src_vb->timestamp;
+ dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
dst_vb->timecode = src_vb->timecode;
dst_vb->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_vb->flags |=
@@ -125,7 +125,7 @@ static int gsc_get_bufs(struct gsc_ctx *ctx)
if (ret)
return ret;
- dst_vb->timestamp = src_vb->timestamp;
+ dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
return 0;
}
diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c
index beadccb..0d549a6 100644
--- a/drivers/media/platform/exynos4-is/fimc-capture.c
+++ b/drivers/media/platform/exynos4-is/fimc-capture.c
@@ -193,7 +193,7 @@ void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf)
test_bit(ST_CAPT_RUN, &fimc->state) && deq_buf) {
v_buf = fimc_active_queue_pop(cap);
- v4l2_get_timestamp(&v_buf->vb.timestamp);
+ v_buf->vb.vb2_buf.timestamp = ktime_get_ns();
v_buf->vb.sequence = cap->frame_count++;
vb2_buffer_done(&v_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c
index 273e7a5..0dd22ec 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp-video.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c
@@ -251,7 +251,7 @@ void fimc_isp_video_irq_handler(struct fimc_is *is)
buf_index = (is->i2h_cmd.args[1] - 1) % video->buf_count;
vbuf = &video->buffers[buf_index]->vb;
- v4l2_get_timestamp(&vbuf->timestamp);
+ vbuf->vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&vbuf->vb2_buf, VB2_BUF_STATE_DONE);
video->buf_mask &= ~BIT(buf_index);
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c
index 15d6fc9..639ee71 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite.c
@@ -292,7 +292,7 @@ static irqreturn_t flite_irq_handler(int irq, void *priv)
test_bit(ST_FLITE_RUN, &fimc->state) &&
!list_empty(&fimc->active_buf_q)) {
vbuf = fimc_lite_active_queue_pop(fimc);
- v4l2_get_timestamp(&vbuf->vb.timestamp);
+ vbuf->vb.vb2_buf.timestamp = ktime_get_ns();
vbuf->vb.sequence = fimc->frame_count++;
flite_hw_mask_dma_buffer(fimc, vbuf->index);
vb2_buffer_done(&vbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/exynos4-is/fimc-m2m.c b/drivers/media/platform/exynos4-is/fimc-m2m.c
index 4c04b59..5aa857c 100644
--- a/drivers/media/platform/exynos4-is/fimc-m2m.c
+++ b/drivers/media/platform/exynos4-is/fimc-m2m.c
@@ -132,7 +132,7 @@ static void fimc_device_run(void *priv)
if (ret)
goto dma_unlock;
- dst_vb->timestamp = src_vb->timestamp;
+ dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
dst_vb->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_vb->flags |=
src_vb->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c
index 652eebd..7383818 100644
--- a/drivers/media/platform/m2m-deinterlace.c
+++ b/drivers/media/platform/m2m-deinterlace.c
@@ -207,7 +207,7 @@ static void dma_callback(void *data)
src_vb = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx);
dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx);
- dst_vb->timestamp = src_vb->timestamp;
+ dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
dst_vb->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_vb->flags |=
src_vb->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c
index 7080a88..9b878de 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.c
+++ b/drivers/media/platform/marvell-ccic/mcam-core.c
@@ -226,7 +226,7 @@ static void mcam_buffer_done(struct mcam_camera *cam, int frame,
vbuf->vb2_buf.planes[0].bytesused = cam->pix_format.sizeimage;
vbuf->sequence = cam->buf_seq[frame];
vbuf->field = V4L2_FIELD_NONE;
- v4l2_get_timestamp(&vbuf->timestamp);
+ vbuf->vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&vbuf->vb2_buf, 0, cam->pix_format.sizeimage);
vb2_buffer_done(&vbuf->vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
index cb7d4b5..3c4012d 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -375,7 +375,7 @@ static irqreturn_t emmaprp_irq(int irq_emma, void *data)
src_vb = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx);
dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx);
- dst_vb->timestamp = src_vb->timestamp;
+ dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
dst_vb->flags &=
~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_vb->flags |=
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index 9cc4878..ecadca3 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -466,7 +466,7 @@ struct isp_buffer *omap3isp_video_buffer_next(struct isp_video *video)
list_del(&buf->irqlist);
spin_unlock_irqrestore(&video->irqlock, flags);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
/* Do frame number propagation only if this is the output video node.
* Frame number either comes from the CSI receivers or it gets
diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c
index 23dadae..3a9f512 100644
--- a/drivers/media/platform/rcar_jpu.c
+++ b/drivers/media/platform/rcar_jpu.c
@@ -1565,7 +1565,7 @@ static irqreturn_t jpu_irq_handler(int irq, void *dev_id)
}
dst_buf->field = src_buf->field;
- dst_buf->timestamp = src_buf->timestamp;
+ dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
if (src_buf->flags & V4L2_BUF_FLAG_TIMECODE)
dst_buf->timecode = src_buf->timecode;
dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c
index 68e6512..ec3abbe 100644
--- a/drivers/media/platform/s3c-camif/camif-capture.c
+++ b/drivers/media/platform/s3c-camif/camif-capture.c
@@ -338,7 +338,7 @@ irqreturn_t s3c_camif_irq_handler(int irq, void *priv)
if (!WARN_ON(vbuf == NULL)) {
/* Dequeue a filled buffer */
- v4l2_get_timestamp(&vbuf->vb.timestamp);
+ vbuf->vb.vb2_buf.timestamp = ktime_get_ns();
vbuf->vb.sequence = vp->frame_sequence++;
vb2_buffer_done(&vbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
index 12b4415..74bd46c 100644
--- a/drivers/media/platform/s5p-g2d/g2d.c
+++ b/drivers/media/platform/s5p-g2d/g2d.c
@@ -552,7 +552,7 @@ static irqreturn_t g2d_isr(int irq, void *prv)
BUG_ON(dst == NULL);
dst->timecode = src->timecode;
- dst->timestamp = src->timestamp;
+ dst->vb2_buf.timestamp = src->vb2_buf.timestamp;
dst->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst->flags |=
src->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 30440b0..c3b13a6 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -2620,7 +2620,7 @@ static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id)
}
dst_buf->timecode = src_buf->timecode;
- dst_buf->timestamp = src_buf->timestamp;
+ dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_buf->flags |=
src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
@@ -2751,7 +2751,7 @@ static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id)
dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
dst_buf->timecode = src_buf->timecode;
- dst_buf->timestamp = src_buf->timestamp;
+ dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
v4l2_m2m_buf_done(src_buf, state);
if (curr_ctx->mode == S5P_JPEG_ENCODE)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 3ffe2ec..0effb2f 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -233,8 +233,8 @@ static void s5p_mfc_handle_frame_copy_time(struct s5p_mfc_ctx *ctx)
== dec_y_addr) {
dst_buf->b->timecode =
src_buf->b->timecode;
- dst_buf->b->timestamp =
- src_buf->b->timestamp;
+ dst_buf->b->vb2_buf.timestamp =
+ src_buf->b->vb2_buf.timestamp;
dst_buf->b->flags &=
~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_buf->b->flags |=
diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c
index 82c39f3..82b5d69 100644
--- a/drivers/media/platform/sh_veu.c
+++ b/drivers/media/platform/sh_veu.c
@@ -1094,7 +1094,7 @@ static irqreturn_t sh_veu_isr(int irq, void *dev_id)
if (!src || !dst)
return IRQ_NONE;
- dst->timestamp = src->timestamp;
+ dst->vb2_buf.timestamp = src->vb2_buf.timestamp;
dst->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst->flags |=
src->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c
index fd0524e..1157404 100644
--- a/drivers/media/platform/sh_vou.c
+++ b/drivers/media/platform/sh_vou.c
@@ -1070,7 +1070,7 @@ static irqreturn_t sh_vou_isr(int irq, void *dev_id)
list_del(&vb->list);
- v4l2_get_timestamp(&vb->vb.timestamp);
+ vb->vb.vb2_buf.timestamp = ktime_get_ns();
vb->vb.sequence = vou_dev->sequence++;
vb->vb.field = V4L2_FIELD_INTERLACED;
vb2_buffer_done(&vb->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
index b78aa02..c398b28 100644
--- a/drivers/media/platform/soc_camera/atmel-isi.c
+++ b/drivers/media/platform/soc_camera/atmel-isi.c
@@ -214,7 +214,7 @@ static irqreturn_t atmel_isi_handle_streaming(struct atmel_isi *isi)
struct frame_buffer *buf = isi->active;
list_del_init(&buf->list);
- v4l2_get_timestamp(&vbuf->timestamp);
+ vbuf->vb2_buf.timestamp = ktime_get_ns();
vbuf->sequence = isi->sequence++;
vb2_buffer_done(&vbuf->vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index 4738048..05cb8ab 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -1345,7 +1345,7 @@ static void mx27_camera_frame_done_emma(struct mx2_camera_dev *pcdev,
vb2_get_plane_payload(vb, 0));
list_del_init(&buf->internal.queue);
- v4l2_get_timestamp(&vbuf->timestamp);
+ vb->timestamp = ktime_get_ns();
vbuf->sequence = pcdev->frame_count;
if (err)
vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c
index 81895b7..eea069b 100644
--- a/drivers/media/platform/soc_camera/mx3_camera.c
+++ b/drivers/media/platform/soc_camera/mx3_camera.c
@@ -155,7 +155,7 @@ static void mx3_cam_dma_done(void *arg)
struct mx3_camera_buffer *buf = to_mx3_vb(vb);
list_del_init(&buf->queue);
- v4l2_get_timestamp(&vb->timestamp);
+ vb->vb2_buf.timestamp = ktime_get_ns();
vb->field = mx3_cam->field;
vb->sequence = mx3_cam->sequence++;
vb2_buffer_done(&vb->vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index 068eaf7..6897328 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -884,7 +884,7 @@ static irqreturn_t rcar_vin_irq(int irq, void *data)
priv->queue_buf[slot]->field = priv->field;
priv->queue_buf[slot]->sequence = priv->sequence++;
- v4l2_get_timestamp(&priv->queue_buf[slot]->timestamp);
+ priv->queue_buf[slot]->vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&priv->queue_buf[slot]->vb2_buf,
VB2_BUF_STATE_DONE);
priv->queue_buf[slot] = NULL;
diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
index 4e9bc04..90c87f2 100644
--- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
+++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
@@ -510,7 +510,7 @@ static irqreturn_t sh_mobile_ceu_irq(int irq, void *data)
pcdev->active = NULL;
ret = sh_mobile_ceu_capture(pcdev);
- v4l2_get_timestamp(&vbuf->timestamp);
+ vbuf->vb2_buf.timestamp = ktime_get_ns();
if (!ret) {
vbuf->field = pcdev->field;
vbuf->sequence = pcdev->sequence++;
diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
index 81871d6..d12a419 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
@@ -191,7 +191,7 @@ static void bdisp_job_finish(struct bdisp_ctx *ctx, int vb_state)
dst_vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
if (src_vb && dst_vb) {
- dst_vb->timestamp = src_vb->timestamp;
+ dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
dst_vb->timecode = src_vb->timecode;
dst_vb->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
dst_vb->flags |= src_vb->flags &
@@ -297,7 +297,7 @@ static int bdisp_get_bufs(struct bdisp_ctx *ctx)
if (ret)
return ret;
- dst_vb->timestamp = src_vb->timestamp;
+ dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
return 0;
}
diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
index e8ed265..1fa00c2 100644
--- a/drivers/media/platform/ti-vpe/vpe.c
+++ b/drivers/media/platform/ti-vpe/vpe.c
@@ -1288,7 +1288,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
d_vb = ctx->dst_vb;
d_vb->flags = s_vb->flags;
- d_vb->timestamp = s_vb->timestamp;
+ d_vb->vb2_buf.timestamp = s_vb->vb2_buf.timestamp;
if (s_vb->flags & V4L2_BUF_FLAG_TIMECODE)
d_vb->timecode = s_vb->timecode;
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index 93e1d25..418113c 100644
--- a/drivers/media/platform/vim2m.c
+++ b/drivers/media/platform/vim2m.c
@@ -235,7 +235,7 @@ static int device_process(struct vim2m_ctx *ctx,
out_vb->sequence =
get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE)->sequence++;
in_vb->sequence = q_data->sequence++;
- out_vb->timestamp = in_vb->timestamp;
+ out_vb->vb2_buf.timestamp = in_vb->vb2_buf.timestamp;
if (in_vb->flags & V4L2_BUF_FLAG_TIMECODE)
out_vb->timecode = in_vb->timecode;
diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h
index 8c7a5ba..751c1ba 100644
--- a/drivers/media/platform/vivid/vivid-core.h
+++ b/drivers/media/platform/vivid/vivid-core.h
@@ -286,7 +286,7 @@ struct vivid_dev {
bool dqbuf_error;
bool seq_wrap;
bool time_wrap;
- __kernel_time_t time_wrap_offset;
+ u64 time_wrap_offset;
unsigned perc_dropped_buffers;
enum vivid_signal_mode std_signal_mode;
unsigned query_std_last;
diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c
index 4ab7c4b..b98089c 100644
--- a/drivers/media/platform/vivid/vivid-ctrls.c
+++ b/drivers/media/platform/vivid/vivid-ctrls.c
@@ -954,7 +954,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_has_scaler_out = {
static int vivid_streaming_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, ctrl_hdl_streaming);
- struct timeval tv;
+ u64 rem;
switch (ctrl->id) {
case VIVID_CID_DQBUF_ERROR:
@@ -993,8 +993,16 @@ static int vivid_streaming_s_ctrl(struct v4l2_ctrl *ctrl)
dev->time_wrap_offset = 0;
break;
}
- v4l2_get_timestamp(&tv);
- dev->time_wrap_offset = -tv.tv_sec - 16;
+ /*
+ * We want to set the time 16 seconds before the 32 bit tv_sec
+ * value of struct timeval would wrap around. So first we
+ * calculate ktime_get_ns() % ((1 << 32) * NSEC_PER_SEC), and
+ * then we set the offset to ((1 << 32) - 16) * NSEC_PER_SEC).
+ */
+ div64_u64_rem(ktime_get_ns(),
+ 0x100000000ULL * NSEC_PER_SEC, &rem);
+ dev->time_wrap_offset =
+ (0x100000000ULL - 16) * NSEC_PER_SEC - rem;
break;
}
return 0;
diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c
index 83cc6d3..9034281 100644
--- a/drivers/media/platform/vivid/vivid-kthread-cap.c
+++ b/drivers/media/platform/vivid/vivid-kthread-cap.c
@@ -441,7 +441,7 @@ static void vivid_fillbuff(struct vivid_dev *dev, struct vivid_buffer *buf)
* "Start of Exposure".
*/
if (dev->tstamp_src_is_soe)
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
if (dev->field_cap == V4L2_FIELD_ALTERNATE) {
/*
* 60 Hz standards start with the bottom field, 50 Hz standards
@@ -558,8 +558,8 @@ static void vivid_fillbuff(struct vivid_dev *dev, struct vivid_buffer *buf)
* the timestamp now.
*/
if (!dev->tstamp_src_is_soe)
- v4l2_get_timestamp(&buf->vb.timestamp);
- buf->vb.timestamp.tv_sec += dev->time_wrap_offset;
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
+ buf->vb.vb2_buf.timestamp += dev->time_wrap_offset;
}
/*
diff --git a/drivers/media/platform/vivid/vivid-kthread-out.c b/drivers/media/platform/vivid/vivid-kthread-out.c
index c2c46dc..98eed58 100644
--- a/drivers/media/platform/vivid/vivid-kthread-out.c
+++ b/drivers/media/platform/vivid/vivid-kthread-out.c
@@ -95,8 +95,8 @@ static void vivid_thread_vid_out_tick(struct vivid_dev *dev)
*/
vid_out_buf->vb.sequence /= 2;
}
- v4l2_get_timestamp(&vid_out_buf->vb.timestamp);
- vid_out_buf->vb.timestamp.tv_sec += dev->time_wrap_offset;
+ vid_out_buf->vb.vb2_buf.timestamp =
+ ktime_get_ns() + dev->time_wrap_offset;
vb2_buffer_done(&vid_out_buf->vb.vb2_buf, dev->dqbuf_error ?
VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
dprintk(dev, 2, "vid_out buffer %d done\n",
@@ -108,8 +108,8 @@ static void vivid_thread_vid_out_tick(struct vivid_dev *dev)
vivid_sliced_vbi_out_process(dev, vbi_out_buf);
vbi_out_buf->vb.sequence = dev->vbi_out_seq_count;
- v4l2_get_timestamp(&vbi_out_buf->vb.timestamp);
- vbi_out_buf->vb.timestamp.tv_sec += dev->time_wrap_offset;
+ vbi_out_buf->vb.vb2_buf.timestamp =
+ ktime_get_ns() + dev->time_wrap_offset;
vb2_buffer_done(&vbi_out_buf->vb.vb2_buf, dev->dqbuf_error ?
VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
dprintk(dev, 2, "vbi_out buffer %d done\n",
diff --git a/drivers/media/platform/vivid/vivid-sdr-cap.c b/drivers/media/platform/vivid/vivid-sdr-cap.c
index 6eeeff9..3d1604c 100644
--- a/drivers/media/platform/vivid/vivid-sdr-cap.c
+++ b/drivers/media/platform/vivid/vivid-sdr-cap.c
@@ -117,8 +117,8 @@ static void vivid_thread_sdr_cap_tick(struct vivid_dev *dev)
if (sdr_cap_buf) {
sdr_cap_buf->vb.sequence = dev->sdr_cap_seq_count;
vivid_sdr_cap_process(dev, sdr_cap_buf);
- v4l2_get_timestamp(&sdr_cap_buf->vb.timestamp);
- sdr_cap_buf->vb.timestamp.tv_sec += dev->time_wrap_offset;
+ sdr_cap_buf->vb.vb2_buf.timestamp =
+ ktime_get_ns() + dev->time_wrap_offset;
vb2_buffer_done(&sdr_cap_buf->vb.vb2_buf, dev->dqbuf_error ?
VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
dev->dqbuf_error = false;
diff --git a/drivers/media/platform/vivid/vivid-vbi-cap.c b/drivers/media/platform/vivid/vivid-vbi-cap.c
index d6d12e1..cda45a5 100644
--- a/drivers/media/platform/vivid/vivid-vbi-cap.c
+++ b/drivers/media/platform/vivid/vivid-vbi-cap.c
@@ -108,8 +108,7 @@ void vivid_raw_vbi_cap_process(struct vivid_dev *dev, struct vivid_buffer *buf)
if (!VIVID_INVALID_SIGNAL(dev->std_signal_mode))
vivid_vbi_gen_raw(&dev->vbi_gen, &vbi, vbuf);
- v4l2_get_timestamp(&buf->vb.timestamp);
- buf->vb.timestamp.tv_sec += dev->time_wrap_offset;
+ buf->vb.vb2_buf.timestamp = ktime_get_ns() + dev->time_wrap_offset;
}
@@ -133,8 +132,7 @@ void vivid_sliced_vbi_cap_process(struct vivid_dev *dev,
vbuf[i] = dev->vbi_gen.data[i];
}
- v4l2_get_timestamp(&buf->vb.timestamp);
- buf->vb.timestamp.tv_sec += dev->time_wrap_offset;
+ buf->vb.vb2_buf.timestamp = ktime_get_ns() + dev->time_wrap_offset;
}
static int vbi_cap_queue_setup(struct vb2_queue *vq,
diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index 1eebf58..45eb65f 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -582,7 +582,7 @@ vsp1_video_complete_buffer(struct vsp1_video *video)
spin_unlock_irqrestore(&video->irqlock, flags);
done->buf.sequence = video->sequence++;
- v4l2_get_timestamp(&done->buf.timestamp);
+ done->buf.vb2_buf.timestamp = ktime_get_ns();
for (i = 0; i < done->buf.vb2_buf.num_planes; ++i)
vb2_set_plane_payload(&done->buf.vb2_buf, i, done->length[i]);
vb2_buffer_done(&done->buf.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
index 8532cab..722758f 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -303,7 +303,7 @@ static void xvip_dma_complete(void *param)
buf->buf.field = V4L2_FIELD_NONE;
buf->buf.sequence = dma->sequence++;
- v4l2_get_timestamp(&buf->buf.timestamp);
+ buf->buf.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->buf.vb2_buf, 0, dma->format.sizeimage);
vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index 518d511..b5595ca 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -316,7 +316,7 @@ static void airspy_urb_complete(struct urb *urb)
len = airspy_convert_stream(s, ptr, urb->transfer_buffer,
urb->actual_length);
vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0, len);
- v4l2_get_timestamp(&fbuf->vb.timestamp);
+ fbuf->vb.vb2_buf.timestamp = ktime_get_ns();
fbuf->vb.sequence = s->sequence++;
vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 427d58e..0a725a1 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -314,7 +314,7 @@ static inline void buffer_filled(struct au0828_dev *dev,
vb->sequence = dev->vbi_frame_count++;
vb->field = V4L2_FIELD_INTERLACED;
- v4l2_get_timestamp(&vb->timestamp);
+ vb->vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&vb->vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 235a038..0e86ff4 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -438,7 +438,7 @@ static inline void finish_buffer(struct em28xx *dev,
buf->vb.field = V4L2_FIELD_NONE;
else
buf->vb.field = V4L2_FIELD_INTERLACED;
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
index ae1cfa7..05b1126 100644
--- a/drivers/media/usb/go7007/go7007-driver.c
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -466,7 +466,7 @@ static struct go7007_buffer *frame_boundary(struct go7007 *go, struct go7007_buf
else
go7007_set_motion_regions(go, vb, 0);
- v4l2_get_timestamp(&vb->vb.timestamp);
+ vb->vb.vb2_buf.timestamp = ktime_get_ns();
vb_tmp = vb;
spin_lock(&go->spinlock);
list_del(&vb->list);
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index d0c416d..d7a3aa2 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -517,7 +517,7 @@ static void hackrf_urb_complete_in(struct urb *urb)
urb->transfer_buffer, len);
vb2_set_plane_payload(&buffer->vb.vb2_buf, 0, len);
buffer->vb.sequence = dev->sequence++;
- v4l2_get_timestamp(&buffer->vb.timestamp);
+ buffer->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&buffer->vb.vb2_buf, VB2_BUF_STATE_DONE);
exit_usb_submit_urb:
usb_submit_urb(urb, GFP_ATOMIC);
@@ -562,7 +562,7 @@ static void hackrf_urb_complete_out(struct urb *urb)
vb2_plane_vaddr(&buffer->vb.vb2_buf, 0), len);
urb->actual_length = len;
buffer->vb.sequence = dev->sequence++;
- v4l2_get_timestamp(&buffer->vb.timestamp);
+ buffer->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&buffer->vb.vb2_buf, VB2_BUF_STATE_DONE);
exit_usb_submit_urb:
usb_submit_urb(urb, GFP_ATOMIC);
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index e90e494..086cf1c 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -316,8 +316,7 @@ static void pwc_isoc_handler(struct urb *urb)
struct pwc_frame_buf *fbuf = pdev->fill_buf;
if (pdev->vsync == 1) {
- v4l2_get_timestamp(
- &fbuf->vb.timestamp);
+ fbuf->vb.vb2_buf.timestamp = ktime_get_ns();
pdev->vsync = 2;
}
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index 82bdd42..9acdaa3 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -574,7 +574,7 @@ static void s2255_got_frame(struct s2255_vc *vc, int jpgsize)
buf = list_entry(vc->buf_list.next,
struct s2255_buffer, list);
list_del(&buf->list);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
buf->vb.field = vc->field;
buf->vb.sequence = vc->frame_count;
spin_unlock_irqrestore(&vc->qlock, flags);
diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 75654e6..46191d5 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -99,7 +99,7 @@ void stk1160_buffer_done(struct stk1160 *dev)
buf->vb.sequence = dev->sequence++;
buf->vb.field = V4L2_FIELD_INTERLACED;
buf->vb.vb2_buf.planes[0].bytesused = buf->bytesused;
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->bytesused);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c
index 05cbd2f..4ebb339 100644
--- a/drivers/media/usb/usbtv/usbtv-video.c
+++ b/drivers/media/usb/usbtv/usbtv-video.c
@@ -322,7 +322,7 @@ static void usbtv_image_chunk(struct usbtv *usbtv, __be32 *chunk)
buf->vb.field = V4L2_FIELD_INTERLACED;
buf->vb.sequence = usbtv->sequence++;
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size);
vb2_buffer_done(&buf->vb.vb2_buf, state);
list_del(&buf->list);
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 2b276ab..f126859 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -694,19 +694,16 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
ts.tv_nsec -= NSEC_PER_SEC;
}
- uvc_trace(UVC_TRACE_CLOCK, "%s: SOF %u.%06llu y %llu ts %lu.%06lu "
- "buf ts %lu.%06lu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n",
+ uvc_trace(UVC_TRACE_CLOCK, "%s: SOF %u.%06llu y %llu ts %llu "
+ "buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n",
stream->dev->name,
sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536),
- y, ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC,
- vbuf->timestamp.tv_sec,
- (unsigned long)vbuf->timestamp.tv_usec,
+ y, timespec_to_ns(&ts), vbuf->vb2_buf.timestamp,
x1, first->host_sof, first->dev_sof,
x2, last->host_sof, last->dev_sof, y1, y2);
/* Update the V4L2 buffer. */
- vbuf->timestamp.tv_sec = ts.tv_sec;
- vbuf->timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+ vbuf->vb2_buf.timestamp = timespec_to_ns(&ts);
done:
spin_unlock_irqrestore(&stream->clock.lock, flags);
@@ -1034,9 +1031,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
buf->buf.field = V4L2_FIELD_NONE;
buf->buf.sequence = stream->sequence;
- buf->buf.timestamp.tv_sec = ts.tv_sec;
- buf->buf.timestamp.tv_usec =
- ts.tv_nsec / NSEC_PER_USEC;
+ buf->buf.vb2_buf.timestamp = timespec_to_ns(&ts);
/* TODO: Handle PTS and SCR. */
buf->state = UVC_BUF_STATE_ACTIVE;
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 1b5c695..bfd7e34 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -120,7 +120,7 @@ static int __set_timestamp(struct vb2_buffer *vb, const void *pb)
*/
if ((q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) ==
V4L2_BUF_FLAG_TIMESTAMP_COPY)
- vbuf->timestamp = b->timestamp;
+ vb->timestamp = timeval_to_ns(&b->timestamp);
vbuf->flags |= b->flags & V4L2_BUF_FLAG_TIMECODE;
if (b->flags & V4L2_BUF_FLAG_TIMECODE)
vbuf->timecode = b->timecode;
@@ -191,7 +191,7 @@ static int __fill_v4l2_buffer(struct vb2_buffer *vb, void *pb)
b->flags = vbuf->flags;
b->field = vbuf->field;
- b->timestamp = vbuf->timestamp;
+ b->timestamp = ns_to_timeval(vb->timestamp);
b->timecode = vbuf->timecode;
b->sequence = vbuf->sequence;
b->reserved2 = 0;
@@ -308,8 +308,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb,
"for an output buffer\n");
return -EINVAL;
}
- vbuf->timestamp.tv_sec = 0;
- vbuf->timestamp.tv_usec = 0;
+ vb->timestamp = 0;
vbuf->sequence = 0;
if (V4L2_TYPE_IS_MULTIPLANAR(b->type)) {
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 77b4fc6..adb2bc8 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -470,7 +470,7 @@ void vpfe_video_process_buffer_complete(struct vpfe_video_device *video)
{
struct vpfe_pipeline *pipe = &video->pipe;
- v4l2_get_timestamp(&video->cur_frm->vb.timestamp);
+ video->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&video->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE);
if (pipe->state == VPFE_PIPELINE_STREAM_CONTINUOUS)
video->cur_frm = video->next_frm;
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index 17741e3..e9aeca0 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -433,7 +433,7 @@ struct iss_buffer *omap4iss_video_buffer_next(struct iss_video *video)
list_del(&buf->list);
spin_unlock_irqrestore(&video->qlock, flags);
- v4l2_get_timestamp(&buf->vb.timestamp);
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
/* Do frame number propagation only if this is the output video node.
* Frame number either comes from the CSI receivers or it gets
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index f592198..912694f 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -329,7 +329,7 @@ struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
buf->buf.field = V4L2_FIELD_NONE;
buf->buf.sequence = queue->sequence++;
- v4l2_get_timestamp(&buf->buf.timestamp);
+ buf->buf.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index b47d1e2..0774bf3 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -211,6 +211,7 @@ struct vb2_queue;
* @num_planes: number of planes in the buffer
* on an internal driver queue
* @planes: private per-plane information; do not change
+ * @timestamp: frame timestamp in ns
*/
struct vb2_buffer {
struct vb2_queue *vb2_queue;
@@ -219,6 +220,7 @@ struct vb2_buffer {
unsigned int memory;
unsigned int num_planes;
struct vb2_plane planes[VB2_MAX_PLANES];
+ u64 timestamp;
/* private: internal use only
*
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index 5abab1e..110062e 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -28,7 +28,6 @@
* @vb2_buf: video buffer 2
* @flags: buffer informational flags
* @field: enum v4l2_field; field order of the image in the buffer
- * @timestamp: frame timestamp
* @timecode: frame timecode
* @sequence: sequence count of this frame
* Should contain enough information to be able to cover all the fields
@@ -39,7 +38,6 @@ struct vb2_v4l2_buffer {
__u32 flags;
__u32 field;
- struct timeval timestamp;
struct v4l2_timecode timecode;
__u32 sequence;
};
diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h
index 22afa26..ee7754c 100644
--- a/include/trace/events/v4l2.h
+++ b/include/trace/events/v4l2.h
@@ -184,7 +184,7 @@ DECLARE_EVENT_CLASS(vb2_v4l2_event_class,
__field(int, minor)
__field(u32, flags)
__field(u32, field)
- __field(s64, timestamp)
+ __field(u64, timestamp)
__field(u32, timecode_type)
__field(u32, timecode_flags)
__field(u8, timecode_frames)
@@ -205,7 +205,7 @@ DECLARE_EVENT_CLASS(vb2_v4l2_event_class,
__entry->minor = owner ? owner->vdev->minor : -1;
__entry->flags = vbuf->flags;
__entry->field = vbuf->field;
- __entry->timestamp = timeval_to_ns(&vbuf->timestamp);
+ __entry->timestamp = vb->timestamp;
__entry->timecode_type = vbuf->timecode.type;
__entry->timecode_flags = vbuf->timecode.flags;
__entry->timecode_frames = vbuf->timecode.frames;
diff --git a/include/trace/events/vb2.h b/include/trace/events/vb2.h
index bfeceeb..c1a2241 100644
--- a/include/trace/events/vb2.h
+++ b/include/trace/events/vb2.h
@@ -18,6 +18,7 @@ DECLARE_EVENT_CLASS(vb2_event_class,
__field(u32, index)
__field(u32, type)
__field(u32, bytesused)
+ __field(u64, timestamp)
),
TP_fast_assign(
@@ -28,14 +29,16 @@ DECLARE_EVENT_CLASS(vb2_event_class,
__entry->index = vb->index;
__entry->type = vb->type;
__entry->bytesused = vb->planes[0].bytesused;
+ __entry->timestamp = vb->timestamp;
),
TP_printk("owner = %p, queued = %u, owned_by_drv = %d, index = %u, "
- "type = %u, bytesused = %u", __entry->owner,
+ "type = %u, bytesused = %u, timestamp = %llu", __entry->owner,
__entry->queued_count,
__entry->owned_by_drv_count,
__entry->index, __entry->type,
- __entry->bytesused
+ __entry->bytesused,
+ __entry->timestamp
)
)
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 05/15] media: videobuf2: Add copy_timestamp to struct vb2_queue
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (3 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 04/15] media: videobuf2: Move timestamp to vb2_buffer Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 06/15] media: videobuf2: Separate vb2_poll() Hans Verkuil
` (9 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media
Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Geunyoung Kim, Hans Verkuil
From: Junghak Sung <jh1009.sung@samsung.com>
Add copy_timestamp to struct vb2_queue as a flag set if vb2-core should
copy timestamps.
Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 2 +-
drivers/media/v4l2-core/videobuf2-v4l2.c | 31 +++++++++++++------------------
include/media/videobuf2-core.h | 4 +++-
3 files changed, 17 insertions(+), 20 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index ebce7c7..bd96fb8 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1399,7 +1399,7 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb)
q->waiting_for_buffers = false;
vb->state = VB2_BUF_STATE_QUEUED;
- call_bufop(q, set_timestamp, vb, pb);
+ call_bufop(q, copy_timestamp, vb, pb);
trace_vb2_qbuf(q, vb);
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index bfd7e34..e03f700 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -107,7 +107,7 @@ static int __verify_length(struct vb2_buffer *vb, const struct v4l2_buffer *b)
return 0;
}
-static int __set_timestamp(struct vb2_buffer *vb, const void *pb)
+static int __copy_timestamp(struct vb2_buffer *vb, const void *pb)
{
const struct v4l2_buffer *b = pb;
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
@@ -118,8 +118,7 @@ static int __set_timestamp(struct vb2_buffer *vb, const void *pb)
* For output buffers copy the timestamp if needed,
* and the timecode field and flag if needed.
*/
- if ((q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) ==
- V4L2_BUF_FLAG_TIMESTAMP_COPY)
+ if (q->copy_timestamp)
vb->timestamp = timeval_to_ns(&b->timestamp);
vbuf->flags |= b->flags & V4L2_BUF_FLAG_TIMECODE;
if (b->flags & V4L2_BUF_FLAG_TIMECODE)
@@ -238,8 +237,7 @@ static int __fill_v4l2_buffer(struct vb2_buffer *vb, void *pb)
*/
b->flags &= ~V4L2_BUFFER_MASK_FLAGS;
b->flags |= q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK;
- if ((q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) !=
- V4L2_BUF_FLAG_TIMESTAMP_COPY) {
+ if (!q->copy_timestamp) {
/*
* For non-COPY timestamps, drop timestamp source bits
* and obtain the timestamp source from the queue.
@@ -403,8 +401,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb,
/* Zero flags that the vb2 core handles */
vbuf->flags = b->flags & ~V4L2_BUFFER_MASK_FLAGS;
- if ((vb->vb2_queue->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) !=
- V4L2_BUF_FLAG_TIMESTAMP_COPY || !V4L2_TYPE_IS_OUTPUT(b->type)) {
+ if (!vb->vb2_queue->copy_timestamp || !V4L2_TYPE_IS_OUTPUT(b->type)) {
/*
* Non-COPY timestamps and non-OUTPUT queues will get
* their timestamp and timestamp source flags from the
@@ -433,7 +430,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb,
static const struct vb2_buf_ops v4l2_buf_ops = {
.fill_user_buffer = __fill_v4l2_buffer,
.fill_vb2_buffer = __fill_vb2_buffer,
- .set_timestamp = __set_timestamp,
+ .copy_timestamp = __copy_timestamp,
};
/**
@@ -760,6 +757,8 @@ int vb2_queue_init(struct vb2_queue *q)
q->buf_ops = &v4l2_buf_ops;
q->is_multiplanar = V4L2_TYPE_IS_MULTIPLANAR(q->type);
q->is_output = V4L2_TYPE_IS_OUTPUT(q->type);
+ q->copy_timestamp = (q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK)
+ == V4L2_BUF_FLAG_TIMESTAMP_COPY;
return vb2_core_queue_init(q);
}
@@ -1114,12 +1113,10 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_
bool is_multiplanar = q->is_multiplanar;
/*
* When using write() to write data to an output video node the vb2 core
- * should set timestamps if V4L2_BUF_FLAG_TIMESTAMP_COPY is set. Nobody
+ * should copy timestamps if V4L2_BUF_FLAG_TIMESTAMP_COPY is set. Nobody
* else is able to provide this information with the write() operation.
*/
- bool set_timestamp = !read &&
- (q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) ==
- V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ bool copy_timestamp = !read && q->copy_timestamp;
int ret, index;
dprintk(3, "mode %s, offset %ld, count %zd, %sblocking\n",
@@ -1236,7 +1233,7 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_
fileio->b.m.planes = &fileio->p;
fileio->b.length = 1;
}
- if (set_timestamp)
+ if (copy_timestamp)
v4l2_get_timestamp(&fileio->b.timestamp);
ret = vb2_internal_qbuf(q, &fileio->b);
dprintk(5, "vb2_dbuf result: %d\n", ret);
@@ -1301,16 +1298,14 @@ static int vb2_thread(void *data)
struct vb2_queue *q = data;
struct vb2_threadio_data *threadio = q->threadio;
struct vb2_fileio_data *fileio = q->fileio;
- bool set_timestamp = false;
+ bool copy_timestamp = false;
int prequeue = 0;
int index = 0;
int ret = 0;
if (q->is_output) {
prequeue = q->num_buffers;
- set_timestamp =
- (q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) ==
- V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ copy_timestamp = q->copy_timestamp;
}
set_freezable();
@@ -1343,7 +1338,7 @@ static int vb2_thread(void *data)
if (threadio->fnc(vb, threadio->priv))
break;
call_void_qop(q, wait_finish, q);
- if (set_timestamp)
+ if (copy_timestamp)
v4l2_get_timestamp(&fileio->b.timestamp);
if (!threadio->stop)
ret = vb2_internal_qbuf(q, &fileio->b);
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 0774bf3..67da143 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -373,7 +373,7 @@ struct vb2_buf_ops {
int (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
struct vb2_plane *planes);
- int (*set_timestamp)(struct vb2_buffer *vb, const void *pb);
+ int (*copy_timestamp)(struct vb2_buffer *vb, const void *pb);
};
/**
@@ -436,6 +436,7 @@ struct vb2_buf_ops {
* called since poll() needs to return POLLERR in that situation.
* @is_multiplanar: set if buffer type is multiplanar
* @is_output: set if buffer type is output
+ * @copy_timestamp: set if vb2-core should set timestamps
* @last_buffer_dequeued: used in poll() and DQBUF to immediately return if the
* last decoded buffer was already dequeued. Set for capture queues
* when a buffer with the V4L2_BUF_FLAG_LAST is dequeued.
@@ -485,6 +486,7 @@ struct vb2_queue {
unsigned int waiting_for_buffers:1;
unsigned int is_multiplanar:1;
unsigned int is_output:1;
+ unsigned int copy_timestamp:1;
unsigned int last_buffer_dequeued:1;
struct vb2_fileio_data *fileio;
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 06/15] media: videobuf2: Separate vb2_poll()
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (4 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 05/15] media: videobuf2: Add copy_timestamp to struct vb2_queue Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 07/15] media: videobuf2: last_buffer_queued is set at fill_v4l2_buffer() Hans Verkuil
` (8 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media
Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Geunyoung Kim, Hans Verkuil
From: Junghak Sung <jh1009.sung@samsung.com>
Separate vb2_poll() into core and v4l2 part.
Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
---
drivers/media/v4l2-core/videobuf2-v4l2.c | 93 ++++++++++++++++++++------------
1 file changed, 59 insertions(+), 34 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index e03f700..a6945ee 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -783,7 +783,7 @@ void vb2_queue_release(struct vb2_queue *q)
EXPORT_SYMBOL_GPL(vb2_queue_release);
/**
- * vb2_poll() - implements poll userspace operation
+ * vb2_core_poll() - implements poll userspace operation
* @q: videobuf2 queue
* @file: file argument passed to the poll file operation handler
* @wait: wait argument passed to the poll file operation handler
@@ -795,33 +795,20 @@ EXPORT_SYMBOL_GPL(vb2_queue_release);
* For OUTPUT queues, if a buffer is ready to be dequeued, the file descriptor
* will be reported as available for writing.
*
- * If the driver uses struct v4l2_fh, then vb2_poll() will also check for any
- * pending events.
- *
* The return values from this function are intended to be directly returned
* from poll handler in driver.
*/
-unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
+unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file,
+ poll_table *wait)
{
- struct video_device *vfd = video_devdata(file);
unsigned long req_events = poll_requested_events(wait);
struct vb2_buffer *vb = NULL;
- unsigned int res = 0;
unsigned long flags;
- if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
- struct v4l2_fh *fh = file->private_data;
-
- if (v4l2_event_pending(fh))
- res = POLLPRI;
- else if (req_events & POLLPRI)
- poll_wait(file, &fh->wait, wait);
- }
-
if (!q->is_output && !(req_events & (POLLIN | POLLRDNORM)))
- return res;
+ return 0;
if (q->is_output && !(req_events & (POLLOUT | POLLWRNORM)))
- return res;
+ return 0;
/*
* Start file I/O emulator only if streaming API has not been used yet.
@@ -830,16 +817,16 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
if (!q->is_output && (q->io_modes & VB2_READ) &&
(req_events & (POLLIN | POLLRDNORM))) {
if (__vb2_init_fileio(q, 1))
- return res | POLLERR;
+ return POLLERR;
}
if (q->is_output && (q->io_modes & VB2_WRITE) &&
(req_events & (POLLOUT | POLLWRNORM))) {
if (__vb2_init_fileio(q, 0))
- return res | POLLERR;
+ return POLLERR;
/*
* Write to OUTPUT queue can be done immediately.
*/
- return res | POLLOUT | POLLWRNORM;
+ return POLLOUT | POLLWRNORM;
}
}
@@ -848,21 +835,14 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
* error flag is set.
*/
if (!vb2_is_streaming(q) || q->error)
- return res | POLLERR;
- /*
- * For compatibility with vb1: if QBUF hasn't been called yet, then
- * return POLLERR as well. This only affects capture queues, output
- * queues will always initialize waiting_for_buffers to false.
- */
- if (q->waiting_for_buffers)
- return res | POLLERR;
+ return POLLERR;
/*
* For output streams you can call write() as long as there are fewer
* buffers queued than there are buffers available.
*/
if (q->is_output && q->fileio && q->queued_count < q->num_buffers)
- return res | POLLOUT | POLLWRNORM;
+ return POLLOUT | POLLWRNORM;
if (list_empty(&q->done_list)) {
/*
@@ -870,7 +850,7 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
* return immediately. DQBUF will return -EPIPE.
*/
if (q->last_buffer_dequeued)
- return res | POLLIN | POLLRDNORM;
+ return POLLIN | POLLRDNORM;
poll_wait(file, &q->done_wq, wait);
}
@@ -887,10 +867,55 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
if (vb && (vb->state == VB2_BUF_STATE_DONE
|| vb->state == VB2_BUF_STATE_ERROR)) {
return (q->is_output) ?
- res | POLLOUT | POLLWRNORM :
- res | POLLIN | POLLRDNORM;
+ POLLOUT | POLLWRNORM :
+ POLLIN | POLLRDNORM;
}
- return res;
+ return 0;
+}
+
+/**
+ * vb2_poll() - implements poll userspace operation
+ * @q: videobuf2 queue
+ * @file: file argument passed to the poll file operation handler
+ * @wait: wait argument passed to the poll file operation handler
+ *
+ * This function implements poll file operation handler for a driver.
+ * For CAPTURE queues, if a buffer is ready to be dequeued, the userspace will
+ * be informed that the file descriptor of a video device is available for
+ * reading.
+ * For OUTPUT queues, if a buffer is ready to be dequeued, the file descriptor
+ * will be reported as available for writing.
+ *
+ * If the driver uses struct v4l2_fh, then vb2_poll() will also check for any
+ * pending events.
+ *
+ * The return values from this function are intended to be directly returned
+ * from poll handler in driver.
+ */
+unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
+{
+ struct video_device *vfd = video_devdata(file);
+ unsigned long req_events = poll_requested_events(wait);
+ unsigned int res = 0;
+
+ if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
+ struct v4l2_fh *fh = file->private_data;
+
+ if (v4l2_event_pending(fh))
+ res = POLLPRI;
+ else if (req_events & POLLPRI)
+ poll_wait(file, &fh->wait, wait);
+ }
+
+ /*
+ * For compatibility with vb1: if QBUF hasn't been called yet, then
+ * return POLLERR as well. This only affects capture queues, output
+ * queues will always initialize waiting_for_buffers to false.
+ */
+ if (q->waiting_for_buffers && (req_events & (POLLIN | POLLRDNORM)))
+ return POLLERR;
+
+ return res | vb2_core_poll(q, file, wait);
}
EXPORT_SYMBOL_GPL(vb2_poll);
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 07/15] media: videobuf2: last_buffer_queued is set at fill_v4l2_buffer()
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (5 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 06/15] media: videobuf2: Separate vb2_poll() Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 08/15] media: videobuf2: Refactor vb2_fileio_data and vb2_thread Hans Verkuil
` (7 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media
Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Geunyoung Kim, Hans Verkuil
From: Junghak Sung <jh1009.sung@samsung.com>
The location in which last_buffer_queued is set is moved to fill_v4l2_buffer().
So, __vb2_perform_fileio() can use vb2_core_dqbuf() instead of
vb2_internal_dqbuf().
Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
---
drivers/media/v4l2-core/videobuf2-v4l2.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index a6945ee..91728c1 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -270,6 +270,11 @@ static int __fill_v4l2_buffer(struct vb2_buffer *vb, void *pb)
if (vb2_buffer_in_use(q, vb))
b->flags |= V4L2_BUF_FLAG_MAPPED;
+ if (!q->is_output &&
+ b->flags & V4L2_BUF_FLAG_DONE &&
+ b->flags & V4L2_BUF_FLAG_LAST)
+ q->last_buffer_dequeued = true;
+
return 0;
}
@@ -617,10 +622,6 @@ static int vb2_internal_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b,
ret = vb2_core_dqbuf(q, b, nonblocking);
- if (!ret && !q->is_output &&
- b->flags & V4L2_BUF_FLAG_LAST)
- q->last_buffer_dequeued = true;
-
return ret;
}
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 08/15] media: videobuf2: Refactor vb2_fileio_data and vb2_thread
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (6 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 07/15] media: videobuf2: last_buffer_queued is set at fill_v4l2_buffer() Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 09/15] media: videobuf2: Move vb2_fileio_data and vb2_thread to core part Hans Verkuil
` (6 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media
Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Geunyoung Kim, Hans Verkuil
From: Junghak Sung <jh1009.sung@samsung.com>
Replace v4l2-stuffs with common things in struct vb2_fileio_data and
vb2_thread().
Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
---
drivers/media/v4l2-core/videobuf2-v4l2.c | 104 +++++++++++++++----------------
1 file changed, 49 insertions(+), 55 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 91728c1..9dff50f 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -959,9 +959,10 @@ struct vb2_fileio_buf {
* or write function.
*/
struct vb2_fileio_data {
- struct v4l2_requestbuffers req;
- struct v4l2_plane p;
- struct v4l2_buffer b;
+ unsigned int count;
+ unsigned int type;
+ unsigned int memory;
+ struct vb2_buffer *b;
struct vb2_fileio_buf bufs[VB2_MAX_FRAME];
unsigned int cur_index;
unsigned int initial_index;
@@ -1014,6 +1015,10 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
if (fileio == NULL)
return -ENOMEM;
+ fileio->b = kzalloc(q->buf_struct_size, GFP_KERNEL);
+ if (fileio->b == NULL)
+ return -ENOMEM;
+
fileio->read_once = q->fileio_read_once;
fileio->write_immediately = q->fileio_write_immediately;
@@ -1021,11 +1026,11 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
* Request buffers and use MMAP type to force driver
* to allocate buffers by itself.
*/
- fileio->req.count = count;
- fileio->req.memory = VB2_MEMORY_MMAP;
- fileio->req.type = q->type;
+ fileio->count = count;
+ fileio->memory = VB2_MEMORY_MMAP;
+ fileio->type = q->type;
q->fileio = fileio;
- ret = vb2_core_reqbufs(q, fileio->req.memory, &fileio->req.count);
+ ret = vb2_core_reqbufs(q, fileio->memory, &fileio->count);
if (ret)
goto err_kfree;
@@ -1054,24 +1059,17 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
* Read mode requires pre queuing of all buffers.
*/
if (read) {
- bool is_multiplanar = q->is_multiplanar;
-
/*
* Queue all buffers.
*/
for (i = 0; i < q->num_buffers; i++) {
- struct v4l2_buffer *b = &fileio->b;
+ struct vb2_buffer *b = fileio->b;
- memset(b, 0, sizeof(*b));
+ memset(b, 0, q->buf_struct_size);
b->type = q->type;
- if (is_multiplanar) {
- memset(&fileio->p, 0, sizeof(fileio->p));
- b->m.planes = &fileio->p;
- b->length = 1;
- }
b->memory = q->memory;
b->index = i;
- ret = vb2_internal_qbuf(q, b);
+ ret = vb2_core_qbuf(q, i, b);
if (ret)
goto err_reqbufs;
fileio->bufs[i].queued = 1;
@@ -1094,8 +1092,8 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
return ret;
err_reqbufs:
- fileio->req.count = 0;
- vb2_core_reqbufs(q, fileio->req.memory, &fileio->req.count);
+ fileio->count = 0;
+ vb2_core_reqbufs(q, fileio->memory, &fileio->count);
err_kfree:
q->fileio = NULL;
@@ -1114,8 +1112,9 @@ static int __vb2_cleanup_fileio(struct vb2_queue *q)
if (fileio) {
vb2_core_streamoff(q, q->type);
q->fileio = NULL;
- fileio->req.count = 0;
- vb2_reqbufs(q, &fileio->req);
+ fileio->count = 0;
+ vb2_core_reqbufs(q, fileio->memory, &fileio->count);
+ kfree(fileio->b);
kfree(fileio);
dprintk(3, "file io emulator closed\n");
}
@@ -1168,24 +1167,21 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_
*/
index = fileio->cur_index;
if (index >= q->num_buffers) {
+ struct vb2_buffer *b = fileio->b;
+
/*
* Call vb2_dqbuf to get buffer back.
*/
- memset(&fileio->b, 0, sizeof(fileio->b));
- fileio->b.type = q->type;
- fileio->b.memory = q->memory;
- if (is_multiplanar) {
- memset(&fileio->p, 0, sizeof(fileio->p));
- fileio->b.m.planes = &fileio->p;
- fileio->b.length = 1;
- }
- ret = vb2_internal_dqbuf(q, &fileio->b, nonblock);
+ memset(b, 0, q->buf_struct_size);
+ b->type = q->type;
+ b->memory = q->memory;
+ ret = vb2_core_dqbuf(q, b, nonblock);
dprintk(5, "vb2_dqbuf result: %d\n", ret);
if (ret)
return ret;
fileio->dq_count += 1;
- fileio->cur_index = index = fileio->b.index;
+ fileio->cur_index = index = b->index;
buf = &fileio->bufs[index];
/*
@@ -1197,8 +1193,8 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_
: vb2_plane_size(q->bufs[index], 0);
/* Compensate for data_offset on read in the multiplanar case. */
if (is_multiplanar && read &&
- fileio->b.m.planes[0].data_offset < buf->size) {
- buf->pos = fileio->b.m.planes[0].data_offset;
+ b->planes[0].data_offset < buf->size) {
+ buf->pos = b->planes[0].data_offset;
buf->size -= buf->pos;
}
} else {
@@ -1237,6 +1233,8 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_
* Queue next buffer if required.
*/
if (buf->pos == buf->size || (!read && fileio->write_immediately)) {
+ struct vb2_buffer *b = fileio->b;
+
/*
* Check if this is the last buffer to read.
*/
@@ -1248,20 +1246,15 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_
/*
* Call vb2_qbuf and give buffer to the driver.
*/
- memset(&fileio->b, 0, sizeof(fileio->b));
- fileio->b.type = q->type;
- fileio->b.memory = q->memory;
- fileio->b.index = index;
- fileio->b.bytesused = buf->pos;
- if (is_multiplanar) {
- memset(&fileio->p, 0, sizeof(fileio->p));
- fileio->p.bytesused = buf->pos;
- fileio->b.m.planes = &fileio->p;
- fileio->b.length = 1;
- }
+ memset(b, 0, q->buf_struct_size);
+ b->type = q->type;
+ b->memory = q->memory;
+ b->index = index;
+ b->planes[0].bytesused = buf->pos;
+
if (copy_timestamp)
- v4l2_get_timestamp(&fileio->b.timestamp);
- ret = vb2_internal_qbuf(q, &fileio->b);
+ b->timestamp = ktime_get_ns();
+ ret = vb2_core_qbuf(q, index, b);
dprintk(5, "vb2_dbuf result: %d\n", ret);
if (ret)
return ret;
@@ -1338,20 +1331,21 @@ static int vb2_thread(void *data)
for (;;) {
struct vb2_buffer *vb;
+ struct vb2_buffer *b = fileio->b;
/*
* Call vb2_dqbuf to get buffer back.
*/
- memset(&fileio->b, 0, sizeof(fileio->b));
- fileio->b.type = q->type;
- fileio->b.memory = q->memory;
+ memset(b, 0, q->buf_struct_size);
+ b->type = q->type;
+ b->memory = q->memory;
if (prequeue) {
- fileio->b.index = index++;
+ b->index = index++;
prequeue--;
} else {
call_void_qop(q, wait_finish, q);
if (!threadio->stop)
- ret = vb2_internal_dqbuf(q, &fileio->b, 0);
+ ret = vb2_core_dqbuf(q, b, 0);
call_void_qop(q, wait_prepare, q);
dprintk(5, "file io: vb2_dqbuf result: %d\n", ret);
}
@@ -1359,15 +1353,15 @@ static int vb2_thread(void *data)
break;
try_to_freeze();
- vb = q->bufs[fileio->b.index];
- if (!(fileio->b.flags & V4L2_BUF_FLAG_ERROR))
+ vb = q->bufs[b->index];
+ if (b->state == VB2_BUF_STATE_DONE)
if (threadio->fnc(vb, threadio->priv))
break;
call_void_qop(q, wait_finish, q);
if (copy_timestamp)
- v4l2_get_timestamp(&fileio->b.timestamp);
+ b->timestamp = ktime_get_ns();
if (!threadio->stop)
- ret = vb2_internal_qbuf(q, &fileio->b);
+ ret = vb2_core_qbuf(q, b->index, b);
call_void_qop(q, wait_prepare, q);
if (ret || threadio->stop)
break;
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 09/15] media: videobuf2: Move vb2_fileio_data and vb2_thread to core part
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (7 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 08/15] media: videobuf2: Refactor vb2_fileio_data and vb2_thread Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 10/15] videobuf2-core.c: update module description Hans Verkuil
` (5 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media
Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Geunyoung Kim, Hans Verkuil
From: Junghak Sung <jh1009.sung@samsung.com>
Move things related with vb2 file I/O and vb2_thread without doing any
functional changes. After that, videobuf2-internal.h is removed because
it is not necessary any more.
Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 770 ++++++++++++++++++++++++++-
drivers/media/v4l2-core/videobuf2-internal.h | 161 ------
drivers/media/v4l2-core/videobuf2-v4l2.c | 623 +---------------------
include/media/videobuf2-core.h | 43 ++
include/media/videobuf2-v4l2.h | 38 +-
5 files changed, 817 insertions(+), 818 deletions(-)
delete mode 100644 drivers/media/v4l2-core/videobuf2-internal.h
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index bd96fb8..d7e0ab3 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -28,11 +28,155 @@
#include <trace/events/vb2.h>
-#include "videobuf2-internal.h"
+static int debug;
+module_param(debug, int, 0644);
-int vb2_debug;
-EXPORT_SYMBOL_GPL(vb2_debug);
-module_param_named(debug, vb2_debug, int, 0644);
+#define dprintk(level, fmt, arg...) \
+ do { \
+ if (debug >= level) \
+ pr_info("vb2-core: %s: " fmt, __func__, ## arg); \
+ } while (0)
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+
+/*
+ * If advanced debugging is on, then count how often each op is called
+ * successfully, which can either be per-buffer or per-queue.
+ *
+ * This makes it easy to check that the 'init' and 'cleanup'
+ * (and variations thereof) stay balanced.
+ */
+
+#define log_memop(vb, op) \
+ dprintk(2, "call_memop(%p, %d, %s)%s\n", \
+ (vb)->vb2_queue, (vb)->index, #op, \
+ (vb)->vb2_queue->mem_ops->op ? "" : " (nop)")
+
+#define call_memop(vb, op, args...) \
+({ \
+ struct vb2_queue *_q = (vb)->vb2_queue; \
+ int err; \
+ \
+ log_memop(vb, op); \
+ err = _q->mem_ops->op ? _q->mem_ops->op(args) : 0; \
+ if (!err) \
+ (vb)->cnt_mem_ ## op++; \
+ err; \
+})
+
+#define call_ptr_memop(vb, op, args...) \
+({ \
+ struct vb2_queue *_q = (vb)->vb2_queue; \
+ void *ptr; \
+ \
+ log_memop(vb, op); \
+ ptr = _q->mem_ops->op ? _q->mem_ops->op(args) : NULL; \
+ if (!IS_ERR_OR_NULL(ptr)) \
+ (vb)->cnt_mem_ ## op++; \
+ ptr; \
+})
+
+#define call_void_memop(vb, op, args...) \
+({ \
+ struct vb2_queue *_q = (vb)->vb2_queue; \
+ \
+ log_memop(vb, op); \
+ if (_q->mem_ops->op) \
+ _q->mem_ops->op(args); \
+ (vb)->cnt_mem_ ## op++; \
+})
+
+#define log_qop(q, op) \
+ dprintk(2, "call_qop(%p, %s)%s\n", q, #op, \
+ (q)->ops->op ? "" : " (nop)")
+
+#define call_qop(q, op, args...) \
+({ \
+ int err; \
+ \
+ log_qop(q, op); \
+ err = (q)->ops->op ? (q)->ops->op(args) : 0; \
+ if (!err) \
+ (q)->cnt_ ## op++; \
+ err; \
+})
+
+#define call_void_qop(q, op, args...) \
+({ \
+ log_qop(q, op); \
+ if ((q)->ops->op) \
+ (q)->ops->op(args); \
+ (q)->cnt_ ## op++; \
+})
+
+#define log_vb_qop(vb, op, args...) \
+ dprintk(2, "call_vb_qop(%p, %d, %s)%s\n", \
+ (vb)->vb2_queue, (vb)->index, #op, \
+ (vb)->vb2_queue->ops->op ? "" : " (nop)")
+
+#define call_vb_qop(vb, op, args...) \
+({ \
+ int err; \
+ \
+ log_vb_qop(vb, op); \
+ err = (vb)->vb2_queue->ops->op ? \
+ (vb)->vb2_queue->ops->op(args) : 0; \
+ if (!err) \
+ (vb)->cnt_ ## op++; \
+ err; \
+})
+
+#define call_void_vb_qop(vb, op, args...) \
+({ \
+ log_vb_qop(vb, op); \
+ if ((vb)->vb2_queue->ops->op) \
+ (vb)->vb2_queue->ops->op(args); \
+ (vb)->cnt_ ## op++; \
+})
+
+#else
+
+#define call_memop(vb, op, args...) \
+ ((vb)->vb2_queue->mem_ops->op ? \
+ (vb)->vb2_queue->mem_ops->op(args) : 0)
+
+#define call_ptr_memop(vb, op, args...) \
+ ((vb)->vb2_queue->mem_ops->op ? \
+ (vb)->vb2_queue->mem_ops->op(args) : NULL)
+
+#define call_void_memop(vb, op, args...) \
+ do { \
+ if ((vb)->vb2_queue->mem_ops->op) \
+ (vb)->vb2_queue->mem_ops->op(args); \
+ } while (0)
+
+#define call_qop(q, op, args...) \
+ ((q)->ops->op ? (q)->ops->op(args) : 0)
+
+#define call_void_qop(q, op, args...) \
+ do { \
+ if ((q)->ops->op) \
+ (q)->ops->op(args); \
+ } while (0)
+
+#define call_vb_qop(vb, op, args...) \
+ ((vb)->vb2_queue->ops->op ? (vb)->vb2_queue->ops->op(args) : 0)
+
+#define call_void_vb_qop(vb, op, args...) \
+ do { \
+ if ((vb)->vb2_queue->ops->op) \
+ (vb)->vb2_queue->ops->op(args); \
+ } while (0)
+
+#endif
+
+#define call_bufop(q, op, args...) \
+({ \
+ int ret = 0; \
+ if (q && q->buf_ops && q->buf_ops->op) \
+ ret = q->buf_ops->op(args); \
+ ret; \
+})
static void __vb2_queue_cancel(struct vb2_queue *q);
static void __enqueue_in_driver(struct vb2_buffer *vb);
@@ -330,7 +474,7 @@ static int __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
bool unbalanced = q->cnt_start_streaming != q->cnt_stop_streaming ||
q->cnt_wait_prepare != q->cnt_wait_finish;
- if (unbalanced || vb2_debug) {
+ if (unbalanced || debug) {
pr_info("vb2: counters for queue %p:%s\n", q,
unbalanced ? " UNBALANCED!" : "");
pr_info("vb2: setup: %u start_streaming: %u stop_streaming: %u\n",
@@ -356,7 +500,7 @@ static int __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
vb->cnt_buf_prepare != vb->cnt_buf_finish ||
vb->cnt_buf_init != vb->cnt_buf_cleanup;
- if (unbalanced || vb2_debug) {
+ if (unbalanced || debug) {
pr_info("vb2: counters for queue %p, buffer %d:%s\n",
q, buffer, unbalanced ? " UNBALANCED!" : "");
pr_info("vb2: buf_init: %u buf_cleanup: %u buf_prepare: %u buf_finish: %u\n",
@@ -2086,6 +2230,8 @@ int vb2_core_queue_init(struct vb2_queue *q)
}
EXPORT_SYMBOL_GPL(vb2_core_queue_init);
+static int __vb2_init_fileio(struct vb2_queue *q, int read);
+static int __vb2_cleanup_fileio(struct vb2_queue *q);
/**
* vb2_core_queue_release() - stop streaming, release the queue and free memory
* @q: videobuf2 queue
@@ -2096,6 +2242,7 @@ EXPORT_SYMBOL_GPL(vb2_core_queue_init);
*/
void vb2_core_queue_release(struct vb2_queue *q)
{
+ __vb2_cleanup_fileio(q);
__vb2_queue_cancel(q);
mutex_lock(&q->mmap_lock);
__vb2_queue_free(q, q->num_buffers);
@@ -2103,6 +2250,617 @@ void vb2_core_queue_release(struct vb2_queue *q)
}
EXPORT_SYMBOL_GPL(vb2_core_queue_release);
+/**
+ * vb2_core_poll() - implements poll userspace operation
+ * @q: videobuf2 queue
+ * @file: file argument passed to the poll file operation handler
+ * @wait: wait argument passed to the poll file operation handler
+ *
+ * This function implements poll file operation handler for a driver.
+ * For CAPTURE queues, if a buffer is ready to be dequeued, the userspace will
+ * be informed that the file descriptor of a video device is available for
+ * reading.
+ * For OUTPUT queues, if a buffer is ready to be dequeued, the file descriptor
+ * will be reported as available for writing.
+ *
+ * The return values from this function are intended to be directly returned
+ * from poll handler in driver.
+ */
+unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file,
+ poll_table *wait)
+{
+ unsigned long req_events = poll_requested_events(wait);
+ struct vb2_buffer *vb = NULL;
+ unsigned long flags;
+
+ if (!q->is_output && !(req_events & (POLLIN | POLLRDNORM)))
+ return 0;
+ if (q->is_output && !(req_events & (POLLOUT | POLLWRNORM)))
+ return 0;
+
+ /*
+ * Start file I/O emulator only if streaming API has not been used yet.
+ */
+ if (q->num_buffers == 0 && !vb2_fileio_is_active(q)) {
+ if (!q->is_output && (q->io_modes & VB2_READ) &&
+ (req_events & (POLLIN | POLLRDNORM))) {
+ if (__vb2_init_fileio(q, 1))
+ return POLLERR;
+ }
+ if (q->is_output && (q->io_modes & VB2_WRITE) &&
+ (req_events & (POLLOUT | POLLWRNORM))) {
+ if (__vb2_init_fileio(q, 0))
+ return POLLERR;
+ /*
+ * Write to OUTPUT queue can be done immediately.
+ */
+ return POLLOUT | POLLWRNORM;
+ }
+ }
+
+ /*
+ * There is nothing to wait for if the queue isn't streaming, or if the
+ * error flag is set.
+ */
+ if (!vb2_is_streaming(q) || q->error)
+ return POLLERR;
+
+ /*
+ * For output streams you can call write() as long as there are fewer
+ * buffers queued than there are buffers available.
+ */
+ if (q->is_output && q->fileio && q->queued_count < q->num_buffers)
+ return POLLOUT | POLLWRNORM;
+
+ if (list_empty(&q->done_list)) {
+ /*
+ * If the last buffer was dequeued from a capture queue,
+ * return immediately. DQBUF will return -EPIPE.
+ */
+ if (q->last_buffer_dequeued)
+ return POLLIN | POLLRDNORM;
+
+ poll_wait(file, &q->done_wq, wait);
+ }
+
+ /*
+ * Take first buffer available for dequeuing.
+ */
+ spin_lock_irqsave(&q->done_lock, flags);
+ if (!list_empty(&q->done_list))
+ vb = list_first_entry(&q->done_list, struct vb2_buffer,
+ done_entry);
+ spin_unlock_irqrestore(&q->done_lock, flags);
+
+ if (vb && (vb->state == VB2_BUF_STATE_DONE
+ || vb->state == VB2_BUF_STATE_ERROR)) {
+ return (q->is_output) ?
+ POLLOUT | POLLWRNORM :
+ POLLIN | POLLRDNORM;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(vb2_core_poll);
+
+/**
+ * struct vb2_fileio_buf - buffer context used by file io emulator
+ *
+ * vb2 provides a compatibility layer and emulator of file io (read and
+ * write) calls on top of streaming API. This structure is used for
+ * tracking context related to the buffers.
+ */
+struct vb2_fileio_buf {
+ void *vaddr;
+ unsigned int size;
+ unsigned int pos;
+ unsigned int queued:1;
+};
+
+/**
+ * struct vb2_fileio_data - queue context used by file io emulator
+ *
+ * @cur_index: the index of the buffer currently being read from or
+ * written to. If equal to q->num_buffers then a new buffer
+ * must be dequeued.
+ * @initial_index: in the read() case all buffers are queued up immediately
+ * in __vb2_init_fileio() and __vb2_perform_fileio() just cycles
+ * buffers. However, in the write() case no buffers are initially
+ * queued, instead whenever a buffer is full it is queued up by
+ * __vb2_perform_fileio(). Only once all available buffers have
+ * been queued up will __vb2_perform_fileio() start to dequeue
+ * buffers. This means that initially __vb2_perform_fileio()
+ * needs to know what buffer index to use when it is queuing up
+ * the buffers for the first time. That initial index is stored
+ * in this field. Once it is equal to q->num_buffers all
+ * available buffers have been queued and __vb2_perform_fileio()
+ * should start the normal dequeue/queue cycle.
+ *
+ * vb2 provides a compatibility layer and emulator of file io (read and
+ * write) calls on top of streaming API. For proper operation it required
+ * this structure to save the driver state between each call of the read
+ * or write function.
+ */
+struct vb2_fileio_data {
+ unsigned int count;
+ unsigned int type;
+ unsigned int memory;
+ struct vb2_buffer *b;
+ struct vb2_fileio_buf bufs[VB2_MAX_FRAME];
+ unsigned int cur_index;
+ unsigned int initial_index;
+ unsigned int q_count;
+ unsigned int dq_count;
+ unsigned read_once:1;
+ unsigned write_immediately:1;
+};
+
+/**
+ * __vb2_init_fileio() - initialize file io emulator
+ * @q: videobuf2 queue
+ * @read: mode selector (1 means read, 0 means write)
+ */
+static int __vb2_init_fileio(struct vb2_queue *q, int read)
+{
+ struct vb2_fileio_data *fileio;
+ int i, ret;
+ unsigned int count = 0;
+
+ /*
+ * Sanity check
+ */
+ if (WARN_ON((read && !(q->io_modes & VB2_READ)) ||
+ (!read && !(q->io_modes & VB2_WRITE))))
+ return -EINVAL;
+
+ /*
+ * Check if device supports mapping buffers to kernel virtual space.
+ */
+ if (!q->mem_ops->vaddr)
+ return -EBUSY;
+
+ /*
+ * Check if streaming api has not been already activated.
+ */
+ if (q->streaming || q->num_buffers > 0)
+ return -EBUSY;
+
+ /*
+ * Start with count 1, driver can increase it in queue_setup()
+ */
+ count = 1;
+
+ dprintk(3, "setting up file io: mode %s, count %d, read_once %d, write_immediately %d\n",
+ (read) ? "read" : "write", count, q->fileio_read_once,
+ q->fileio_write_immediately);
+
+ fileio = kzalloc(sizeof(struct vb2_fileio_data), GFP_KERNEL);
+ if (fileio == NULL)
+ return -ENOMEM;
+
+ fileio->b = kzalloc(q->buf_struct_size, GFP_KERNEL);
+ if (fileio->b == NULL)
+ return -ENOMEM;
+
+ fileio->read_once = q->fileio_read_once;
+ fileio->write_immediately = q->fileio_write_immediately;
+
+ /*
+ * Request buffers and use MMAP type to force driver
+ * to allocate buffers by itself.
+ */
+ fileio->count = count;
+ fileio->memory = VB2_MEMORY_MMAP;
+ fileio->type = q->type;
+ q->fileio = fileio;
+ ret = vb2_core_reqbufs(q, fileio->memory, &fileio->count);
+ if (ret)
+ goto err_kfree;
+
+ /*
+ * Check if plane_count is correct
+ * (multiplane buffers are not supported).
+ */
+ if (q->bufs[0]->num_planes != 1) {
+ ret = -EBUSY;
+ goto err_reqbufs;
+ }
+
+ /*
+ * Get kernel address of each buffer.
+ */
+ for (i = 0; i < q->num_buffers; i++) {
+ fileio->bufs[i].vaddr = vb2_plane_vaddr(q->bufs[i], 0);
+ if (fileio->bufs[i].vaddr == NULL) {
+ ret = -EINVAL;
+ goto err_reqbufs;
+ }
+ fileio->bufs[i].size = vb2_plane_size(q->bufs[i], 0);
+ }
+
+ /*
+ * Read mode requires pre queuing of all buffers.
+ */
+ if (read) {
+ /*
+ * Queue all buffers.
+ */
+ for (i = 0; i < q->num_buffers; i++) {
+ struct vb2_buffer *b = fileio->b;
+
+ memset(b, 0, q->buf_struct_size);
+ b->type = q->type;
+ b->memory = q->memory;
+ b->index = i;
+ ret = vb2_core_qbuf(q, i, b);
+ if (ret)
+ goto err_reqbufs;
+ fileio->bufs[i].queued = 1;
+ }
+ /*
+ * All buffers have been queued, so mark that by setting
+ * initial_index to q->num_buffers
+ */
+ fileio->initial_index = q->num_buffers;
+ fileio->cur_index = q->num_buffers;
+ }
+
+ /*
+ * Start streaming.
+ */
+ ret = vb2_core_streamon(q, q->type);
+ if (ret)
+ goto err_reqbufs;
+
+ return ret;
+
+err_reqbufs:
+ fileio->count = 0;
+ vb2_core_reqbufs(q, fileio->memory, &fileio->count);
+
+err_kfree:
+ q->fileio = NULL;
+ kfree(fileio);
+ return ret;
+}
+
+/**
+ * __vb2_cleanup_fileio() - free resourced used by file io emulator
+ * @q: videobuf2 queue
+ */
+static int __vb2_cleanup_fileio(struct vb2_queue *q)
+{
+ struct vb2_fileio_data *fileio = q->fileio;
+
+ if (fileio) {
+ vb2_core_streamoff(q, q->type);
+ q->fileio = NULL;
+ fileio->count = 0;
+ vb2_core_reqbufs(q, fileio->memory, &fileio->count);
+ kfree(fileio->b);
+ kfree(fileio);
+ dprintk(3, "file io emulator closed\n");
+ }
+ return 0;
+}
+
+/**
+ * __vb2_perform_fileio() - perform a single file io (read or write) operation
+ * @q: videobuf2 queue
+ * @data: pointed to target userspace buffer
+ * @count: number of bytes to read or write
+ * @ppos: file handle position tracking pointer
+ * @nonblock: mode selector (1 means blocking calls, 0 means nonblocking)
+ * @read: access mode selector (1 means read, 0 means write)
+ */
+static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_t count,
+ loff_t *ppos, int nonblock, int read)
+{
+ struct vb2_fileio_data *fileio;
+ struct vb2_fileio_buf *buf;
+ bool is_multiplanar = q->is_multiplanar;
+ /*
+ * When using write() to write data to an output video node the vb2 core
+ * should copy timestamps if V4L2_BUF_FLAG_TIMESTAMP_COPY is set. Nobody
+ * else is able to provide this information with the write() operation.
+ */
+ bool copy_timestamp = !read && q->copy_timestamp;
+ int ret, index;
+
+ dprintk(3, "mode %s, offset %ld, count %zd, %sblocking\n",
+ read ? "read" : "write", (long)*ppos, count,
+ nonblock ? "non" : "");
+
+ if (!data)
+ return -EINVAL;
+
+ /*
+ * Initialize emulator on first call.
+ */
+ if (!vb2_fileio_is_active(q)) {
+ ret = __vb2_init_fileio(q, read);
+ dprintk(3, "vb2_init_fileio result: %d\n", ret);
+ if (ret)
+ return ret;
+ }
+ fileio = q->fileio;
+
+ /*
+ * Check if we need to dequeue the buffer.
+ */
+ index = fileio->cur_index;
+ if (index >= q->num_buffers) {
+ struct vb2_buffer *b = fileio->b;
+
+ /*
+ * Call vb2_dqbuf to get buffer back.
+ */
+ memset(b, 0, q->buf_struct_size);
+ b->type = q->type;
+ b->memory = q->memory;
+ ret = vb2_core_dqbuf(q, b, nonblock);
+ dprintk(5, "vb2_dqbuf result: %d\n", ret);
+ if (ret)
+ return ret;
+ fileio->dq_count += 1;
+
+ fileio->cur_index = index = b->index;
+ buf = &fileio->bufs[index];
+
+ /*
+ * Get number of bytes filled by the driver
+ */
+ buf->pos = 0;
+ buf->queued = 0;
+ buf->size = read ? vb2_get_plane_payload(q->bufs[index], 0)
+ : vb2_plane_size(q->bufs[index], 0);
+ /* Compensate for data_offset on read in the multiplanar case. */
+ if (is_multiplanar && read &&
+ b->planes[0].data_offset < buf->size) {
+ buf->pos = b->planes[0].data_offset;
+ buf->size -= buf->pos;
+ }
+ } else {
+ buf = &fileio->bufs[index];
+ }
+
+ /*
+ * Limit count on last few bytes of the buffer.
+ */
+ if (buf->pos + count > buf->size) {
+ count = buf->size - buf->pos;
+ dprintk(5, "reducing read count: %zd\n", count);
+ }
+
+ /*
+ * Transfer data to userspace.
+ */
+ dprintk(3, "copying %zd bytes - buffer %d, offset %u\n",
+ count, index, buf->pos);
+ if (read)
+ ret = copy_to_user(data, buf->vaddr + buf->pos, count);
+ else
+ ret = copy_from_user(buf->vaddr + buf->pos, data, count);
+ if (ret) {
+ dprintk(3, "error copying data\n");
+ return -EFAULT;
+ }
+
+ /*
+ * Update counters.
+ */
+ buf->pos += count;
+ *ppos += count;
+
+ /*
+ * Queue next buffer if required.
+ */
+ if (buf->pos == buf->size || (!read && fileio->write_immediately)) {
+ struct vb2_buffer *b = fileio->b;
+
+ /*
+ * Check if this is the last buffer to read.
+ */
+ if (read && fileio->read_once && fileio->dq_count == 1) {
+ dprintk(3, "read limit reached\n");
+ return __vb2_cleanup_fileio(q);
+ }
+
+ /*
+ * Call vb2_qbuf and give buffer to the driver.
+ */
+ memset(b, 0, q->buf_struct_size);
+ b->type = q->type;
+ b->memory = q->memory;
+ b->index = index;
+ b->planes[0].bytesused = buf->pos;
+
+ if (copy_timestamp)
+ b->timestamp = ktime_get_ns();
+ ret = vb2_core_qbuf(q, index, b);
+ dprintk(5, "vb2_dbuf result: %d\n", ret);
+ if (ret)
+ return ret;
+
+ /*
+ * Buffer has been queued, update the status
+ */
+ buf->pos = 0;
+ buf->queued = 1;
+ buf->size = vb2_plane_size(q->bufs[index], 0);
+ fileio->q_count += 1;
+ /*
+ * If we are queuing up buffers for the first time, then
+ * increase initial_index by one.
+ */
+ if (fileio->initial_index < q->num_buffers)
+ fileio->initial_index++;
+ /*
+ * The next buffer to use is either a buffer that's going to be
+ * queued for the first time (initial_index < q->num_buffers)
+ * or it is equal to q->num_buffers, meaning that the next
+ * time we need to dequeue a buffer since we've now queued up
+ * all the 'first time' buffers.
+ */
+ fileio->cur_index = fileio->initial_index;
+ }
+
+ /*
+ * Return proper number of bytes processed.
+ */
+ if (ret == 0)
+ ret = count;
+ return ret;
+}
+
+size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count,
+ loff_t *ppos, int nonblocking)
+{
+ return __vb2_perform_fileio(q, data, count, ppos, nonblocking, 1);
+}
+EXPORT_SYMBOL_GPL(vb2_read);
+
+size_t vb2_write(struct vb2_queue *q, const char __user *data, size_t count,
+ loff_t *ppos, int nonblocking)
+{
+ return __vb2_perform_fileio(q, (char __user *) data, count,
+ ppos, nonblocking, 0);
+}
+EXPORT_SYMBOL_GPL(vb2_write);
+
+struct vb2_threadio_data {
+ struct task_struct *thread;
+ vb2_thread_fnc fnc;
+ void *priv;
+ bool stop;
+};
+
+static int vb2_thread(void *data)
+{
+ struct vb2_queue *q = data;
+ struct vb2_threadio_data *threadio = q->threadio;
+ struct vb2_fileio_data *fileio = q->fileio;
+ bool copy_timestamp = false;
+ int prequeue = 0;
+ int index = 0;
+ int ret = 0;
+
+ if (q->is_output) {
+ prequeue = q->num_buffers;
+ copy_timestamp = q->copy_timestamp;
+ }
+
+ set_freezable();
+
+ for (;;) {
+ struct vb2_buffer *vb;
+ struct vb2_buffer *b = fileio->b;
+
+ /*
+ * Call vb2_dqbuf to get buffer back.
+ */
+ memset(b, 0, q->buf_struct_size);
+ b->type = q->type;
+ b->memory = q->memory;
+ if (prequeue) {
+ b->index = index++;
+ prequeue--;
+ } else {
+ call_void_qop(q, wait_finish, q);
+ if (!threadio->stop)
+ ret = vb2_core_dqbuf(q, b, 0);
+ call_void_qop(q, wait_prepare, q);
+ dprintk(5, "file io: vb2_dqbuf result: %d\n", ret);
+ }
+ if (ret || threadio->stop)
+ break;
+ try_to_freeze();
+
+ vb = q->bufs[b->index];
+ if (b->state == VB2_BUF_STATE_DONE)
+ if (threadio->fnc(vb, threadio->priv))
+ break;
+ call_void_qop(q, wait_finish, q);
+ if (copy_timestamp)
+ b->timestamp = ktime_get_ns();;
+ if (!threadio->stop)
+ ret = vb2_core_qbuf(q, b->index, b);
+ call_void_qop(q, wait_prepare, q);
+ if (ret || threadio->stop)
+ break;
+ }
+
+ /* Hmm, linux becomes *very* unhappy without this ... */
+ while (!kthread_should_stop()) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule();
+ }
+ return 0;
+}
+
+/*
+ * This function should not be used for anything else but the videobuf2-dvb
+ * support. If you think you have another good use-case for this, then please
+ * contact the linux-media mailinglist first.
+ */
+int vb2_thread_start(struct vb2_queue *q, vb2_thread_fnc fnc, void *priv,
+ const char *thread_name)
+{
+ struct vb2_threadio_data *threadio;
+ int ret = 0;
+
+ if (q->threadio)
+ return -EBUSY;
+ if (vb2_is_busy(q))
+ return -EBUSY;
+ if (WARN_ON(q->fileio))
+ return -EBUSY;
+
+ threadio = kzalloc(sizeof(*threadio), GFP_KERNEL);
+ if (threadio == NULL)
+ return -ENOMEM;
+ threadio->fnc = fnc;
+ threadio->priv = priv;
+
+ ret = __vb2_init_fileio(q, !q->is_output);
+ dprintk(3, "file io: vb2_init_fileio result: %d\n", ret);
+ if (ret)
+ goto nomem;
+ q->threadio = threadio;
+ threadio->thread = kthread_run(vb2_thread, q, "vb2-%s", thread_name);
+ if (IS_ERR(threadio->thread)) {
+ ret = PTR_ERR(threadio->thread);
+ threadio->thread = NULL;
+ goto nothread;
+ }
+ return 0;
+
+nothread:
+ __vb2_cleanup_fileio(q);
+nomem:
+ kfree(threadio);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(vb2_thread_start);
+
+int vb2_thread_stop(struct vb2_queue *q)
+{
+ struct vb2_threadio_data *threadio = q->threadio;
+ int err;
+
+ if (threadio == NULL)
+ return 0;
+ threadio->stop = true;
+ /* Wake up all pending sleeps in the thread */
+ vb2_queue_error(q);
+ err = kthread_stop(threadio->thread);
+ __vb2_cleanup_fileio(q);
+ threadio->thread = NULL;
+ kfree(threadio);
+ q->threadio = NULL;
+ return err;
+}
+EXPORT_SYMBOL_GPL(vb2_thread_stop);
+
MODULE_DESCRIPTION("Driver helper framework for Video for Linux 2");
MODULE_AUTHOR("Pawel Osciak <pawel@osciak.com>, Marek Szyprowski");
MODULE_LICENSE("GPL");
diff --git a/drivers/media/v4l2-core/videobuf2-internal.h b/drivers/media/v4l2-core/videobuf2-internal.h
deleted file mode 100644
index 79018c7..0000000
--- a/drivers/media/v4l2-core/videobuf2-internal.h
+++ /dev/null
@@ -1,161 +0,0 @@
-#ifndef _MEDIA_VIDEOBUF2_INTERNAL_H
-#define _MEDIA_VIDEOBUF2_INTERNAL_H
-
-#include <linux/err.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <media/videobuf2-core.h>
-
-extern int vb2_debug;
-
-#define dprintk(level, fmt, arg...) \
- do { \
- if (vb2_debug >= level) \
- pr_info("vb2: %s: " fmt, __func__, ## arg); \
- } while (0)
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-
-/*
- * If advanced debugging is on, then count how often each op is called
- * successfully, which can either be per-buffer or per-queue.
- *
- * This makes it easy to check that the 'init' and 'cleanup'
- * (and variations thereof) stay balanced.
- */
-
-#define log_memop(vb, op) \
- dprintk(2, "call_memop(%p, %d, %s)%s\n", \
- (vb)->vb2_queue, (vb)->index, #op, \
- (vb)->vb2_queue->mem_ops->op ? "" : " (nop)")
-
-#define call_memop(vb, op, args...) \
-({ \
- struct vb2_queue *_q = (vb)->vb2_queue; \
- int err; \
- \
- log_memop(vb, op); \
- err = _q->mem_ops->op ? _q->mem_ops->op(args) : 0; \
- if (!err) \
- (vb)->cnt_mem_ ## op++; \
- err; \
-})
-
-#define call_ptr_memop(vb, op, args...) \
-({ \
- struct vb2_queue *_q = (vb)->vb2_queue; \
- void *ptr; \
- \
- log_memop(vb, op); \
- ptr = _q->mem_ops->op ? _q->mem_ops->op(args) : NULL; \
- if (!IS_ERR_OR_NULL(ptr)) \
- (vb)->cnt_mem_ ## op++; \
- ptr; \
-})
-
-#define call_void_memop(vb, op, args...) \
-({ \
- struct vb2_queue *_q = (vb)->vb2_queue; \
- \
- log_memop(vb, op); \
- if (_q->mem_ops->op) \
- _q->mem_ops->op(args); \
- (vb)->cnt_mem_ ## op++; \
-})
-
-#define log_qop(q, op) \
- dprintk(2, "call_qop(%p, %s)%s\n", q, #op, \
- (q)->ops->op ? "" : " (nop)")
-
-#define call_qop(q, op, args...) \
-({ \
- int err; \
- \
- log_qop(q, op); \
- err = (q)->ops->op ? (q)->ops->op(args) : 0; \
- if (!err) \
- (q)->cnt_ ## op++; \
- err; \
-})
-
-#define call_void_qop(q, op, args...) \
-({ \
- log_qop(q, op); \
- if ((q)->ops->op) \
- (q)->ops->op(args); \
- (q)->cnt_ ## op++; \
-})
-
-#define log_vb_qop(vb, op, args...) \
- dprintk(2, "call_vb_qop(%p, %d, %s)%s\n", \
- (vb)->vb2_queue, (vb)->index, #op, \
- (vb)->vb2_queue->ops->op ? "" : " (nop)")
-
-#define call_vb_qop(vb, op, args...) \
-({ \
- int err; \
- \
- log_vb_qop(vb, op); \
- err = (vb)->vb2_queue->ops->op ? \
- (vb)->vb2_queue->ops->op(args) : 0; \
- if (!err) \
- (vb)->cnt_ ## op++; \
- err; \
-})
-
-#define call_void_vb_qop(vb, op, args...) \
-({ \
- log_vb_qop(vb, op); \
- if ((vb)->vb2_queue->ops->op) \
- (vb)->vb2_queue->ops->op(args); \
- (vb)->cnt_ ## op++; \
-})
-
-#else
-
-#define call_memop(vb, op, args...) \
- ((vb)->vb2_queue->mem_ops->op ? \
- (vb)->vb2_queue->mem_ops->op(args) : 0)
-
-#define call_ptr_memop(vb, op, args...) \
- ((vb)->vb2_queue->mem_ops->op ? \
- (vb)->vb2_queue->mem_ops->op(args) : NULL)
-
-#define call_void_memop(vb, op, args...) \
- do { \
- if ((vb)->vb2_queue->mem_ops->op) \
- (vb)->vb2_queue->mem_ops->op(args); \
- } while (0)
-
-#define call_qop(q, op, args...) \
- ((q)->ops->op ? (q)->ops->op(args) : 0)
-
-#define call_void_qop(q, op, args...) \
- do { \
- if ((q)->ops->op) \
- (q)->ops->op(args); \
- } while (0)
-
-#define call_vb_qop(vb, op, args...) \
- ((vb)->vb2_queue->ops->op ? (vb)->vb2_queue->ops->op(args) : 0)
-
-#define call_void_vb_qop(vb, op, args...) \
- do { \
- if ((vb)->vb2_queue->ops->op) \
- (vb)->vb2_queue->ops->op(args); \
- } while (0)
-
-#endif
-
-#define call_bufop(q, op, args...) \
-({ \
- int ret = 0; \
- if (q && q->buf_ops && q->buf_ops->op) \
- ret = q->buf_ops->op(args); \
- ret; \
-})
-
-bool vb2_buffer_in_use(struct vb2_queue *q, struct vb2_buffer *vb);
-int vb2_verify_memory_type(struct vb2_queue *q,
- enum vb2_memory memory, unsigned int type);
-#endif /* _MEDIA_VIDEOBUF2_INTERNAL_H */
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 9dff50f..f17b9cf 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -31,7 +31,14 @@
#include <media/videobuf2-v4l2.h>
-#include "videobuf2-internal.h"
+static int debug;
+module_param(debug, int, 0644);
+
+#define dprintk(level, fmt, arg...) \
+ do { \
+ if (debug >= level) \
+ pr_info("vb2-v4l2: %s: " fmt, __func__, ## arg); \
+ } while (0)
/* Flags that are set by the vb2 core */
#define V4L2_BUFFER_MASK_FLAGS (V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED | \
@@ -765,9 +772,6 @@ int vb2_queue_init(struct vb2_queue *q)
}
EXPORT_SYMBOL_GPL(vb2_queue_init);
-static int __vb2_init_fileio(struct vb2_queue *q, int read);
-static int __vb2_cleanup_fileio(struct vb2_queue *q);
-
/**
* vb2_queue_release() - stop streaming, release the queue and free memory
* @q: videobuf2 queue
@@ -778,103 +782,11 @@ static int __vb2_cleanup_fileio(struct vb2_queue *q);
*/
void vb2_queue_release(struct vb2_queue *q)
{
- __vb2_cleanup_fileio(q);
vb2_core_queue_release(q);
}
EXPORT_SYMBOL_GPL(vb2_queue_release);
/**
- * vb2_core_poll() - implements poll userspace operation
- * @q: videobuf2 queue
- * @file: file argument passed to the poll file operation handler
- * @wait: wait argument passed to the poll file operation handler
- *
- * This function implements poll file operation handler for a driver.
- * For CAPTURE queues, if a buffer is ready to be dequeued, the userspace will
- * be informed that the file descriptor of a video device is available for
- * reading.
- * For OUTPUT queues, if a buffer is ready to be dequeued, the file descriptor
- * will be reported as available for writing.
- *
- * The return values from this function are intended to be directly returned
- * from poll handler in driver.
- */
-unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file,
- poll_table *wait)
-{
- unsigned long req_events = poll_requested_events(wait);
- struct vb2_buffer *vb = NULL;
- unsigned long flags;
-
- if (!q->is_output && !(req_events & (POLLIN | POLLRDNORM)))
- return 0;
- if (q->is_output && !(req_events & (POLLOUT | POLLWRNORM)))
- return 0;
-
- /*
- * Start file I/O emulator only if streaming API has not been used yet.
- */
- if (q->num_buffers == 0 && !vb2_fileio_is_active(q)) {
- if (!q->is_output && (q->io_modes & VB2_READ) &&
- (req_events & (POLLIN | POLLRDNORM))) {
- if (__vb2_init_fileio(q, 1))
- return POLLERR;
- }
- if (q->is_output && (q->io_modes & VB2_WRITE) &&
- (req_events & (POLLOUT | POLLWRNORM))) {
- if (__vb2_init_fileio(q, 0))
- return POLLERR;
- /*
- * Write to OUTPUT queue can be done immediately.
- */
- return POLLOUT | POLLWRNORM;
- }
- }
-
- /*
- * There is nothing to wait for if the queue isn't streaming, or if the
- * error flag is set.
- */
- if (!vb2_is_streaming(q) || q->error)
- return POLLERR;
-
- /*
- * For output streams you can call write() as long as there are fewer
- * buffers queued than there are buffers available.
- */
- if (q->is_output && q->fileio && q->queued_count < q->num_buffers)
- return POLLOUT | POLLWRNORM;
-
- if (list_empty(&q->done_list)) {
- /*
- * If the last buffer was dequeued from a capture queue,
- * return immediately. DQBUF will return -EPIPE.
- */
- if (q->last_buffer_dequeued)
- return POLLIN | POLLRDNORM;
-
- poll_wait(file, &q->done_wq, wait);
- }
-
- /*
- * Take first buffer available for dequeuing.
- */
- spin_lock_irqsave(&q->done_lock, flags);
- if (!list_empty(&q->done_list))
- vb = list_first_entry(&q->done_list, struct vb2_buffer,
- done_entry);
- spin_unlock_irqrestore(&q->done_lock, flags);
-
- if (vb && (vb->state == VB2_BUF_STATE_DONE
- || vb->state == VB2_BUF_STATE_ERROR)) {
- return (q->is_output) ?
- POLLOUT | POLLWRNORM :
- POLLIN | POLLRDNORM;
- }
- return 0;
-}
-
-/**
* vb2_poll() - implements poll userspace operation
* @q: videobuf2 queue
* @file: file argument passed to the poll file operation handler
@@ -920,525 +832,6 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
}
EXPORT_SYMBOL_GPL(vb2_poll);
-/**
- * struct vb2_fileio_buf - buffer context used by file io emulator
- *
- * vb2 provides a compatibility layer and emulator of file io (read and
- * write) calls on top of streaming API. This structure is used for
- * tracking context related to the buffers.
- */
-struct vb2_fileio_buf {
- void *vaddr;
- unsigned int size;
- unsigned int pos;
- unsigned int queued:1;
-};
-
-/**
- * struct vb2_fileio_data - queue context used by file io emulator
- *
- * @cur_index: the index of the buffer currently being read from or
- * written to. If equal to q->num_buffers then a new buffer
- * must be dequeued.
- * @initial_index: in the read() case all buffers are queued up immediately
- * in __vb2_init_fileio() and __vb2_perform_fileio() just cycles
- * buffers. However, in the write() case no buffers are initially
- * queued, instead whenever a buffer is full it is queued up by
- * __vb2_perform_fileio(). Only once all available buffers have
- * been queued up will __vb2_perform_fileio() start to dequeue
- * buffers. This means that initially __vb2_perform_fileio()
- * needs to know what buffer index to use when it is queuing up
- * the buffers for the first time. That initial index is stored
- * in this field. Once it is equal to q->num_buffers all
- * available buffers have been queued and __vb2_perform_fileio()
- * should start the normal dequeue/queue cycle.
- *
- * vb2 provides a compatibility layer and emulator of file io (read and
- * write) calls on top of streaming API. For proper operation it required
- * this structure to save the driver state between each call of the read
- * or write function.
- */
-struct vb2_fileio_data {
- unsigned int count;
- unsigned int type;
- unsigned int memory;
- struct vb2_buffer *b;
- struct vb2_fileio_buf bufs[VB2_MAX_FRAME];
- unsigned int cur_index;
- unsigned int initial_index;
- unsigned int q_count;
- unsigned int dq_count;
- unsigned read_once:1;
- unsigned write_immediately:1;
-};
-
-/**
- * __vb2_init_fileio() - initialize file io emulator
- * @q: videobuf2 queue
- * @read: mode selector (1 means read, 0 means write)
- */
-static int __vb2_init_fileio(struct vb2_queue *q, int read)
-{
- struct vb2_fileio_data *fileio;
- int i, ret;
- unsigned int count = 0;
-
- /*
- * Sanity check
- */
- if (WARN_ON((read && !(q->io_modes & VB2_READ)) ||
- (!read && !(q->io_modes & VB2_WRITE))))
- return -EINVAL;
-
- /*
- * Check if device supports mapping buffers to kernel virtual space.
- */
- if (!q->mem_ops->vaddr)
- return -EBUSY;
-
- /*
- * Check if streaming api has not been already activated.
- */
- if (q->streaming || q->num_buffers > 0)
- return -EBUSY;
-
- /*
- * Start with count 1, driver can increase it in queue_setup()
- */
- count = 1;
-
- dprintk(3, "setting up file io: mode %s, count %d, read_once %d, write_immediately %d\n",
- (read) ? "read" : "write", count, q->fileio_read_once,
- q->fileio_write_immediately);
-
- fileio = kzalloc(sizeof(struct vb2_fileio_data), GFP_KERNEL);
- if (fileio == NULL)
- return -ENOMEM;
-
- fileio->b = kzalloc(q->buf_struct_size, GFP_KERNEL);
- if (fileio->b == NULL)
- return -ENOMEM;
-
- fileio->read_once = q->fileio_read_once;
- fileio->write_immediately = q->fileio_write_immediately;
-
- /*
- * Request buffers and use MMAP type to force driver
- * to allocate buffers by itself.
- */
- fileio->count = count;
- fileio->memory = VB2_MEMORY_MMAP;
- fileio->type = q->type;
- q->fileio = fileio;
- ret = vb2_core_reqbufs(q, fileio->memory, &fileio->count);
- if (ret)
- goto err_kfree;
-
- /*
- * Check if plane_count is correct
- * (multiplane buffers are not supported).
- */
- if (q->bufs[0]->num_planes != 1) {
- ret = -EBUSY;
- goto err_reqbufs;
- }
-
- /*
- * Get kernel address of each buffer.
- */
- for (i = 0; i < q->num_buffers; i++) {
- fileio->bufs[i].vaddr = vb2_plane_vaddr(q->bufs[i], 0);
- if (fileio->bufs[i].vaddr == NULL) {
- ret = -EINVAL;
- goto err_reqbufs;
- }
- fileio->bufs[i].size = vb2_plane_size(q->bufs[i], 0);
- }
-
- /*
- * Read mode requires pre queuing of all buffers.
- */
- if (read) {
- /*
- * Queue all buffers.
- */
- for (i = 0; i < q->num_buffers; i++) {
- struct vb2_buffer *b = fileio->b;
-
- memset(b, 0, q->buf_struct_size);
- b->type = q->type;
- b->memory = q->memory;
- b->index = i;
- ret = vb2_core_qbuf(q, i, b);
- if (ret)
- goto err_reqbufs;
- fileio->bufs[i].queued = 1;
- }
- /*
- * All buffers have been queued, so mark that by setting
- * initial_index to q->num_buffers
- */
- fileio->initial_index = q->num_buffers;
- fileio->cur_index = q->num_buffers;
- }
-
- /*
- * Start streaming.
- */
- ret = vb2_core_streamon(q, q->type);
- if (ret)
- goto err_reqbufs;
-
- return ret;
-
-err_reqbufs:
- fileio->count = 0;
- vb2_core_reqbufs(q, fileio->memory, &fileio->count);
-
-err_kfree:
- q->fileio = NULL;
- kfree(fileio);
- return ret;
-}
-
-/**
- * __vb2_cleanup_fileio() - free resourced used by file io emulator
- * @q: videobuf2 queue
- */
-static int __vb2_cleanup_fileio(struct vb2_queue *q)
-{
- struct vb2_fileio_data *fileio = q->fileio;
-
- if (fileio) {
- vb2_core_streamoff(q, q->type);
- q->fileio = NULL;
- fileio->count = 0;
- vb2_core_reqbufs(q, fileio->memory, &fileio->count);
- kfree(fileio->b);
- kfree(fileio);
- dprintk(3, "file io emulator closed\n");
- }
- return 0;
-}
-
-/**
- * __vb2_perform_fileio() - perform a single file io (read or write) operation
- * @q: videobuf2 queue
- * @data: pointed to target userspace buffer
- * @count: number of bytes to read or write
- * @ppos: file handle position tracking pointer
- * @nonblock: mode selector (1 means blocking calls, 0 means nonblocking)
- * @read: access mode selector (1 means read, 0 means write)
- */
-static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_t count,
- loff_t *ppos, int nonblock, int read)
-{
- struct vb2_fileio_data *fileio;
- struct vb2_fileio_buf *buf;
- bool is_multiplanar = q->is_multiplanar;
- /*
- * When using write() to write data to an output video node the vb2 core
- * should copy timestamps if V4L2_BUF_FLAG_TIMESTAMP_COPY is set. Nobody
- * else is able to provide this information with the write() operation.
- */
- bool copy_timestamp = !read && q->copy_timestamp;
- int ret, index;
-
- dprintk(3, "mode %s, offset %ld, count %zd, %sblocking\n",
- read ? "read" : "write", (long)*ppos, count,
- nonblock ? "non" : "");
-
- if (!data)
- return -EINVAL;
-
- /*
- * Initialize emulator on first call.
- */
- if (!vb2_fileio_is_active(q)) {
- ret = __vb2_init_fileio(q, read);
- dprintk(3, "vb2_init_fileio result: %d\n", ret);
- if (ret)
- return ret;
- }
- fileio = q->fileio;
-
- /*
- * Check if we need to dequeue the buffer.
- */
- index = fileio->cur_index;
- if (index >= q->num_buffers) {
- struct vb2_buffer *b = fileio->b;
-
- /*
- * Call vb2_dqbuf to get buffer back.
- */
- memset(b, 0, q->buf_struct_size);
- b->type = q->type;
- b->memory = q->memory;
- ret = vb2_core_dqbuf(q, b, nonblock);
- dprintk(5, "vb2_dqbuf result: %d\n", ret);
- if (ret)
- return ret;
- fileio->dq_count += 1;
-
- fileio->cur_index = index = b->index;
- buf = &fileio->bufs[index];
-
- /*
- * Get number of bytes filled by the driver
- */
- buf->pos = 0;
- buf->queued = 0;
- buf->size = read ? vb2_get_plane_payload(q->bufs[index], 0)
- : vb2_plane_size(q->bufs[index], 0);
- /* Compensate for data_offset on read in the multiplanar case. */
- if (is_multiplanar && read &&
- b->planes[0].data_offset < buf->size) {
- buf->pos = b->planes[0].data_offset;
- buf->size -= buf->pos;
- }
- } else {
- buf = &fileio->bufs[index];
- }
-
- /*
- * Limit count on last few bytes of the buffer.
- */
- if (buf->pos + count > buf->size) {
- count = buf->size - buf->pos;
- dprintk(5, "reducing read count: %zd\n", count);
- }
-
- /*
- * Transfer data to userspace.
- */
- dprintk(3, "copying %zd bytes - buffer %d, offset %u\n",
- count, index, buf->pos);
- if (read)
- ret = copy_to_user(data, buf->vaddr + buf->pos, count);
- else
- ret = copy_from_user(buf->vaddr + buf->pos, data, count);
- if (ret) {
- dprintk(3, "error copying data\n");
- return -EFAULT;
- }
-
- /*
- * Update counters.
- */
- buf->pos += count;
- *ppos += count;
-
- /*
- * Queue next buffer if required.
- */
- if (buf->pos == buf->size || (!read && fileio->write_immediately)) {
- struct vb2_buffer *b = fileio->b;
-
- /*
- * Check if this is the last buffer to read.
- */
- if (read && fileio->read_once && fileio->dq_count == 1) {
- dprintk(3, "read limit reached\n");
- return __vb2_cleanup_fileio(q);
- }
-
- /*
- * Call vb2_qbuf and give buffer to the driver.
- */
- memset(b, 0, q->buf_struct_size);
- b->type = q->type;
- b->memory = q->memory;
- b->index = index;
- b->planes[0].bytesused = buf->pos;
-
- if (copy_timestamp)
- b->timestamp = ktime_get_ns();
- ret = vb2_core_qbuf(q, index, b);
- dprintk(5, "vb2_dbuf result: %d\n", ret);
- if (ret)
- return ret;
-
- /*
- * Buffer has been queued, update the status
- */
- buf->pos = 0;
- buf->queued = 1;
- buf->size = vb2_plane_size(q->bufs[index], 0);
- fileio->q_count += 1;
- /*
- * If we are queuing up buffers for the first time, then
- * increase initial_index by one.
- */
- if (fileio->initial_index < q->num_buffers)
- fileio->initial_index++;
- /*
- * The next buffer to use is either a buffer that's going to be
- * queued for the first time (initial_index < q->num_buffers)
- * or it is equal to q->num_buffers, meaning that the next
- * time we need to dequeue a buffer since we've now queued up
- * all the 'first time' buffers.
- */
- fileio->cur_index = fileio->initial_index;
- }
-
- /*
- * Return proper number of bytes processed.
- */
- if (ret == 0)
- ret = count;
- return ret;
-}
-
-size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count,
- loff_t *ppos, int nonblocking)
-{
- return __vb2_perform_fileio(q, data, count, ppos, nonblocking, 1);
-}
-EXPORT_SYMBOL_GPL(vb2_read);
-
-size_t vb2_write(struct vb2_queue *q, const char __user *data, size_t count,
- loff_t *ppos, int nonblocking)
-{
- return __vb2_perform_fileio(q, (char __user *) data, count,
- ppos, nonblocking, 0);
-}
-EXPORT_SYMBOL_GPL(vb2_write);
-
-struct vb2_threadio_data {
- struct task_struct *thread;
- vb2_thread_fnc fnc;
- void *priv;
- bool stop;
-};
-
-static int vb2_thread(void *data)
-{
- struct vb2_queue *q = data;
- struct vb2_threadio_data *threadio = q->threadio;
- struct vb2_fileio_data *fileio = q->fileio;
- bool copy_timestamp = false;
- int prequeue = 0;
- int index = 0;
- int ret = 0;
-
- if (q->is_output) {
- prequeue = q->num_buffers;
- copy_timestamp = q->copy_timestamp;
- }
-
- set_freezable();
-
- for (;;) {
- struct vb2_buffer *vb;
- struct vb2_buffer *b = fileio->b;
-
- /*
- * Call vb2_dqbuf to get buffer back.
- */
- memset(b, 0, q->buf_struct_size);
- b->type = q->type;
- b->memory = q->memory;
- if (prequeue) {
- b->index = index++;
- prequeue--;
- } else {
- call_void_qop(q, wait_finish, q);
- if (!threadio->stop)
- ret = vb2_core_dqbuf(q, b, 0);
- call_void_qop(q, wait_prepare, q);
- dprintk(5, "file io: vb2_dqbuf result: %d\n", ret);
- }
- if (ret || threadio->stop)
- break;
- try_to_freeze();
-
- vb = q->bufs[b->index];
- if (b->state == VB2_BUF_STATE_DONE)
- if (threadio->fnc(vb, threadio->priv))
- break;
- call_void_qop(q, wait_finish, q);
- if (copy_timestamp)
- b->timestamp = ktime_get_ns();
- if (!threadio->stop)
- ret = vb2_core_qbuf(q, b->index, b);
- call_void_qop(q, wait_prepare, q);
- if (ret || threadio->stop)
- break;
- }
-
- /* Hmm, linux becomes *very* unhappy without this ... */
- while (!kthread_should_stop()) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule();
- }
- return 0;
-}
-
-/*
- * This function should not be used for anything else but the videobuf2-dvb
- * support. If you think you have another good use-case for this, then please
- * contact the linux-media mailinglist first.
- */
-int vb2_thread_start(struct vb2_queue *q, vb2_thread_fnc fnc, void *priv,
- const char *thread_name)
-{
- struct vb2_threadio_data *threadio;
- int ret = 0;
-
- if (q->threadio)
- return -EBUSY;
- if (vb2_is_busy(q))
- return -EBUSY;
- if (WARN_ON(q->fileio))
- return -EBUSY;
-
- threadio = kzalloc(sizeof(*threadio), GFP_KERNEL);
- if (threadio == NULL)
- return -ENOMEM;
- threadio->fnc = fnc;
- threadio->priv = priv;
-
- ret = __vb2_init_fileio(q, !q->is_output);
- dprintk(3, "file io: vb2_init_fileio result: %d\n", ret);
- if (ret)
- goto nomem;
- q->threadio = threadio;
- threadio->thread = kthread_run(vb2_thread, q, "vb2-%s", thread_name);
- if (IS_ERR(threadio->thread)) {
- ret = PTR_ERR(threadio->thread);
- threadio->thread = NULL;
- goto nothread;
- }
- return 0;
-
-nothread:
- __vb2_cleanup_fileio(q);
-nomem:
- kfree(threadio);
- return ret;
-}
-EXPORT_SYMBOL_GPL(vb2_thread_start);
-
-int vb2_thread_stop(struct vb2_queue *q)
-{
- struct vb2_threadio_data *threadio = q->threadio;
- int err;
-
- if (threadio == NULL)
- return 0;
- threadio->stop = true;
- /* Wake up all pending sleeps in the thread */
- vb2_queue_error(q);
- err = kthread_stop(threadio->thread);
- __vb2_cleanup_fileio(q);
- threadio->thread = NULL;
- kfree(threadio);
- q->threadio = NULL;
- return err;
-}
-EXPORT_SYMBOL_GPL(vb2_thread_stop);
-
/*
* The following functions are not part of the vb2 core API, but are helper
* functions that plug into struct v4l2_ioctl_ops, struct v4l2_file_operations
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 67da143..cc94c9d 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -541,6 +541,42 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
unsigned long pgoff,
unsigned long flags);
#endif
+unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file,
+ poll_table *wait);
+size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count,
+ loff_t *ppos, int nonblock);
+size_t vb2_write(struct vb2_queue *q, const char __user *data, size_t count,
+ loff_t *ppos, int nonblock);
+
+/*
+ * vb2_thread_fnc - callback function for use with vb2_thread
+ *
+ * This is called whenever a buffer is dequeued in the thread.
+ */
+typedef int (*vb2_thread_fnc)(struct vb2_buffer *vb, void *priv);
+
+/**
+ * vb2_thread_start() - start a thread for the given queue.
+ * @q: videobuf queue
+ * @fnc: callback function
+ * @priv: priv pointer passed to the callback function
+ * @thread_name:the name of the thread. This will be prefixed with "vb2-".
+ *
+ * This starts a thread that will queue and dequeue until an error occurs
+ * or @vb2_thread_stop is called.
+ *
+ * This function should not be used for anything else but the videobuf2-dvb
+ * support. If you think you have another good use-case for this, then please
+ * contact the linux-media mailinglist first.
+ */
+int vb2_thread_start(struct vb2_queue *q, vb2_thread_fnc fnc, void *priv,
+ const char *thread_name);
+
+/**
+ * vb2_thread_stop() - stop the thread for the given queue.
+ * @q: videobuf queue
+ */
+int vb2_thread_stop(struct vb2_queue *q);
/**
* vb2_is_streaming() - return streaming status of the queue
@@ -645,4 +681,11 @@ static inline void vb2_clear_last_buffer_dequeued(struct vb2_queue *q)
q->last_buffer_dequeued = false;
}
+/*
+ * The following functions are not part of the vb2 core API, but are useful
+ * functions for videobuf2-*.
+ */
+bool vb2_buffer_in_use(struct vb2_queue *q, struct vb2_buffer *vb);
+int vb2_verify_memory_type(struct vb2_queue *q,
+ enum vb2_memory memory, unsigned int type);
#endif /* _MEDIA_VIDEOBUF2_CORE_H */
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index 110062e..3cc836f 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -63,42 +63,8 @@ int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type);
int __must_check vb2_queue_init(struct vb2_queue *q);
void vb2_queue_release(struct vb2_queue *q);
-
-unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait);
-size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count,
- loff_t *ppos, int nonblock);
-size_t vb2_write(struct vb2_queue *q, const char __user *data, size_t count,
- loff_t *ppos, int nonblock);
-
-/*
- * vb2_thread_fnc - callback function for use with vb2_thread
- *
- * This is called whenever a buffer is dequeued in the thread.
- */
-typedef int (*vb2_thread_fnc)(struct vb2_buffer *vb, void *priv);
-
-/**
- * vb2_thread_start() - start a thread for the given queue.
- * @q: videobuf queue
- * @fnc: callback function
- * @priv: priv pointer passed to the callback function
- * @thread_name:the name of the thread. This will be prefixed with "vb2-".
- *
- * This starts a thread that will queue and dequeue until an error occurs
- * or @vb2_thread_stop is called.
- *
- * This function should not be used for anything else but the videobuf2-dvb
- * support. If you think you have another good use-case for this, then please
- * contact the linux-media mailinglist first.
- */
-int vb2_thread_start(struct vb2_queue *q, vb2_thread_fnc fnc, void *priv,
- const char *thread_name);
-
-/**
- * vb2_thread_stop() - stop the thread for the given queue.
- * @q: videobuf queue
- */
-int vb2_thread_stop(struct vb2_queue *q);
+unsigned int vb2_poll(struct vb2_queue *q, struct file *file,
+ poll_table *wait);
/*
* The following functions are not part of the vb2 core API, but are simple
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 10/15] videobuf2-core.c: update module description
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (8 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 09/15] media: videobuf2: Move vb2_fileio_data and vb2_thread to core part Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 11/15] videobuf2-core: fill_user_buffer and copy_timestamp should return void Hans Verkuil
` (4 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
This module is no longer V4L2 specific, so update the module description
accordingly.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index d7e0ab3..4faa066 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -2861,6 +2861,6 @@ int vb2_thread_stop(struct vb2_queue *q)
}
EXPORT_SYMBOL_GPL(vb2_thread_stop);
-MODULE_DESCRIPTION("Driver helper framework for Video for Linux 2");
+MODULE_DESCRIPTION("Media buffer core framework");
MODULE_AUTHOR("Pawel Osciak <pawel@osciak.com>, Marek Szyprowski");
MODULE_LICENSE("GPL");
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 11/15] videobuf2-core: fill_user_buffer and copy_timestamp should return void
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (9 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 10/15] videobuf2-core.c: update module description Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 12/15] videobuf2-core: move __setup_lengths into __vb2_queue_alloc() Hans Verkuil
` (3 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
This ops can never fail, so make these void functions.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 27 ++++++++++++---------------
drivers/media/v4l2-core/videobuf2-v4l2.c | 12 +++++-------
include/media/videobuf2-core.h | 17 ++++++++++++++---
3 files changed, 31 insertions(+), 25 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 4faa066..5cd418e 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -178,6 +178,12 @@ module_param(debug, int, 0644);
ret; \
})
+#define call_void_bufop(q, op, args...) \
+({ \
+ if (q && q->buf_ops && q->buf_ops->op) \
+ q->buf_ops->op(args); \
+})
+
static void __vb2_queue_cancel(struct vb2_queue *q);
static void __enqueue_in_driver(struct vb2_buffer *vb);
@@ -586,13 +592,10 @@ static bool __buffers_in_use(struct vb2_queue *q)
* Should be called from vidioc_querybuf ioctl handler in driver.
* The passed buffer should have been verified.
* This function fills the relevant information for the userspace.
- *
- * The return values from this function are intended to be directly returned
- * from vidioc_querybuf handler in driver.
*/
-int vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb)
+void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb)
{
- return call_bufop(q, fill_user_buffer, q->bufs[index], pb);
+ call_void_bufop(q, fill_user_buffer, q->bufs[index], pb);
}
EXPORT_SYMBOL_GPL(vb2_core_querybuf);
@@ -1420,9 +1423,7 @@ int vb2_core_prepare_buf(struct vb2_queue *q, unsigned int index, void *pb)
return ret;
/* Fill buffer information for the userspace */
- ret = call_bufop(q, fill_user_buffer, vb, pb);
- if (ret)
- return ret;
+ call_void_bufop(q, fill_user_buffer, vb, pb);
dprintk(1, "prepare of buffer %d succeeded\n", vb->index);
@@ -1543,7 +1544,7 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb)
q->waiting_for_buffers = false;
vb->state = VB2_BUF_STATE_QUEUED;
- call_bufop(q, copy_timestamp, vb, pb);
+ call_void_bufop(q, copy_timestamp, vb, pb);
trace_vb2_qbuf(q, vb);
@@ -1555,9 +1556,7 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb)
__enqueue_in_driver(vb);
/* Fill buffer information for the userspace */
- ret = call_bufop(q, fill_user_buffer, vb, pb);
- if (ret)
- return ret;
+ call_void_bufop(q, fill_user_buffer, vb, pb);
/*
* If streamon has been called, and we haven't yet called
@@ -1780,9 +1779,7 @@ int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking)
call_void_vb_qop(vb, buf_finish, vb);
/* Fill buffer information for the userspace */
- ret = call_bufop(q, fill_user_buffer, vb, pb);
- if (ret)
- return ret;
+ call_void_bufop(q, fill_user_buffer, vb, pb);
/* Remove from videobuf queue */
list_del(&vb->queued_entry);
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index f17b9cf..c9a2860 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -114,7 +114,7 @@ static int __verify_length(struct vb2_buffer *vb, const struct v4l2_buffer *b)
return 0;
}
-static int __copy_timestamp(struct vb2_buffer *vb, const void *pb)
+static void __copy_timestamp(struct vb2_buffer *vb, const void *pb)
{
const struct v4l2_buffer *b = pb;
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
@@ -131,7 +131,6 @@ static int __copy_timestamp(struct vb2_buffer *vb, const void *pb)
if (b->flags & V4L2_BUF_FLAG_TIMECODE)
vbuf->timecode = b->timecode;
}
- return 0;
};
static void vb2_warn_zero_bytesused(struct vb2_buffer *vb)
@@ -182,7 +181,7 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b,
* __fill_v4l2_buffer() - fill in a struct v4l2_buffer with information to be
* returned to userspace
*/
-static int __fill_v4l2_buffer(struct vb2_buffer *vb, void *pb)
+static void __fill_v4l2_buffer(struct vb2_buffer *vb, void *pb)
{
struct v4l2_buffer *b = pb;
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
@@ -281,8 +280,6 @@ static int __fill_v4l2_buffer(struct vb2_buffer *vb, void *pb)
b->flags & V4L2_BUF_FLAG_DONE &&
b->flags & V4L2_BUF_FLAG_LAST)
q->last_buffer_dequeued = true;
-
- return 0;
}
/**
@@ -474,8 +471,9 @@ int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b)
}
vb = q->bufs[b->index];
ret = __verify_planes_array(vb, b);
-
- return ret ? ret : vb2_core_querybuf(q, b->index, b);
+ if (!ret)
+ vb2_core_querybuf(q, b->index, b);
+ return ret;
}
EXPORT_SYMBOL(vb2_querybuf);
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index cc94c9d..b88dbba 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -369,11 +369,22 @@ struct vb2_ops {
void (*buf_queue)(struct vb2_buffer *vb);
};
+/**
+ * struct vb2_ops - driver-specific callbacks
+ *
+ * @fill_user_buffer: given a vb2_buffer fill in the userspace structure.
+ * For V4L2 this is a struct v4l2_buffer.
+ * @fill_vb2_buffer: given a userspace structure, fill in the vb2_buffer.
+ * If the userspace structure is invalid, then this op
+ * will return an error.
+ * @copy_timestamp: copy the timestamp from a userspace structure to
+ * the vb2_buffer struct.
+ */
struct vb2_buf_ops {
- int (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
+ void (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
struct vb2_plane *planes);
- int (*copy_timestamp)(struct vb2_buffer *vb, const void *pb);
+ void (*copy_timestamp)(struct vb2_buffer *vb, const void *pb);
};
/**
@@ -512,7 +523,7 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state);
void vb2_discard_done(struct vb2_queue *q);
int vb2_wait_for_all_buffers(struct vb2_queue *q);
-int vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb);
+void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb);
int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
unsigned int *count);
int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 12/15] videobuf2-core: move __setup_lengths into __vb2_queue_alloc()
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (10 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 11/15] videobuf2-core: fill_user_buffer and copy_timestamp should return void Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 13/15] videobuf2-core: fill in q->bufs[vb->index] before buf_init() Hans Verkuil
` (2 subsequent siblings)
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
Rather than setting up the lengths at the end, set them up when
the vb2_buffer is allocated. This also ensures that buf_init()
sees the right length values.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 24 +++---------------------
1 file changed, 3 insertions(+), 21 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 5cd418e..96dca47 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -287,25 +287,6 @@ static void __vb2_buf_dmabuf_put(struct vb2_buffer *vb)
}
/**
- * __setup_lengths() - setup initial lengths for every plane in
- * every buffer on the queue
- */
-static void __setup_lengths(struct vb2_queue *q, unsigned int n)
-{
- unsigned int buffer, plane;
- struct vb2_buffer *vb;
-
- for (buffer = q->num_buffers; buffer < q->num_buffers + n; ++buffer) {
- vb = q->bufs[buffer];
- if (!vb)
- continue;
-
- for (plane = 0; plane < vb->num_planes; ++plane)
- vb->planes[plane].length = q->plane_sizes[plane];
- }
-}
-
-/**
* __setup_offsets() - setup unique offsets ("cookies") for every plane in
* every buffer on the queue
*/
@@ -351,7 +332,7 @@ static void __setup_offsets(struct vb2_queue *q, unsigned int n)
static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
unsigned int num_buffers, unsigned int num_planes)
{
- unsigned int buffer;
+ unsigned int buffer, plane;
struct vb2_buffer *vb;
int ret;
@@ -369,6 +350,8 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
vb->index = q->num_buffers + buffer;
vb->type = q->type;
vb->memory = memory;
+ for (plane = 0; plane < num_planes; ++plane)
+ vb->planes[plane].length = q->plane_sizes[plane];
/* Allocate video buffer memory for the MMAP type */
if (memory == VB2_MEMORY_MMAP) {
@@ -397,7 +380,6 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
q->bufs[q->num_buffers + buffer] = vb;
}
- __setup_lengths(q, buffer);
if (memory == VB2_MEMORY_MMAP)
__setup_offsets(q, buffer);
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 13/15] videobuf2-core: fill in q->bufs[vb->index] before buf_init()
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (11 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 12/15] videobuf2-core: move __setup_lengths into __vb2_queue_alloc() Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 14/15] videobuf2-core: call __setup_offsets " Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS Hans Verkuil
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
Fill in q->bufs[vb->index] before the call to buf_init: it makes
sense that this is initialized correctly.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 96dca47..98b5449 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -352,6 +352,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
vb->memory = memory;
for (plane = 0; plane < num_planes; ++plane)
vb->planes[plane].length = q->plane_sizes[plane];
+ q->bufs[vb->index] = vb;
/* Allocate video buffer memory for the MMAP type */
if (memory == VB2_MEMORY_MMAP) {
@@ -360,6 +361,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
dprintk(1, "failed allocating memory for "
"buffer %d\n", buffer);
kfree(vb);
+ q->bufs[vb->index] = NULL;
break;
}
/*
@@ -372,12 +374,11 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
dprintk(1, "buffer %d %p initialization"
" failed\n", buffer, vb);
__vb2_buf_mem_free(vb);
+ q->bufs[vb->index] = NULL;
kfree(vb);
break;
}
}
-
- q->bufs[q->num_buffers + buffer] = vb;
}
if (memory == VB2_MEMORY_MMAP)
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 14/15] videobuf2-core: call __setup_offsets before buf_init()
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (12 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 13/15] videobuf2-core: fill in q->bufs[vb->index] before buf_init() Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS Hans Verkuil
14 siblings, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
Ensure that the offsets are correct before buf_init() is called.
As a consequence the __setup_offsets() function now sets up the
offsets for the given buffer instead of for all new buffers.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 42 ++++++++++++--------------------
1 file changed, 16 insertions(+), 26 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 98b5449..26ba9e4 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -288,37 +288,29 @@ static void __vb2_buf_dmabuf_put(struct vb2_buffer *vb)
/**
* __setup_offsets() - setup unique offsets ("cookies") for every plane in
- * every buffer on the queue
+ * the buffer.
*/
-static void __setup_offsets(struct vb2_queue *q, unsigned int n)
+static void __setup_offsets(struct vb2_buffer *vb)
{
- unsigned int buffer, plane;
- struct vb2_buffer *vb;
- unsigned long off;
+ struct vb2_queue *q = vb->vb2_queue;
+ unsigned int plane;
+ unsigned long off = 0;
+
+ if (vb->index) {
+ struct vb2_buffer *prev = q->bufs[vb->index - 1];
+ struct vb2_plane *p = &prev->planes[prev->num_planes - 1];
- if (q->num_buffers) {
- struct vb2_plane *p;
- vb = q->bufs[q->num_buffers - 1];
- p = &vb->planes[vb->num_planes - 1];
off = PAGE_ALIGN(p->m.offset + p->length);
- } else {
- off = 0;
}
- for (buffer = q->num_buffers; buffer < q->num_buffers + n; ++buffer) {
- vb = q->bufs[buffer];
- if (!vb)
- continue;
-
- for (plane = 0; plane < vb->num_planes; ++plane) {
- vb->planes[plane].m.offset = off;
+ for (plane = 0; plane < vb->num_planes; ++plane) {
+ vb->planes[plane].m.offset = off;
- dprintk(3, "buffer %d, plane %d offset 0x%08lx\n",
- buffer, plane, off);
+ dprintk(3, "buffer %d, plane %d offset 0x%08lx\n",
+ vb->index, plane, off);
- off += vb->planes[plane].length;
- off = PAGE_ALIGN(off);
- }
+ off += vb->planes[plane].length;
+ off = PAGE_ALIGN(off);
}
}
@@ -364,6 +356,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
q->bufs[vb->index] = NULL;
break;
}
+ __setup_offsets(vb);
/*
* Call the driver-provided buffer initialization
* callback, if given. An error in initialization
@@ -381,9 +374,6 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
}
}
- if (memory == VB2_MEMORY_MMAP)
- __setup_offsets(q, buffer);
-
dprintk(1, "allocated %d buffers, %d plane(s) each\n",
buffer, num_planes);
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
` (13 preceding siblings ...)
2015-11-20 16:45 ` [PATCHv11 14/15] videobuf2-core: call __setup_offsets " Hans Verkuil
@ 2015-11-20 16:45 ` Hans Verkuil
2015-11-30 14:15 ` Hans Verkuil
2015-12-09 13:13 ` Sakari Ailus
14 siblings, 2 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-20 16:45 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
From: Hans Verkuil <hans.verkuil@cisco.com>
The handling of q->plane_sizes was wrong in vb2_core_create_bufs().
The q->plane_sizes array was global and it was overwritten by create_bufs.
So if reqbufs was called with e.g. size 100000 then q->plane_sizes[0] would
be set to 100000. If create_bufs was called afterwards with size 200000,
then q->plane_sizes[0] would be overwritten with the new value. Calling
create_bufs again for size 100000 would cause an error since 100000 is now
less than q->plane_sizes[0].
This patch fixes this problem by 1) removing q->plane_sizes and using the
vb->planes[].length field instead, and 2) by introducing a min_length field
in struct vb2_plane. This field is set to the plane size as returned by
the queue_setup op and is the minimum required plane size. So user pointers
or dmabufs should all be at least this size.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 39 +++++++++++++++++---------------
include/media/videobuf2-core.h | 4 +++-
2 files changed, 24 insertions(+), 19 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 26ba9e4..e6890d4 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -203,7 +203,7 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
* NOTE: mmapped areas should be page aligned
*/
for (plane = 0; plane < vb->num_planes; ++plane) {
- unsigned long size = PAGE_ALIGN(q->plane_sizes[plane]);
+ unsigned long size = PAGE_ALIGN(vb->planes[plane].length);
mem_priv = call_ptr_memop(vb, alloc, q->alloc_ctx[plane],
size, dma_dir, q->gfp_flags);
@@ -212,7 +212,6 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
/* Associate allocator private data with this plane */
vb->planes[plane].mem_priv = mem_priv;
- vb->planes[plane].length = q->plane_sizes[plane];
}
return 0;
@@ -322,7 +321,8 @@ static void __setup_offsets(struct vb2_buffer *vb)
* Returns the number of buffers successfully allocated.
*/
static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
- unsigned int num_buffers, unsigned int num_planes)
+ unsigned int num_buffers, unsigned int num_planes,
+ const unsigned plane_sizes[VB2_MAX_PLANES])
{
unsigned int buffer, plane;
struct vb2_buffer *vb;
@@ -342,8 +342,10 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
vb->index = q->num_buffers + buffer;
vb->type = q->type;
vb->memory = memory;
- for (plane = 0; plane < num_planes; ++plane)
- vb->planes[plane].length = q->plane_sizes[plane];
+ for (plane = 0; plane < num_planes; ++plane) {
+ vb->planes[plane].length = plane_sizes[plane];
+ vb->planes[plane].min_length = plane_sizes[plane];
+ }
q->bufs[vb->index] = vb;
/* Allocate video buffer memory for the MMAP type */
@@ -352,8 +354,8 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
if (ret) {
dprintk(1, "failed allocating memory for "
"buffer %d\n", buffer);
- kfree(vb);
q->bufs[vb->index] = NULL;
+ kfree(vb);
break;
}
__setup_offsets(vb);
@@ -690,6 +692,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
unsigned int *count)
{
unsigned int num_buffers, allocated_buffers, num_planes = 0;
+ unsigned plane_sizes[VB2_MAX_PLANES] = { };
int ret;
if (q->streaming) {
@@ -733,7 +736,6 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
*/
num_buffers = min_t(unsigned int, *count, VB2_MAX_FRAME);
num_buffers = max_t(unsigned int, num_buffers, q->min_buffers_needed);
- memset(q->plane_sizes, 0, sizeof(q->plane_sizes));
memset(q->alloc_ctx, 0, sizeof(q->alloc_ctx));
q->memory = memory;
@@ -742,13 +744,13 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
* Driver also sets the size and allocator context for each plane.
*/
ret = call_qop(q, queue_setup, q, &num_buffers, &num_planes,
- q->plane_sizes, q->alloc_ctx);
+ plane_sizes, q->alloc_ctx);
if (ret)
return ret;
/* Finally, allocate buffers and video memory */
allocated_buffers =
- __vb2_queue_alloc(q, memory, num_buffers, num_planes);
+ __vb2_queue_alloc(q, memory, num_buffers, num_planes, plane_sizes);
if (allocated_buffers == 0) {
dprintk(1, "memory allocation failed\n");
return -ENOMEM;
@@ -775,7 +777,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
num_planes = 0;
ret = call_qop(q, queue_setup, q, &num_buffers,
- &num_planes, q->plane_sizes, q->alloc_ctx);
+ &num_planes, plane_sizes, q->alloc_ctx);
if (!ret && allocated_buffers < num_buffers)
ret = -ENOMEM;
@@ -832,6 +834,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
const unsigned requested_sizes[])
{
unsigned int num_planes = 0, num_buffers, allocated_buffers;
+ unsigned plane_sizes[VB2_MAX_PLANES] = { };
int ret;
if (q->num_buffers == VB2_MAX_FRAME) {
@@ -840,7 +843,6 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
}
if (!q->num_buffers) {
- memset(q->plane_sizes, 0, sizeof(q->plane_sizes));
memset(q->alloc_ctx, 0, sizeof(q->alloc_ctx));
q->memory = memory;
q->waiting_for_buffers = !q->is_output;
@@ -850,7 +852,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
if (requested_planes && requested_sizes) {
num_planes = requested_planes;
- memcpy(q->plane_sizes, requested_sizes, sizeof(q->plane_sizes));
+ memcpy(plane_sizes, requested_sizes, sizeof(plane_sizes));
}
/*
@@ -858,13 +860,13 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
* buffer and their sizes are acceptable
*/
ret = call_qop(q, queue_setup, q, &num_buffers,
- &num_planes, q->plane_sizes, q->alloc_ctx);
+ &num_planes, plane_sizes, q->alloc_ctx);
if (ret)
return ret;
/* Finally, allocate buffers and video memory */
allocated_buffers = __vb2_queue_alloc(q, memory, num_buffers,
- num_planes);
+ num_planes, plane_sizes);
if (allocated_buffers == 0) {
dprintk(1, "memory allocation failed\n");
return -ENOMEM;
@@ -881,7 +883,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
* queue driver has set up
*/
ret = call_qop(q, queue_setup, q, &num_buffers,
- &num_planes, q->plane_sizes, q->alloc_ctx);
+ &num_planes, plane_sizes, q->alloc_ctx);
if (!ret && allocated_buffers < num_buffers)
ret = -ENOMEM;
@@ -1097,11 +1099,12 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const void *pb)
"reacquiring memory\n", plane);
/* Check if the provided plane buffer is large enough */
- if (planes[plane].length < q->plane_sizes[plane]) {
+ if (planes[plane].length < vb->planes[plane].min_length) {
dprintk(1, "provided buffer size %u is less than "
"setup size %u for plane %d\n",
planes[plane].length,
- q->plane_sizes[plane], plane);
+ vb->planes[plane].min_length,
+ plane);
ret = -EINVAL;
goto err;
}
@@ -1214,7 +1217,7 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const void *pb)
if (planes[plane].length == 0)
planes[plane].length = dbuf->size;
- if (planes[plane].length < q->plane_sizes[plane]) {
+ if (planes[plane].length < vb->planes[plane].min_length) {
dprintk(1, "invalid dmabuf length for plane %d\n",
plane);
ret = -EINVAL;
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index b88dbba..ef03ae5 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -129,6 +129,8 @@ struct vb2_mem_ops {
* @dbuf_mapped: flag to show whether dbuf is mapped or not
* @bytesused: number of bytes occupied by data in the plane (payload)
* @length: size of this plane (NOT the payload) in bytes
+ * @min_length: minimum required size of this plane (NOT the payload) in bytes.
+ * @length is always greater or equal to @min_length.
* @offset: when memory in the associated struct vb2_buffer is
* VB2_MEMORY_MMAP, equals the offset from the start of
* the device memory for this plane (or is a "cookie" that
@@ -150,6 +152,7 @@ struct vb2_plane {
unsigned int dbuf_mapped;
unsigned int bytesused;
unsigned int length;
+ unsigned int min_length;
union {
unsigned int offset;
unsigned long userptr;
@@ -489,7 +492,6 @@ struct vb2_queue {
wait_queue_head_t done_wq;
void *alloc_ctx[VB2_MAX_PLANES];
- unsigned int plane_sizes[VB2_MAX_PLANES];
unsigned int streaming:1;
unsigned int start_streaming_called:1;
--
2.6.2
^ permalink raw reply related [flat|nested] 18+ messages in thread
* Re: [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS
2015-11-20 16:45 ` [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS Hans Verkuil
@ 2015-11-30 14:15 ` Hans Verkuil
2015-12-09 13:13 ` Sakari Ailus
1 sibling, 0 replies; 18+ messages in thread
From: Hans Verkuil @ 2015-11-30 14:15 UTC (permalink / raw)
To: linux-media; +Cc: pawel, sakari.ailus, jh1009.sung, inki.dae, Hans Verkuil
Hi Sakari,
There was some confusion about min_length, so let me try to explain it again.
When buffers are allocated in __vb2_queue_alloc() the queue_setup() op has been
called and that function filled in (for VIDIOC_REQBUFS) or accepted (for CREATE_BUFS)
the number of planes and plane sizes for these new buffers.
That means that the memory associated with each allocated buffer has to be at least
that size.
For MEMORY_MMAP that always true since we allocate the buffer memory, but for
USERPTR and DMABUF we need to check if the buffer we get is at least min_length in
size. Note that min_length is associated with a buffer (or more precise, buffer index).
So different buffers may have different min_length values.
When the application calls CREATE_BUFS the plane sizes that are specified are the
contract that the application makes with vb2: the created buffers will always have
at least the given size. This is true for MEMORY_MMAP and should be enforced for
USERPTR/DMABUF.
Now, it would be possible to just drop the whole min_length and have buf_prepare
call and check vb2_plane_size(). However, there are a few reasons why I don't
think that's a good idea:
1) a lot of drivers don't do this check in buf_prepare because it can't happen that
it is too small in the current setup: this can only happen if you can change the
format on the fly, and nobody allows that today.
2) I think it makes sense that if you create a buffer for a certain size, you
should have the guarantee that it always really is of at least that size, regardless
of whether MMAP or USERPTR or DMABUF is used.
3) When we do have a driver that can reconfigure on the fly, then buf_prepare is
not be the right place anyway since when it is called you still have the old format.
4) I don't want to change the way this is handled, instead I just want to fix the
bugs. So sue me :-)
I hope this helps. If there are no further comments, then I want to make a pull
request for this on Friday.
Regards,
Hans
On 11/20/2015 05:45 PM, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@cisco.com>
>
> The handling of q->plane_sizes was wrong in vb2_core_create_bufs().
> The q->plane_sizes array was global and it was overwritten by create_bufs.
> So if reqbufs was called with e.g. size 100000 then q->plane_sizes[0] would
> be set to 100000. If create_bufs was called afterwards with size 200000,
> then q->plane_sizes[0] would be overwritten with the new value. Calling
> create_bufs again for size 100000 would cause an error since 100000 is now
> less than q->plane_sizes[0].
>
> This patch fixes this problem by 1) removing q->plane_sizes and using the
> vb->planes[].length field instead, and 2) by introducing a min_length field
> in struct vb2_plane. This field is set to the plane size as returned by
> the queue_setup op and is the minimum required plane size. So user pointers
> or dmabufs should all be at least this size.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> Reported-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> ---
> drivers/media/v4l2-core/videobuf2-core.c | 39 +++++++++++++++++---------------
> include/media/videobuf2-core.h | 4 +++-
> 2 files changed, 24 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
> index 26ba9e4..e6890d4 100644
> --- a/drivers/media/v4l2-core/videobuf2-core.c
> +++ b/drivers/media/v4l2-core/videobuf2-core.c
> @@ -203,7 +203,7 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
> * NOTE: mmapped areas should be page aligned
> */
> for (plane = 0; plane < vb->num_planes; ++plane) {
> - unsigned long size = PAGE_ALIGN(q->plane_sizes[plane]);
> + unsigned long size = PAGE_ALIGN(vb->planes[plane].length);
>
> mem_priv = call_ptr_memop(vb, alloc, q->alloc_ctx[plane],
> size, dma_dir, q->gfp_flags);
> @@ -212,7 +212,6 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
>
> /* Associate allocator private data with this plane */
> vb->planes[plane].mem_priv = mem_priv;
> - vb->planes[plane].length = q->plane_sizes[plane];
> }
>
> return 0;
> @@ -322,7 +321,8 @@ static void __setup_offsets(struct vb2_buffer *vb)
> * Returns the number of buffers successfully allocated.
> */
> static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
> - unsigned int num_buffers, unsigned int num_planes)
> + unsigned int num_buffers, unsigned int num_planes,
> + const unsigned plane_sizes[VB2_MAX_PLANES])
> {
> unsigned int buffer, plane;
> struct vb2_buffer *vb;
> @@ -342,8 +342,10 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
> vb->index = q->num_buffers + buffer;
> vb->type = q->type;
> vb->memory = memory;
> - for (plane = 0; plane < num_planes; ++plane)
> - vb->planes[plane].length = q->plane_sizes[plane];
> + for (plane = 0; plane < num_planes; ++plane) {
> + vb->planes[plane].length = plane_sizes[plane];
> + vb->planes[plane].min_length = plane_sizes[plane];
> + }
> q->bufs[vb->index] = vb;
>
> /* Allocate video buffer memory for the MMAP type */
> @@ -352,8 +354,8 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory,
> if (ret) {
> dprintk(1, "failed allocating memory for "
> "buffer %d\n", buffer);
> - kfree(vb);
> q->bufs[vb->index] = NULL;
> + kfree(vb);
> break;
> }
> __setup_offsets(vb);
> @@ -690,6 +692,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
> unsigned int *count)
> {
> unsigned int num_buffers, allocated_buffers, num_planes = 0;
> + unsigned plane_sizes[VB2_MAX_PLANES] = { };
> int ret;
>
> if (q->streaming) {
> @@ -733,7 +736,6 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
> */
> num_buffers = min_t(unsigned int, *count, VB2_MAX_FRAME);
> num_buffers = max_t(unsigned int, num_buffers, q->min_buffers_needed);
> - memset(q->plane_sizes, 0, sizeof(q->plane_sizes));
> memset(q->alloc_ctx, 0, sizeof(q->alloc_ctx));
> q->memory = memory;
>
> @@ -742,13 +744,13 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
> * Driver also sets the size and allocator context for each plane.
> */
> ret = call_qop(q, queue_setup, q, &num_buffers, &num_planes,
> - q->plane_sizes, q->alloc_ctx);
> + plane_sizes, q->alloc_ctx);
> if (ret)
> return ret;
>
> /* Finally, allocate buffers and video memory */
> allocated_buffers =
> - __vb2_queue_alloc(q, memory, num_buffers, num_planes);
> + __vb2_queue_alloc(q, memory, num_buffers, num_planes, plane_sizes);
> if (allocated_buffers == 0) {
> dprintk(1, "memory allocation failed\n");
> return -ENOMEM;
> @@ -775,7 +777,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
> num_planes = 0;
>
> ret = call_qop(q, queue_setup, q, &num_buffers,
> - &num_planes, q->plane_sizes, q->alloc_ctx);
> + &num_planes, plane_sizes, q->alloc_ctx);
>
> if (!ret && allocated_buffers < num_buffers)
> ret = -ENOMEM;
> @@ -832,6 +834,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
> const unsigned requested_sizes[])
> {
> unsigned int num_planes = 0, num_buffers, allocated_buffers;
> + unsigned plane_sizes[VB2_MAX_PLANES] = { };
> int ret;
>
> if (q->num_buffers == VB2_MAX_FRAME) {
> @@ -840,7 +843,6 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
> }
>
> if (!q->num_buffers) {
> - memset(q->plane_sizes, 0, sizeof(q->plane_sizes));
> memset(q->alloc_ctx, 0, sizeof(q->alloc_ctx));
> q->memory = memory;
> q->waiting_for_buffers = !q->is_output;
> @@ -850,7 +852,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
>
> if (requested_planes && requested_sizes) {
> num_planes = requested_planes;
> - memcpy(q->plane_sizes, requested_sizes, sizeof(q->plane_sizes));
> + memcpy(plane_sizes, requested_sizes, sizeof(plane_sizes));
> }
>
> /*
> @@ -858,13 +860,13 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
> * buffer and their sizes are acceptable
> */
> ret = call_qop(q, queue_setup, q, &num_buffers,
> - &num_planes, q->plane_sizes, q->alloc_ctx);
> + &num_planes, plane_sizes, q->alloc_ctx);
> if (ret)
> return ret;
>
> /* Finally, allocate buffers and video memory */
> allocated_buffers = __vb2_queue_alloc(q, memory, num_buffers,
> - num_planes);
> + num_planes, plane_sizes);
> if (allocated_buffers == 0) {
> dprintk(1, "memory allocation failed\n");
> return -ENOMEM;
> @@ -881,7 +883,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
> * queue driver has set up
> */
> ret = call_qop(q, queue_setup, q, &num_buffers,
> - &num_planes, q->plane_sizes, q->alloc_ctx);
> + &num_planes, plane_sizes, q->alloc_ctx);
>
> if (!ret && allocated_buffers < num_buffers)
> ret = -ENOMEM;
> @@ -1097,11 +1099,12 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const void *pb)
> "reacquiring memory\n", plane);
>
> /* Check if the provided plane buffer is large enough */
> - if (planes[plane].length < q->plane_sizes[plane]) {
> + if (planes[plane].length < vb->planes[plane].min_length) {
> dprintk(1, "provided buffer size %u is less than "
> "setup size %u for plane %d\n",
> planes[plane].length,
> - q->plane_sizes[plane], plane);
> + vb->planes[plane].min_length,
> + plane);
> ret = -EINVAL;
> goto err;
> }
> @@ -1214,7 +1217,7 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const void *pb)
> if (planes[plane].length == 0)
> planes[plane].length = dbuf->size;
>
> - if (planes[plane].length < q->plane_sizes[plane]) {
> + if (planes[plane].length < vb->planes[plane].min_length) {
> dprintk(1, "invalid dmabuf length for plane %d\n",
> plane);
> ret = -EINVAL;
> diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
> index b88dbba..ef03ae5 100644
> --- a/include/media/videobuf2-core.h
> +++ b/include/media/videobuf2-core.h
> @@ -129,6 +129,8 @@ struct vb2_mem_ops {
> * @dbuf_mapped: flag to show whether dbuf is mapped or not
> * @bytesused: number of bytes occupied by data in the plane (payload)
> * @length: size of this plane (NOT the payload) in bytes
> + * @min_length: minimum required size of this plane (NOT the payload) in bytes.
> + * @length is always greater or equal to @min_length.
> * @offset: when memory in the associated struct vb2_buffer is
> * VB2_MEMORY_MMAP, equals the offset from the start of
> * the device memory for this plane (or is a "cookie" that
> @@ -150,6 +152,7 @@ struct vb2_plane {
> unsigned int dbuf_mapped;
> unsigned int bytesused;
> unsigned int length;
> + unsigned int min_length;
> union {
> unsigned int offset;
> unsigned long userptr;
> @@ -489,7 +492,6 @@ struct vb2_queue {
> wait_queue_head_t done_wq;
>
> void *alloc_ctx[VB2_MAX_PLANES];
> - unsigned int plane_sizes[VB2_MAX_PLANES];
>
> unsigned int streaming:1;
> unsigned int start_streaming_called:1;
>
^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS
2015-11-20 16:45 ` [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS Hans Verkuil
2015-11-30 14:15 ` Hans Verkuil
@ 2015-12-09 13:13 ` Sakari Ailus
1 sibling, 0 replies; 18+ messages in thread
From: Sakari Ailus @ 2015-12-09 13:13 UTC (permalink / raw)
To: Hans Verkuil; +Cc: linux-media, pawel, jh1009.sung, inki.dae, Hans Verkuil
Hi Hans,
On Fri, Nov 20, 2015 at 05:45:48PM +0100, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@cisco.com>
>
> The handling of q->plane_sizes was wrong in vb2_core_create_bufs().
> The q->plane_sizes array was global and it was overwritten by create_bufs.
> So if reqbufs was called with e.g. size 100000 then q->plane_sizes[0] would
> be set to 100000. If create_bufs was called afterwards with size 200000,
> then q->plane_sizes[0] would be overwritten with the new value. Calling
> create_bufs again for size 100000 would cause an error since 100000 is now
> less than q->plane_sizes[0].
>
> This patch fixes this problem by 1) removing q->plane_sizes and using the
> vb->planes[].length field instead, and 2) by introducing a min_length field
> in struct vb2_plane. This field is set to the plane size as returned by
> the queue_setup op and is the minimum required plane size. So user pointers
> or dmabufs should all be at least this size.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> Reported-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Thanks!
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
--
Sakari Ailus
e-mail: sakari.ailus@iki.fi XMPP: sailus@retiisi.org.uk
^ permalink raw reply [flat|nested] 18+ messages in thread
end of thread, other threads:[~2015-12-09 13:13 UTC | newest]
Thread overview: 18+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-11-20 16:45 [PATCHv11 00/15] Refactoring Videobuf2 for common use Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 01/15] vb2: drop v4l2_format argument from queue_setup Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 02/15] DocBook media: update VIDIOC_CREATE_BUFS documentation Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 03/15] solo6x10: use v4l2_get_timestamp to fill in buffer timestamp Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 04/15] media: videobuf2: Move timestamp to vb2_buffer Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 05/15] media: videobuf2: Add copy_timestamp to struct vb2_queue Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 06/15] media: videobuf2: Separate vb2_poll() Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 07/15] media: videobuf2: last_buffer_queued is set at fill_v4l2_buffer() Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 08/15] media: videobuf2: Refactor vb2_fileio_data and vb2_thread Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 09/15] media: videobuf2: Move vb2_fileio_data and vb2_thread to core part Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 10/15] videobuf2-core.c: update module description Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 11/15] videobuf2-core: fill_user_buffer and copy_timestamp should return void Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 12/15] videobuf2-core: move __setup_lengths into __vb2_queue_alloc() Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 13/15] videobuf2-core: fill in q->bufs[vb->index] before buf_init() Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 14/15] videobuf2-core: call __setup_offsets " Hans Verkuil
2015-11-20 16:45 ` [PATCHv11 15/15] videobuf2-core: fix plane_sizes handling in VIDIOC_CREATE_BUFS Hans Verkuil
2015-11-30 14:15 ` Hans Verkuil
2015-12-09 13:13 ` Sakari Ailus
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