linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH v2] media: venus: amend buffer size for bitstream plane
@ 2018-11-20  6:53 Malathi Gottam
  2018-11-26  8:21 ` Alexandre Courbot
  2018-11-26  9:43 ` Stanimir Varbanov
  0 siblings, 2 replies; 3+ messages in thread
From: Malathi Gottam @ 2018-11-20  6:53 UTC (permalink / raw)
  To: stanimir.varbanov, hverkuil, mchehab
  Cc: linux-media, linux-kernel, linux-arm-msm, acourbot, vgarodia, mgottam

Accept the buffer size requested by client and compare it
against driver calculated size and set the maximum to
bitstream plane.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
---
 drivers/media/platform/qcom/venus/venc.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index ce85962..ecfdbd6 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -303,6 +303,7 @@ static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 	struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 	struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
 	const struct venus_format *fmt;
+	__u32 sizeimage;
 
 	memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 	memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
@@ -334,9 +335,10 @@ static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 	pixmp->num_planes = fmt->num_planes;
 	pixmp->flags = 0;
 
-	pfmt[0].sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
-						     pixmp->width,
-						     pixmp->height);
+	sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
+					     pixmp->width,
+					     pixmp->height);
+	pfmt[0].sizeimage = max(ALIGN(pfmt[0].sizeimage, SZ_4K), sizeimage);
 
 	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 		pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
@@ -408,8 +410,10 @@ static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 
 	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 		inst->fmt_out = fmt;
-	else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+	else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 		inst->fmt_cap = fmt;
+		inst->output_buf_size = pixmp->plane_fmt[0].sizeimage;
+	}
 
 	return 0;
 }
@@ -908,6 +912,7 @@ static int venc_queue_setup(struct vb2_queue *q,
 		sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
 						    inst->width,
 						    inst->height);
+		sizes[0] = max(sizes[0], inst->output_buf_size);
 		inst->output_buf_size = sizes[0];
 		break;
 	default:
-- 
1.9.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-11-26  9:43 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-11-20  6:53 [PATCH v2] media: venus: amend buffer size for bitstream plane Malathi Gottam
2018-11-26  8:21 ` Alexandre Courbot
2018-11-26  9:43 ` Stanimir Varbanov

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).