* [PATCH 1/2] drm/mediatek: Implement gem prime vmap/vunmap function
@ 2019-01-16 1:39 CK Hu
2019-01-16 1:39 ` [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device CK Hu
0 siblings, 1 reply; 9+ messages in thread
From: CK Hu @ 2019-01-16 1:39 UTC (permalink / raw)
To: Philipp Zabel, David Airlie, Daniel Vetter, Matthias Brugger,
Noralf Tr�nnes, Frank Wunderlich
Cc: srv_heupstream, linux-kernel, dri-devel, linux-mediatek, CK Hu,
linux-arm-kernel
For some application which need kernel virtual address, such as fbcon,
implement these function to map/unmap kernel virtual address of prime
buffer.
Signed-off-by: CK Hu <ck.hu@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
drivers/gpu/drm/mediatek/mtk_drm_gem.c | 46 ++++++++++++++++++++++++++
drivers/gpu/drm/mediatek/mtk_drm_gem.h | 3 ++
3 files changed, 51 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 6422e99952fe..6ec4ca070382 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -341,6 +341,8 @@ static struct drm_driver mtk_drm_driver = {
.gem_prime_get_sg_table = mtk_gem_prime_get_sg_table,
.gem_prime_import_sg_table = mtk_gem_prime_import_sg_table,
.gem_prime_mmap = mtk_drm_gem_mmap_buf,
+ .gem_prime_vmap = mtk_drm_gem_prime_vmap,
+ .gem_prime_vunmap = mtk_drm_gem_prime_vunmap,
.fops = &mtk_drm_fops,
.name = DRIVER_NAME,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index 259b7b0de1d2..38483e9ee071 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -241,3 +241,49 @@ struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev,
kfree(mtk_gem);
return ERR_PTR(ret);
}
+
+void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj)
+{
+ struct mtk_drm_gem_obj *mtk_gem = to_mtk_gem_obj(obj);
+ struct sg_table *sgt;
+ struct sg_page_iter iter;
+ unsigned int npages;
+ unsigned int i = 0;
+
+ if (mtk_gem->kvaddr)
+ return mtk_gem->kvaddr;
+
+ sgt = mtk_gem_prime_get_sg_table(obj);
+ if (IS_ERR(sgt))
+ return NULL;
+
+ npages = obj->size >> PAGE_SHIFT;
+ mtk_gem->pages = kcalloc(npages, sizeof(*mtk_gem->pages), GFP_KERNEL);
+ if (!mtk_gem->pages)
+ goto out;
+
+ for_each_sg_page(sgt->sgl, &iter, sgt->orig_nents, 0) {
+ mtk_gem->pages[i++] = sg_page_iter_page(&iter);
+ if (i > npages)
+ break;
+ }
+ mtk_gem->kvaddr = vmap(mtk_gem->pages, npages, VM_MAP,
+ pgprot_writecombine(PAGE_KERNEL));
+
+out:
+ kfree((void *)sgt);
+
+ return mtk_gem->kvaddr;
+}
+
+void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
+{
+ struct mtk_drm_gem_obj *mtk_gem = to_mtk_gem_obj(obj);
+
+ if (!mtk_gem->pages)
+ return;
+
+ vunmap(vaddr);
+ mtk_gem->kvaddr = 0;
+ kfree((void *)mtk_gem->pages);
+}
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.h b/drivers/gpu/drm/mediatek/mtk_drm_gem.h
index 534639b43a1c..c047a7ef294f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.h
@@ -37,6 +37,7 @@ struct mtk_drm_gem_obj {
dma_addr_t dma_addr;
unsigned long dma_attrs;
struct sg_table *sg;
+ struct page **pages;
};
#define to_mtk_gem_obj(x) container_of(x, struct mtk_drm_gem_obj, base)
@@ -52,5 +53,7 @@ int mtk_drm_gem_mmap_buf(struct drm_gem_object *obj,
struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach, struct sg_table *sg);
+void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj);
+void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
#endif
--
2.18.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-01-16 1:39 [PATCH 1/2] drm/mediatek: Implement gem prime vmap/vunmap function CK Hu
@ 2019-01-16 1:39 ` CK Hu
2019-01-17 14:14 ` Aw: " Frank Wunderlich
0 siblings, 1 reply; 9+ messages in thread
From: CK Hu @ 2019-01-16 1:39 UTC (permalink / raw)
To: Philipp Zabel, David Airlie, Daniel Vetter, Matthias Brugger,
Noralf Tr�nnes, Frank Wunderlich
Cc: srv_heupstream, linux-kernel, dri-devel, linux-mediatek, CK Hu,
linux-arm-kernel
For Mediatek drm driver, use fbdev emulation to create a framebuffer
device.
Signed-off-by: CK Hu <ck.hu@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 6ec4ca070382..5fcc0e294696 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -16,6 +16,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_helper.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_of.h>
@@ -378,6 +379,10 @@ static int mtk_drm_bind(struct device *dev)
if (ret < 0)
goto err_deinit;
+ ret = drm_fbdev_generic_setup(drm, 32);
+ if (ret)
+ DRM_ERROR("Failed to initialize fbdev: %d\n", ret);
+
return 0;
err_deinit:
--
2.18.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 9+ messages in thread
* Aw: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-01-16 1:39 ` [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device CK Hu
@ 2019-01-17 14:14 ` Frank Wunderlich
2019-01-18 1:46 ` CK Hu
0 siblings, 1 reply; 9+ messages in thread
From: Frank Wunderlich @ 2019-01-17 14:14 UTC (permalink / raw)
To: CK Hu
Cc: Philipp Zabel, srv_heupstream, David Airlie, linux-kernel,
dri-devel, CK Hu, "Noralf Tr�nnes",
linux-mediatek, Daniel Vetter, Matthias Brugger,
linux-arm-kernel
Hi,
this Patchset does not hang on Bananapi R2, but does not show anything on FB-Console...seems anything is missing
https://github.com/frank-w/BPI-R2-4.14/tree/4.20-fbdev
dmesg | grep 'fb\|framebuffer'
[ 0.000000] Linux version 4.20.0-rc7-bpi-r2-fbdev (frank@frank-N56VZ) (gcc version 7.3.0 (Ubuntu/Linaro 7.3.0-27ubuntu1~18.04)) 9
[ 0.000000] cma: Reserved 64 MiB at 0xfb800000
[ 0.000000] Kernel command line: board=bpi-r2 console=earlyprintk console=tty1 fbcon=map:0 console=ttyS0,115200 root=/dev/mmcblk7
[ 5.733185] [drm:drm_fb_helper_generic_probe] surface width(1280), height(1024) and bpp(32)
[ 5.754452] [drm:drm_mode_addfb2] [FB:44]
[ 5.792878] mediatek-drm 14000000.dispsys: fb0: DRM emulated frame buffer device
[ 5.814067] [drm:drm_fb_helper_hotplug_event.part.11]
[ 6.203083] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_hotplug] fbdev: ret=0
[ 24.930347] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0
[ 25.196872] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0
[ 25.281184] [drm:drm_mode_addfb2] [FB:49]
[ 27.947962] [drm:drm_mode_addfb2] [FB:49]
regards Frank
> Gesendet: Mittwoch, 16. Januar 2019 um 02:39 Uhr
> Von: "CK Hu" <ck.hu@mediatek.com>
> An: "Philipp Zabel" <p.zabel@pengutronix.de>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel@ffwll.ch>, "Matthias Brugger" <matthias.bgg@gmail.com>, "Noralf Tr�nnes" <noralf@tronnes.org>, "Frank Wunderlich" <frank-w@public-files.de>
> Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, srv_heupstream@mediatek.com, "CK Hu" <ck.hu@mediatek.com>
> Betreff: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
>
> For Mediatek drm driver, use fbdev emulation to create a framebuffer
> device.
>
> Signed-off-by: CK Hu <ck.hu@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 6ec4ca070382..5fcc0e294696 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -16,6 +16,7 @@
> #include <drm/drm_atomic.h>
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_crtc_helper.h>
> +#include <drm/drm_fb_helper.h>
> #include <drm/drm_gem.h>
> #include <drm/drm_gem_cma_helper.h>
> #include <drm/drm_of.h>
> @@ -378,6 +379,10 @@ static int mtk_drm_bind(struct device *dev)
> if (ret < 0)
> goto err_deinit;
>
> + ret = drm_fbdev_generic_setup(drm, 32);
> + if (ret)
> + DRM_ERROR("Failed to initialize fbdev: %d\n", ret);
> +
> return 0;
>
> err_deinit:
> --
> 2.18.1
>
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: Aw: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-01-17 14:14 ` Aw: " Frank Wunderlich
@ 2019-01-18 1:46 ` CK Hu
2019-01-18 8:39 ` Matthias Brugger
0 siblings, 1 reply; 9+ messages in thread
From: CK Hu @ 2019-01-18 1:46 UTC (permalink / raw)
To: Frank Wunderlich
Cc: Daniel Vetter, srv_heupstream, David Airlie, linux-kernel,
dri-devel, "Noralf Tr�nnes",
linux-mediatek, Philipp Zabel, Matthias Brugger,
linux-arm-kernel
Hi, Frank:
On Thu, 2019-01-17 at 15:14 +0100, Frank Wunderlich wrote:
> Hi,
>
> this Patchset does not hang on Bananapi R2, but does not show anything on FB-Console...seems anything is missing
>
> https://github.com/frank-w/BPI-R2-4.14/tree/4.20-fbdev
>
> dmesg | grep 'fb\|framebuffer'
> [ 0.000000] Linux version 4.20.0-rc7-bpi-r2-fbdev (frank@frank-N56VZ) (gcc version 7.3.0 (Ubuntu/Linaro 7.3.0-27ubuntu1~18.04)) 9
> [ 0.000000] cma: Reserved 64 MiB at 0xfb800000
> [ 0.000000] Kernel command line: board=bpi-r2 console=earlyprintk console=tty1 fbcon=map:0 console=ttyS0,115200 root=/dev/mmcblk7
> [ 5.733185] [drm:drm_fb_helper_generic_probe] surface width(1280), height(1024) and bpp(32)
> [ 5.754452] [drm:drm_mode_addfb2] [FB:44]
> [ 5.792878] mediatek-drm 14000000.dispsys: fb0: DRM emulated frame buffer device
> [ 5.814067] [drm:drm_fb_helper_hotplug_event.part.11]
> [ 6.203083] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_hotplug] fbdev: ret=0
> [ 24.930347] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0
> [ 25.196872] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0
> [ 25.281184] [drm:drm_mode_addfb2] [FB:49]
> [ 27.947962] [drm:drm_mode_addfb2] [FB:49]
The log does not show any information of error, but it close fbdev at
the time 24.930347.
I just test vmap() by writing white color into framebuffer after vmap()
and use user space program to control fbdev to show this framebuffer and
the panel shows white screen. So I believe that vmap() and fbdev works
fine, but I'm not sure what happen to fbcon. I would try to setup fbcon
to find out the bug. If you could try to debug parallelly, it would be
much help.
Regards,
CK
>
> regards Frank
>
>
> > Gesendet: Mittwoch, 16. Januar 2019 um 02:39 Uhr
> > Von: "CK Hu" <ck.hu@mediatek.com>
> > An: "Philipp Zabel" <p.zabel@pengutronix.de>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel@ffwll.ch>, "Matthias Brugger" <matthias.bgg@gmail.com>, "Noralf Tr�nnes" <noralf@tronnes.org>, "Frank Wunderlich" <frank-w@public-files.de>
> > Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, srv_heupstream@mediatek.com, "CK Hu" <ck.hu@mediatek.com>
> > Betreff: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
> >
> > For Mediatek drm driver, use fbdev emulation to create a framebuffer
> > device.
> >
> > Signed-off-by: CK Hu <ck.hu@mediatek.com>
> > ---
> > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > index 6ec4ca070382..5fcc0e294696 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > @@ -16,6 +16,7 @@
> > #include <drm/drm_atomic.h>
> > #include <drm/drm_atomic_helper.h>
> > #include <drm/drm_crtc_helper.h>
> > +#include <drm/drm_fb_helper.h>
> > #include <drm/drm_gem.h>
> > #include <drm/drm_gem_cma_helper.h>
> > #include <drm/drm_of.h>
> > @@ -378,6 +379,10 @@ static int mtk_drm_bind(struct device *dev)
> > if (ret < 0)
> > goto err_deinit;
> >
> > + ret = drm_fbdev_generic_setup(drm, 32);
> > + if (ret)
> > + DRM_ERROR("Failed to initialize fbdev: %d\n", ret);
> > +
> > return 0;
> >
> > err_deinit:
> > --
> > 2.18.1
> >
> >
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: Aw: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-01-18 1:46 ` CK Hu
@ 2019-01-18 8:39 ` Matthias Brugger
2019-01-18 12:33 ` Aw: " Frank Wunderlich
2019-01-20 13:36 ` Frank Wunderlich
0 siblings, 2 replies; 9+ messages in thread
From: Matthias Brugger @ 2019-01-18 8:39 UTC (permalink / raw)
To: CK Hu, Frank Wunderlich
Cc: Philipp Zabel, srv_heupstream, David Airlie, linux-kernel,
dri-devel, Noralf Tr�nnes, linux-mediatek, Daniel Vetter,
linux-arm-kernel
On 18/01/2019 02:46, CK Hu wrote:
> Hi, Frank:
>
> On Thu, 2019-01-17 at 15:14 +0100, Frank Wunderlich wrote:
>> Hi,
>>
>> this Patchset does not hang on Bananapi R2, but does not show anything on FB-Console...seems anything is missing
>>
>> https://github.com/frank-w/BPI-R2-4.14/tree/4.20-fbdev
>>
>> dmesg | grep 'fb\|framebuffer'
>> [ 0.000000] Linux version 4.20.0-rc7-bpi-r2-fbdev (frank@frank-N56VZ) (gcc version 7.3.0 (Ubuntu/Linaro 7.3.0-27ubuntu1~18.04)) 9
>> [ 0.000000] cma: Reserved 64 MiB at 0xfb800000
>> [ 0.000000] Kernel command line: board=bpi-r2 console=earlyprintk console=tty1 fbcon=map:0 console=ttyS0,115200 root=/dev/mmcblk7
>> [ 5.733185] [drm:drm_fb_helper_generic_probe] surface width(1280), height(1024) and bpp(32)
>> [ 5.754452] [drm:drm_mode_addfb2] [FB:44]
>> [ 5.792878] mediatek-drm 14000000.dispsys: fb0: DRM emulated frame buffer device
>> [ 5.814067] [drm:drm_fb_helper_hotplug_event.part.11]
>> [ 6.203083] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_hotplug] fbdev: ret=0
>> [ 24.930347] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0
>> [ 25.196872] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0
>> [ 25.281184] [drm:drm_mode_addfb2] [FB:49]
>> [ 27.947962] [drm:drm_mode_addfb2] [FB:49]
>
> The log does not show any information of error, but it close fbdev at
> the time 24.930347.
>
> I just test vmap() by writing white color into framebuffer after vmap()
> and use user space program to control fbdev to show this framebuffer and
> the panel shows white screen. So I believe that vmap() and fbdev works
> fine, but I'm not sure what happen to fbcon. I would try to setup fbcon
> to find out the bug. If you could try to debug parallelly, it would be
> much help.
>
may it be the not yet fixed mmsys compatible problem?
Frank, did you test with my last series [1]?
Regards,
Matthias
[1] https://patchwork.kernel.org/cover/10686345/
> Regards,
> CK
>
>>
>> regards Frank
>>
>>
>>> Gesendet: Mittwoch, 16. Januar 2019 um 02:39 Uhr
>>> Von: "CK Hu" <ck.hu@mediatek.com>
>>> An: "Philipp Zabel" <p.zabel@pengutronix.de>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel@ffwll.ch>, "Matthias Brugger" <matthias.bgg@gmail.com>, "Noralf Tr�nnes" <noralf@tronnes.org>, "Frank Wunderlich" <frank-w@public-files.de>
>>> Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, srv_heupstream@mediatek.com, "CK Hu" <ck.hu@mediatek.com>
>>> Betreff: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
>>>
>>> For Mediatek drm driver, use fbdev emulation to create a framebuffer
>>> device.
>>>
>>> Signed-off-by: CK Hu <ck.hu@mediatek.com>
>>> ---
>>> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +++++
>>> 1 file changed, 5 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
>>> index 6ec4ca070382..5fcc0e294696 100644
>>> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
>>> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
>>> @@ -16,6 +16,7 @@
>>> #include <drm/drm_atomic.h>
>>> #include <drm/drm_atomic_helper.h>
>>> #include <drm/drm_crtc_helper.h>
>>> +#include <drm/drm_fb_helper.h>
>>> #include <drm/drm_gem.h>
>>> #include <drm/drm_gem_cma_helper.h>
>>> #include <drm/drm_of.h>
>>> @@ -378,6 +379,10 @@ static int mtk_drm_bind(struct device *dev)
>>> if (ret < 0)
>>> goto err_deinit;
>>>
>>> + ret = drm_fbdev_generic_setup(drm, 32);
>>> + if (ret)
>>> + DRM_ERROR("Failed to initialize fbdev: %d\n", ret);
>>> +
>>> return 0;
>>>
>>> err_deinit:
>>> --
>>> 2.18.1
>>>
>>>
>>
>> _______________________________________________
>> Linux-mediatek mailing list
>> Linux-mediatek@lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek
>
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
* Aw: Re: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-01-18 8:39 ` Matthias Brugger
@ 2019-01-18 12:33 ` Frank Wunderlich
2019-01-20 13:36 ` Frank Wunderlich
1 sibling, 0 replies; 9+ messages in thread
From: Frank Wunderlich @ 2019-01-18 12:33 UTC (permalink / raw)
To: Matthias Brugger
Cc: Philipp Zabel, srv_heupstream, David Airlie, linux-kernel,
dri-devel, "Noralf Tr�nnes",
linux-mediatek, Daniel Vetter, CK Hu, linux-arm-kernel
I have tested same codebase where my FBDev-Patch works (4.20-hdmiv5), only without it and CK Hu's 2 Patches
does generic fbdev depend on the mmsys-Patch?
regards Frank
> Gesendet: Freitag, 18. Januar 2019 um 09:39 Uhr
> Von: "Matthias Brugger" <matthias.bgg@gmail.com>
> may it be the not yet fixed mmsys compatible problem?
> Frank, did you test with my last series [1]?
>
> Regards,
> Matthias
>
> [1] https://patchwork.kernel.org/cover/10686345/
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
* Aw: Re: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-01-18 8:39 ` Matthias Brugger
2019-01-18 12:33 ` Aw: " Frank Wunderlich
@ 2019-01-20 13:36 ` Frank Wunderlich
2019-03-19 3:12 ` CK Hu
1 sibling, 1 reply; 9+ messages in thread
From: Frank Wunderlich @ 2019-01-20 13:36 UTC (permalink / raw)
To: Matthias Brugger
Cc: Philipp Zabel, srv_heupstream, David Airlie, linux-kernel,
dri-devel, "Noralf Tr�nnes",
linux-mediatek, Daniel Vetter, CK Hu, linux-arm-kernel
Tested with mmsys-Patch, but same result, no fbcon, tft is switched on but i see no kernel-log
after boot is finished, i see X-server, until this point i see only black screen
regards Frank
> Gesendet: Freitag, 18. Januar 2019 um 09:39 Uhr
> Von: "Matthias Brugger" <matthias.bgg@gmail.com>
> may it be the not yet fixed mmsys compatible problem?
> Frank, did you test with my last series [1]?
> [1] https://patchwork.kernel.org/cover/10686345/
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: Aw: Re: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-01-20 13:36 ` Frank Wunderlich
@ 2019-03-19 3:12 ` CK Hu
2019-03-19 16:52 ` Aw: " Frank Wunderlich
0 siblings, 1 reply; 9+ messages in thread
From: CK Hu @ 2019-03-19 3:12 UTC (permalink / raw)
To: Frank Wunderlich
Cc: Philipp Zabel, srv_heupstream, David Airlie, linux-kernel,
dri-devel, "Noralf Tr�nnes",
linux-mediatek, Daniel Vetter, Matthias Brugger,
linux-arm-kernel
Hi, Frank:
My platform's fbcon works correctly, so I've applied this series to [1].
If you have another patch, I'd treat it as a bug-fix.
[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-fixes-5.1
Regards,
CK
On Sun, 2019-01-20 at 14:36 +0100, Frank Wunderlich wrote:
> Tested with mmsys-Patch, but same result, no fbcon, tft is switched on but i see no kernel-log
>
> after boot is finished, i see X-server, until this point i see only black screen
>
> regards Frank
>
>
> > Gesendet: Freitag, 18. Januar 2019 um 09:39 Uhr
> > Von: "Matthias Brugger" <matthias.bgg@gmail.com>
> > may it be the not yet fixed mmsys compatible problem?
> > Frank, did you test with my last series [1]?
> > [1] https://patchwork.kernel.org/cover/10686345/
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
* Aw: Re: Re: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device
2019-03-19 3:12 ` CK Hu
@ 2019-03-19 16:52 ` Frank Wunderlich
0 siblings, 0 replies; 9+ messages in thread
From: Frank Wunderlich @ 2019-03-19 16:52 UTC (permalink / raw)
To: CK Hu
Cc: Daniel Vetter, srv_heupstream, David Airlie, linux-kernel,
dri-devel, "Noralf Tr�nnes",
linux-mediatek, Philipp Zabel, Matthias Brugger,
linux-arm-kernel
Hi,
i try to get hdmi running on bananapi-r2 with 5.1 but also without CK Hu's frambuffer-Patch i get no x-server working
my codebase: https://github.com/frank-w/BPI-R2-4.14/commits/5.1-hdmi
reused some Patches working on 5.0 (here X-server is working, but not fbcon)
WARNING: CPU: 2 PID: 895 at drivers/gpu/drm/drm_atomic_helper.c:1430 drm_atomic_helper_wait_for_vblanks.part.1+0x2a4/0x2a8
any hint how to fix this? if needed i can send full bootlog (with drm.debug=7)
regards Frank
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2019-03-19 16:53 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-01-16 1:39 [PATCH 1/2] drm/mediatek: Implement gem prime vmap/vunmap function CK Hu
2019-01-16 1:39 ` [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device CK Hu
2019-01-17 14:14 ` Aw: " Frank Wunderlich
2019-01-18 1:46 ` CK Hu
2019-01-18 8:39 ` Matthias Brugger
2019-01-18 12:33 ` Aw: " Frank Wunderlich
2019-01-20 13:36 ` Frank Wunderlich
2019-03-19 3:12 ` CK Hu
2019-03-19 16:52 ` Aw: " Frank Wunderlich
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).