[PATCH] drm/i915/skl+: Add YUV pixel format in Capability list

[PATCH] drm/i915/skl+: Add YUV pixel format in Capability list

[Kumar, Mahesh]

GEN >= 9 supports YUV format for all planes, but it's not exported in
Capability list of primary plane. Add YUV formats in skl_primary_formats
list.
Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not
filling bits_per_pixel field of fb-struct for YUV pixel format.
This leads to divide by zero error during watermark calculation.

Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Cc: Konduru, Chandra <chandra.konduru@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 drivers/gpu/drm/i915/intel_pm.c      | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index bb58cb6..f4b27af 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
 	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_XRGB2101010,
 	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
 };
 
 /* Cursor formats */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index f2be1ce..1d13b7e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3156,8 +3156,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
 		/* For planar: Bpp is for uv plane, y_Bpp is for y plane */
 		if (fb) {
 			p->plane[0].enabled = true;
-			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
-				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
+			p->plane[0].bytes_per_pixel =
+				drm_format_plane_cpp(fb->pixel_format, 1);
 			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
 				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
 			p->plane[0].tiling = fb->modifier[0];
-- 
1.9.1

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Re: [PATCH] drm/i915/skl+: Add YUV pixel format in Capability list

[Daniel Vetter]

On Tue, Jul 14, 2015 at 06:08:06PM +0530, Kumar, Mahesh wrote:
> GEN >= 9 supports YUV format for all planes, but it's not exported in
> Capability list of primary plane. Add YUV formats in skl_primary_formats
> list.
> Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not
> filling bits_per_pixel field of fb-struct for YUV pixel format.
> This leads to divide by zero error during watermark calculation.
> 
> Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
> Cc: Konduru, Chandra <chandra.konduru@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 4 ++++
>  drivers/gpu/drm/i915/intel_pm.c      | 4 ++--
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index bb58cb6..f4b27af 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
>  	DRM_FORMAT_ABGR8888,
>  	DRM_FORMAT_XRGB2101010,
>  	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_YUYV,
> +	DRM_FORMAT_YVYU,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_VYUY,

Needs testcase (or reworking an existing testcase to also test the primary
plane). Also we should really aim to unify all the skl plane functions ...
-Daniel

>  };
>  
>  /* Cursor formats */
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index f2be1ce..1d13b7e 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3156,8 +3156,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
>  		/* For planar: Bpp is for uv plane, y_Bpp is for y plane */
>  		if (fb) {
>  			p->plane[0].enabled = true;
> -			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
> -				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
> +			p->plane[0].bytes_per_pixel =
> +				drm_format_plane_cpp(fb->pixel_format, 1);
>  			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
>  				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
>  			p->plane[0].tiling = fb->modifier[0];
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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[PATCH V2] drm/i915/skl+: Add YUV pixel format in Capability list

[Kumar, Mahesh]

GEN >= 9 supports YUV format for all planes, but it's not exported in
Capability list of primary plane. Add YUV formats in skl_primary_formats
list.
Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not
filling bits_per_pixel field of fb-struct for YUV pixel format.
This leads to divide by zero error during watermark calculation.

V2: Don't break NV12 case.

Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Cc: Konduru, Chandra <chandra.konduru@intel.com>
---

 IGT changes made for testcase will be sent in separate patch.

 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 drivers/gpu/drm/i915/intel_pm.c      | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index af0bcfe..d31704a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
 	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_XRGB2101010,
 	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
 };
 
 /* Cursor formats */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 5eeddc9..5768f8c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3164,7 +3164,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
 		if (fb) {
 			p->plane[0].enabled = true;
 			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
-				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
+				drm_format_plane_cpp(fb->pixel_format, 1) :
+				drm_format_plane_cpp(fb->pixel_format, 0);
 			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
 				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
 			p->plane[0].tiling = fb->modifier[0];
-- 
1.9.1

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Re: [PATCH V2] drm/i915/skl+: Add YUV pixel format in Capability list

[shuang.he]

Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
Task id: 6823
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
ILK                                  302/302              302/302
SNB                                  315/315              315/315
IVB                                  342/342              342/342
BYT                 -1              285/285              284/285
HSW                                  378/378              378/378
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*BYT  igt@gem_partial_pwrite_pread@reads-display      PASS(1)      FAIL(1)
Note: You need to pay more attention to line start with '*'
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Re: [PATCH V2] drm/i915/skl+: Add YUV pixel format in Capability list

[Jindal, Sonika]

Can you please add the test case name to the commit message?
Also, this should be split into two patches one addressing the divide by zero error and another one to add plane formats.

Regards,
Sonika

-----Original Message-----
From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf Of Kumar, Mahesh
Sent: Friday, July 17, 2015 7:21 PM
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH V2] drm/i915/skl+: Add YUV pixel format in Capability list

GEN >= 9 supports YUV format for all planes, but it's not exported in Capability list of primary plane. Add YUV formats in skl_primary_formats list.
Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not filling bits_per_pixel field of fb-struct for YUV pixel format.
This leads to divide by zero error during watermark calculation.

V2: Don't break NV12 case.

Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Cc: Konduru, Chandra <chandra.konduru@intel.com>
---

 IGT changes made for testcase will be sent in separate patch.

 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 drivers/gpu/drm/i915/intel_pm.c      | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index af0bcfe..d31704a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
 	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_XRGB2101010,
 	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
 };
 
 /* Cursor formats */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 5eeddc9..5768f8c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3164,7 +3164,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
 		if (fb) {
 			p->plane[0].enabled = true;
 			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
-				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
+				drm_format_plane_cpp(fb->pixel_format, 1) :
+				drm_format_plane_cpp(fb->pixel_format, 0);
 			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
 				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
 			p->plane[0].tiling = fb->modifier[0];
--
1.9.1

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Re: [PATCH V2] drm/i915/skl+: Add YUV pixel format in Capability list

[Kumar, Mahesh]

Ok..., Will resubmit the patch with suggested changes.

Regards,
-Mahesh

On 8/24/2015 3:53 PM, Jindal, Sonika wrote:
> Can you please add the test case name to the commit message?
> Also, this should be split into two patches one addressing the divide by zero error and another one to add plane formats.
>
> Regards,
> Sonika
>
> -----Original Message-----
> From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf Of Kumar, Mahesh
> Sent: Friday, July 17, 2015 7:21 PM
> To: intel-gfx@lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH V2] drm/i915/skl+: Add YUV pixel format in Capability list
>
> GEN >= 9 supports YUV format for all planes, but it's not exported in Capability list of primary plane. Add YUV formats in skl_primary_formats list.
> Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not filling bits_per_pixel field of fb-struct for YUV pixel format.
> This leads to divide by zero error during watermark calculation.
>
> V2: Don't break NV12 case.
>
> Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
> Cc: Konduru, Chandra <chandra.konduru@intel.com>
> ---
>
>   IGT changes made for testcase will be sent in separate patch.
>
>   drivers/gpu/drm/i915/intel_display.c | 4 ++++
>   drivers/gpu/drm/i915/intel_pm.c      | 3 ++-
>   2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index af0bcfe..d31704a 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
>   	DRM_FORMAT_ABGR8888,
>   	DRM_FORMAT_XRGB2101010,
>   	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_YUYV,
> +	DRM_FORMAT_YVYU,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_VYUY,
>   };
>   
>   /* Cursor formats */
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 5eeddc9..5768f8c 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3164,7 +3164,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
>   		if (fb) {
>   			p->plane[0].enabled = true;
>   			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
> -				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
> +				drm_format_plane_cpp(fb->pixel_format, 1) :
> +				drm_format_plane_cpp(fb->pixel_format, 0);
>   			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
>   				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
>   			p->plane[0].tiling = fb->modifier[0];
> --
> 1.9.1
>
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

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Re: [PATCH V2] drm/i915/skl+: Add YUV pixel format in Capability list

[Ville Syrjälä]

On Fri, Jul 17, 2015 at 07:20:41PM +0530, Kumar, Mahesh wrote:
> GEN >= 9 supports YUV format for all planes, but it's not exported in
> Capability list of primary plane. Add YUV formats in skl_primary_formats
> list.
> Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not
> filling bits_per_pixel field of fb-struct for YUV pixel format.
> This leads to divide by zero error during watermark calculation.
> 
> V2: Don't break NV12 case.
> 
> Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
> Cc: Konduru, Chandra <chandra.konduru@intel.com>
> ---
> 
>  IGT changes made for testcase will be sent in separate patch.
> 
>  drivers/gpu/drm/i915/intel_display.c | 4 ++++
>  drivers/gpu/drm/i915/intel_pm.c      | 3 ++-
>  2 files changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index af0bcfe..d31704a 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
>  	DRM_FORMAT_ABGR8888,
>  	DRM_FORMAT_XRGB2101010,
>  	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_YUYV,
> +	DRM_FORMAT_YVYU,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_VYUY,
>  };
>  
>  /* Cursor formats */
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 5eeddc9..5768f8c 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3164,7 +3164,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
>  		if (fb) {
>  			p->plane[0].enabled = true;
>  			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
> -				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
> +				drm_format_plane_cpp(fb->pixel_format, 1) :
> +				drm_format_plane_cpp(fb->pixel_format, 0);

Someone should really fix the SKL WM code to treat the Y plane as the
normal case and CbCr as the special case. Currently we do just the
opposite which leads to this kind of checks all over the place.

>  			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
>  				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
>  			p->plane[0].tiling = fb->modifier[0];
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
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[PATCH 1/2] drm/i915/skl: Avoid using un-initialized bits_per_pixel

[Kumar, Mahesh]

Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not
filling bits_per_pixel field of fb-struct for YUV pixel format.
This leads to divide by zero error during watermark calculation.

Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Cc: Konduru, Chandra <chandra.konduru@intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ea49661..1b90f03 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3170,7 +3170,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
 		if (fb) {
 			p->plane[0].enabled = true;
 			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
-				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
+				drm_format_plane_cpp(fb->pixel_format, 1) :
+				drm_format_plane_cpp(fb->pixel_format, 0);
 			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
 				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
 			p->plane[0].tiling = fb->modifier[0];
-- 
1.9.1

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[PATCH 2/2] drm/i915/skl+: Add YUV pixel format in Capability list

[Kumar, Mahesh]

GEN >= 9 supports YUV format for all planes, but it's not exported in
Capability list of primary plane. Add YUV formats in skl_primary_formats
list.

Testcase: igt/kms_universal_plane.c

Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Cc: Konduru, Chandra <chandra.konduru@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0377520..5ab8a1a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
 	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_XRGB2101010,
 	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
 };
 
 /* Cursor formats */
-- 
1.9.1

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Re: [PATCH 2/2] drm/i915/skl+: Add YUV pixel format in Capability list

[Jindal, Sonika]

Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>

-----Original Message-----
From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf Of Kumar, Mahesh
Sent: Thursday, September 3, 2015 4:17 PM
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 2/2] drm/i915/skl+: Add YUV pixel format in Capability list

GEN >= 9 supports YUV format for all planes, but it's not exported in Capability list of primary plane. Add YUV formats in skl_primary_formats list.

Testcase: igt/kms_universal_plane.c

Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Cc: Konduru, Chandra <chandra.konduru@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0377520..5ab8a1a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
 	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_XRGB2101010,
 	DRM_FORMAT_XBGR2101010,
+	DRM_FORMAT_YUYV,
+	DRM_FORMAT_YVYU,
+	DRM_FORMAT_UYVY,
+	DRM_FORMAT_VYUY,
 };
 
 /* Cursor formats */
--
1.9.1

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Re: [PATCH 1/2] drm/i915/skl: Avoid using un-initialized bits_per_pixel

[Jindal, Sonika]

Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>

-----Original Message-----
From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf Of Kumar, Mahesh
Sent: Thursday, September 3, 2015 4:17 PM
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 1/2] drm/i915/skl: Avoid using un-initialized bits_per_pixel

Don't rely on fb->bits_per_pixel as intel_framebuffer_init is not filling bits_per_pixel field of fb-struct for YUV pixel format.
This leads to divide by zero error during watermark calculation.

Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
Cc: Konduru, Chandra <chandra.konduru@intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ea49661..1b90f03 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3170,7 +3170,8 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc,
 		if (fb) {
 			p->plane[0].enabled = true;
 			p->plane[0].bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
-				drm_format_plane_cpp(fb->pixel_format, 1) : fb->bits_per_pixel / 8;
+				drm_format_plane_cpp(fb->pixel_format, 1) :
+				drm_format_plane_cpp(fb->pixel_format, 0);
 			p->plane[0].y_bytes_per_pixel = fb->pixel_format == DRM_FORMAT_NV12 ?
 				drm_format_plane_cpp(fb->pixel_format, 0) : 0;
 			p->plane[0].tiling = fb->modifier[0];
--
1.9.1

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Re: [PATCH 2/2] drm/i915/skl+: Add YUV pixel format in Capability list

[Daniel Vetter]

On Thu, Sep 03, 2015 at 11:30:07AM +0000, Jindal, Sonika wrote:
> Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>
> 
> -----Original Message-----
> From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf Of Kumar, Mahesh
> Sent: Thursday, September 3, 2015 4:17 PM
> To: intel-gfx@lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH 2/2] drm/i915/skl+: Add YUV pixel format in Capability list
> 
> GEN >= 9 supports YUV format for all planes, but it's not exported in Capability list of primary plane. Add YUV formats in skl_primary_formats list.
> 
> Testcase: igt/kms_universal_plane.c
> 
> Signed-off-by: Kumar, Mahesh <mahesh1.kumar@intel.com>
> Cc: Konduru, Chandra <chandra.konduru@intel.com>

Both patches applied to dinq, thanks.
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_display.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 0377520..5ab8a1a 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -72,6 +72,10 @@ static const uint32_t skl_primary_formats[] = {
>  	DRM_FORMAT_ABGR8888,
>  	DRM_FORMAT_XRGB2101010,
>  	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_YUYV,
> +	DRM_FORMAT_YVYU,
> +	DRM_FORMAT_UYVY,
> +	DRM_FORMAT_VYUY,
>  };
>  
>  /* Cursor formats */
> --
> 1.9.1
> 
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> Intel-gfx@lists.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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