Re: [PATCH 14/16] drm/i915: Add NV12 as supported format for sprite plane

["Sharma, Shashank" <shashank.sharma@intel.com>]

Regards

Shashank


On 2/6/2018 6:28 PM, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru@intel.com>
>
> This patch adds NV12 to list of supported formats for sprite plane.
>
> v2: Rebased (me)
>
> v3: Review comments by Ville addressed
> - Removed skl_plane_formats_with_nv12 and added
> NV12 case in existing skl_plane_formats
> - Added the 10bpc RGB formats
>
> v4: Addressed review comments from Clinton A Taylor
> "Why are we adding 10 bit RGB formats with the NV12 series patches?
> Trying to set XR30 or AB30 results in error returned even though
> the modes are advertised for the planes"
> - Removed 10bit RGB formats added previously with NV12 series
>
> v5: Missed the Tested-by/Reviewed-by in the previous series
> Adding the same to commit message in this version.
> Addressed review comments from Clinton A Taylor
> "Why are we adding 10 bit RGB formats with the NV12 series patches?
> Trying to set XR30 or AB30 results in error returned even though
> the modes are advertised for the planes"
> - Previous version has 10bit RGB format removed from VLV formats
> by mistake. Fixing that in this version.
> Removed 10bit RGB formats added previously with NV12 series
> for SKL.
>
> v6: Addressed review comments by Ville
> Restricting the NV12 to BXT and PIPE A and B
>
> v7: Rebased (me)
>
> v8: Rebased (me)
> Restricting NV12 changes to BXT and KBL
> Restricting NV12 changes for plane 0 (overlay)
>
> v9: Rebased (me)
>
> v10: Addressed review comments from Maarten.
> Adding NV12 to skl_plane_formats itself.
>
> Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
> Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
> ---
>   drivers/gpu/drm/i915/intel_sprite.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index f2e144b..f359b22 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1168,6 +1168,7 @@ static uint32_t skl_plane_formats[] = {
>   	DRM_FORMAT_YVYU,
>   	DRM_FORMAT_UYVY,
>   	DRM_FORMAT_VYUY,
> +	DRM_FORMAT_NV12,
>   };
>   
>   static const uint64_t skl_plane_format_modifiers_noccs[] = {
> @@ -1366,6 +1367,10 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
>   		plane_formats = skl_plane_formats;
>   		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
>   
> +		if (INTEL_GEN(dev_priv) <= 10 && ((plane != 0) ||
braces for (plane != 0) not required, also does this means GLK/CNL can't 
support NV12 on sprite planes ?
> +			(pipe == PIPE_C)))
braces for (pipe == PIPE_C) not required
> +			num_plane_formats -= 1;
> +
>   		if (skl_plane_has_ccs(dev_priv, pipe, PLANE_SPRITE0 + plane))
>   			modifiers = skl_plane_format_modifiers_ccs;
>   		else

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