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

[Sharma, Shashank]

Reviewed-by: Shashank Sharma <shashank.sharma at intel.com>

Regards
Shashank
On 2/21/2018 3:50 PM, Vidya Srinivas wrote:
> From: Chandra Konduru <chandra.konduru at 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.
>
> v11: Addressed review comments from Shashank Sharma
>
> v12: Addressed review comments from Shashank Sharma
> Made the condition in intel_sprite_plane_create
> simple and easy to read as suggested.
>
> Tested-by: Clinton Taylor <clinton.a.taylor at intel.com>
> Reviewed-by: Clinton Taylor <clinton.a.taylor at intel.com>
> Signed-off-by: Chandra Konduru <chandra.konduru at intel.com>
> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti at intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas at intel.com>
> ---
>   drivers/gpu/drm/i915/intel_sprite.c | 9 +++++++++
>   1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 77a5433..20e23e5 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1171,6 +1171,7 @@ 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[] = {
> @@ -1369,6 +1370,14 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
>   		plane_formats = skl_plane_formats;
>   		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
>   
> +		if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) == 10) {
> +			if (plane != 0)
> +				num_plane_formats -= 1;
> +		} else {
> +			if (plane != 0 || pipe != PIPE_C)
> +				num_plane_formats -= 1;
> +		}
> +
>   		if (skl_plane_has_ccs(dev_priv, pipe, PLANE_SPRITE0 + plane))
>   			modifiers = skl_plane_format_modifiers_ccs;
>   		else