Re: [PATCH 07/15] drm/i915: Add NV12 as supported format for primary plane

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Fri, Sep 04, 2015 at 07:33:03PM -0700, Chandra Konduru wrote:
> This patch adds NV12 to list of supported formats for
> primary plane.
> 
> v2:
> -Rebased (me)
> 
> Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
> Testcase: igt/kms_nv12
> ---
>  drivers/gpu/drm/i915/intel_display.c |   22 ++++++++++++++++++++--
>  1 file changed, 20 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 3f9111e..84dad95 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -74,6 +74,19 @@ static const uint32_t skl_primary_formats[] = {
>  	DRM_FORMAT_XBGR2101010,
>  };
>  
> +/* Primary plane formats for gen >= 9 with NV12 */
> +static const uint32_t skl_primary_formats_with_nv12[] = {
> +	DRM_FORMAT_C8,
> +	DRM_FORMAT_RGB565,
> +	DRM_FORMAT_XRGB8888,
> +	DRM_FORMAT_XBGR8888,
> +	DRM_FORMAT_ARGB8888,
> +	DRM_FORMAT_ABGR8888,
> +	DRM_FORMAT_XRGB2101010,
> +	DRM_FORMAT_XBGR2101010,
> +	DRM_FORMAT_NV12,
> +};

Looks like we've since gained support for packed YUV formats, so this
patch needs a respin to include those as well.

> +
>  /* Cursor formats */
>  static const uint32_t intel_cursor_formats[] = {
>  	DRM_FORMAT_ARGB8888,
> @@ -13612,8 +13625,13 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
>  		primary->plane = !pipe;
>  
>  	if (INTEL_INFO(dev)->gen >= 9) {
> -		intel_primary_formats = skl_primary_formats;
> -		num_formats = ARRAY_SIZE(skl_primary_formats);
> +		if (pipe == PIPE_A || pipe == PIPE_B) {
> +			intel_primary_formats = skl_primary_formats_with_nv12;
> +			num_formats = ARRAY_SIZE(skl_primary_formats_with_nv12);
> +		} else {
> +			intel_primary_formats = skl_primary_formats;
> +			num_formats = ARRAY_SIZE(skl_primary_formats);
> +		}
>  	} else if (INTEL_INFO(dev)->gen >= 4) {
>  		intel_primary_formats = i965_primary_formats;
>  		num_formats = ARRAY_SIZE(i965_primary_formats);
> -- 
> 1.7.9.5
> 
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-- 
Ville Syrjälä
Intel OTC
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