[RFC,v2] drm/komeda: Creates plane alpha and blend mode properties

[james qian wang (Arm Technology China)]

On Thu, Apr 04, 2019 at 10:10:36AM +0000, Lowry Li (Arm Technology China) wrote:
> Creates plane alpha and blend mode properties attached to plane.
> 
> This patch depends on:
> - https://patchwork.freedesktop.org/series/54448/
> - https://patchwork.freedesktop.org/series/54449/
> - https://patchwork.freedesktop.org/series/54450/
> 
> Changes since v1:
> - Adds patch denpendency in the comment
> 
> Signed-off-by: Lowry Li (Arm Technology China) <lowry.li at arm.com>
> ---
>  drivers/gpu/drm/arm/display/komeda/komeda_plane.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
> index 68cd2c9e..aae5e80 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
> @@ -220,6 +220,17 @@ static int komeda_plane_add(struct komeda_kms_dev *kms,
>  
>  	drm_plane_helper_add(plane, &komeda_plane_helper_funcs);
>  
> +	err = drm_plane_create_alpha_property(plane);
> +	if (err)
> +		goto cleanup;
> +
> +	err = drm_plane_create_blend_mode_property(plane,
> +			BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> +			BIT(DRM_MODE_BLEND_PREMULTI)   |
> +			BIT(DRM_MODE_BLEND_COVERAGE));
> +	if (err)
> +		goto cleanup;
> +
>  	return 0;
>  cleanup:
>  	komeda_plane_destroy(plane);

Looks good to me.

Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang at arm.com>