Re: [PATCH v2 3/3] drm: rcar-du: Add DRM_MODE_BLEND_PIXEL_NONE support

Hello Hayama-san, Thank you for the patch. On Wed, Aug 10, 2022 at 05:37:11PM +0900, Takanari Hayama wrote: > DRM_MODE_BLEND_PIXEL_NONE ignores an alpha channel. > > Rcar-du driver supports only 3 formats with an alpha channel > (DRM_FORMAT_ARGB1555, DRM_FORMAT_ARGB and

[PATCH v2 3/3] drm: rcar-du: Add DRM_MODE_BLEND_PIXEL_NONE support

DRM_MODE_BLEND_PIXEL_NONE ignores an alpha channel. Rcar-du driver supports only 3 formats with an alpha channel (DRM_FORMAT_ARGB1555, DRM_FORMAT_ARGB and DRM_FORMAT_ARGB). We simply override the format passed to VSP1 for blending with the pixel format without alpha channel.