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Commit 0a58c9b1 authored by Takanari Hayama's avatar Takanari Hayama Committed by Laurent Pinchart
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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_ARGB8888 and DRM_FORMAT_ARGB4444). We
simply override the format passed to VSP1 for blending with the pixel
format without alpha channel.

Suggested-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarTakanari Hayama <taki@igel.co.jp>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
parent b07f5a4d
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