drm: vc4: enable XBGR8888 and ABGR8888 pixel formats

DRM_FORMAT_XBGR8888 and DRM_FORMAT_ABGR8888 are 2 of the native formats
used in Android, so enable them for VC4. There seems to be no logic behind
HVS_PIXEL_ORDER_xxxx naming, but HVS_PIXEL_ORDER_ARGB seems to work
correctly.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
index 4037b52..b12deef 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -93,6 +93,14 @@ static const struct hvs_format {
                .drm = DRM_FORMAT_ARGB8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
                .pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = true,
        },
+       {
+               .drm = DRM_FORMAT_ABGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
+               .pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = true,
+       },
+       {
+               .drm = DRM_FORMAT_XBGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
+               .pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = false,
+       },
        {
                .drm = DRM_FORMAT_RGB565, .hvs = HVS_PIXEL_FORMAT_RGB565,
                .pixel_order = HVS_PIXEL_ORDER_XRGB, .has_alpha = false,