drm/exynos: mixer: also allow ARGB1555 and ARGB4444

Allow the remaining alpha formats now that blending
is properly setup.

Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index ae7b122274ac..31a9a228744e 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -76,7 +76,9 @@ enum mixer_flag_bits {
 
 static const uint32_t mixer_formats[] = {
         DRM_FORMAT_XRGB4444,
+        DRM_FORMAT_ARGB4444,
         DRM_FORMAT_XRGB1555,
+        DRM_FORMAT_ARGB1555,
         DRM_FORMAT_RGB565,
         DRM_FORMAT_XRGB8888,
         DRM_FORMAT_ARGB8888,
@@ -169,6 +171,8 @@ static inline bool is_alpha_format(unsigned int pixel_format)
 {
         switch (pixel_format) {
         case DRM_FORMAT_ARGB8888:
+        case DRM_FORMAT_ARGB1555:
+        case DRM_FORMAT_ARGB4444:
                 return true;
         default:
                 return false;
@@ -595,10 +599,12 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
 
         switch (fb->pixel_format) {
         case DRM_FORMAT_XRGB4444:
+        case DRM_FORMAT_ARGB4444:
                 fmt = MXR_FORMAT_ARGB4444;
                 break;
 
         case DRM_FORMAT_XRGB1555:
+        case DRM_FORMAT_ARGB1555:
                 fmt = MXR_FORMAT_ARGB1555;
                 break;