diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index ae7b122274acad6f4358f84c8ee21c69f3181cc3..31a9a228744e7d09140a5f77d713ebdd18749809 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;