drm/exynos: gsc: Add limited support for ARGB8888 format

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: I88bac208fc1c7d1e753eeddb22143f95c2d52c64

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 00f7ea5..a1383a4 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -465,6 +465,7 @@ static void gsc_src_set_fmt(struct gsc_context *ctx, u32 fmt)
                cfg |= GSC_IN_RGB565;
                break;
        case DRM_FORMAT_XRGB8888:
+       case DRM_FORMAT_ARGB8888:
                cfg |= GSC_IN_XRGB8888;
                break;
        case DRM_FORMAT_BGRX8888:
@@ -647,8 +648,9 @@ static void gsc_dst_set_fmt(struct gsc_context *ctx, u32 fmt)
        case DRM_FORMAT_RGB565:
                cfg |= GSC_OUT_RGB565;
                break;
+       case DRM_FORMAT_ARGB8888:
        case DRM_FORMAT_XRGB8888:
-               cfg |= GSC_OUT_XRGB8888;
+               cfg |= (GSC_OUT_XRGB8888 | GSC_OUT_GLOBAL_ALPHA(0xff));
                break;
        case DRM_FORMAT_BGRX8888:
                cfg |= (GSC_OUT_XRGB8888 | GSC_OUT_RB_SWAP);
@@ -1191,6 +1193,7 @@ static const struct component_ops gsc_component_ops = {
 };
 
 static const unsigned int gsc_formats[] = {
+       DRM_FORMAT_ARGB8888,
        DRM_FORMAT_XRGB8888, DRM_FORMAT_RGB565, DRM_FORMAT_BGRX8888,
        DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV21, DRM_FORMAT_NV61,
        DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU,