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-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 13d5afbc0dfd..f8889d28382d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -66,11 +66,13 @@ struct fimd_driver_data {
unsigned int has_shadowcon:1;
unsigned int has_clksel:1;
+ unsigned int has_limited_fmt:1;
};
static struct fimd_driver_data s3c64xx_fimd_driver_data = {
.timing_base = 0x0,
.has_clksel = 1,
+ .has_limited_fmt = 1,
};
static struct fimd_driver_data exynos4_fimd_driver_data = {
@@ -420,6 +422,15 @@ static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
val = WINCONx_ENWIN;
+ /*
+ * In case of s3c64xx, window 0 doesn't support alpha channel.
+ * So the request format is ARGB8888 then change it to XRGB8888.
+ */
+ if (ctx->driver_data->has_limited_fmt && !win) {
+ if (win_data->pixel_format == DRM_FORMAT_ARGB8888)
+ win_data->pixel_format = DRM_FORMAT_XRGB8888;
+ }
+
switch (win_data->pixel_format) {
case DRM_FORMAT_C8:
val |= WINCON0_BPPMODE_8BPP_PALETTE;