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authorBenjamin Gaignard <benjamin.gaignard@linaro.org>2015-02-02 15:08:45 +0100
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>2015-02-04 17:58:11 +0100
commit4af6b12ad57aae1e9798df499e81e309c7f0bc26 (patch)
tree58f1ad86d1aa46fbe13d6d5d7a66e7c4e06433c9 /drivers/gpu/drm/sti/sti_gdp.c
parentdrm: sti: fix static checker warning in sti_awg_utils (diff)
downloadlinux-dev-4af6b12ad57aae1e9798df499e81e309c7f0bc26.tar.xz
linux-dev-4af6b12ad57aae1e9798df499e81e309c7f0bc26.zip
drm: sti: add support of ABGR8888 for gdp plane
Use GDP capabilities to support DRM_FORMAT_ABGR8888 (AB24) Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/sti/sti_gdp.c')
-rw-r--r--drivers/gpu/drm/sti/sti_gdp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index 32448d1d1e8f..f018bb1bb2b7 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -14,7 +14,9 @@
#include "sti_layer.h"
#include "sti_vtg.h"
+#define ALPHASWITCH BIT(6)
#define ENA_COLOR_FILL BIT(8)
+#define BIGNOTLITTLE BIT(23)
#define WAIT_NEXT_VSYNC BIT(31)
/* GDP color formats */
@@ -23,6 +25,7 @@
#define GDP_RGB888_32 0x02
#define GDP_ARGB8565 0x04
#define GDP_ARGB8888 0x05
+#define GDP_ABGR8888 (GDP_ARGB8888 | BIGNOTLITTLE | ALPHASWITCH)
#define GDP_ARGB1555 0x06
#define GDP_ARGB4444 0x07
#define GDP_CLUT8 0x0B
@@ -104,6 +107,7 @@ struct sti_gdp {
static const uint32_t gdp_supported_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_ABGR8888,
DRM_FORMAT_ARGB4444,
DRM_FORMAT_ARGB1555,
DRM_FORMAT_RGB565,
@@ -131,6 +135,8 @@ static int sti_gdp_fourcc2format(int fourcc)
return GDP_RGB888_32;
case DRM_FORMAT_ARGB8888:
return GDP_ARGB8888;
+ case DRM_FORMAT_ABGR8888:
+ return GDP_ABGR8888;
case DRM_FORMAT_ARGB4444:
return GDP_ARGB4444;
case DRM_FORMAT_ARGB1555:
@@ -157,6 +163,7 @@ static int sti_gdp_get_alpharange(int format)
case GDP_ARGB8565:
case GDP_ARGB8888:
case GDP_AYCBR8888:
+ case GDP_ABGR8888:
return GAM_GDP_ALPHARANGE_255;
}
return 0;