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drm: sti: add support of ABGR8888 for gdp plane

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Use GDP capabilities to support DRM_FORMAT_ABGR8888 (AB24)

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
This commit is contained in:
Benjamin Gaignard 2015-02-02 15:08:45 +01:00
parent 17ba9810ec
commit 4af6b12ad5
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/sti/sti_gdp.c
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@ -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;