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drm/radeon: add a connector property for dither

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Allows you to enable dither in the display hardware
when the monitor supports lower a lower bpc than the
current framebuffer format.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2013-09-24 17:26:26 -04:00
parent 134b480f4b
commit 6214bb7487
7 changed files with 82 additions and 17 deletions
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8
drivers/gpu/drm/radeon/radeon_mode.h
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@@ -249,6 +249,8 @@ struct radeon_mode_info {
struct drm_property *underscan_vborder_property;
/* audio */
struct drm_property *audio_property;
/* FMT dithering */
struct drm_property *dither_property;
/* hardcoded DFP edid from BIOS */
struct edid *bios_hardcoded_edid;
int bios_hardcoded_edid_size;
@@ -479,6 +481,11 @@ enum radeon_connector_audio {
RADEON_AUDIO_AUTO = 2
};
enum radeon_connector_dither {
RADEON_FMT_DITHER_DISABLE = 0,
RADEON_FMT_DITHER_ENABLE = 1,
};
struct radeon_connector {
struct drm_connector base;
uint32_t connector_id;
@@ -498,6 +505,7 @@ struct radeon_connector {
struct radeon_router router;
struct radeon_i2c_chan *router_bus;
enum radeon_connector_audio audio;
enum radeon_connector_dither dither;
};
struct radeon_framebuffer {