diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-24 17:26:26 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-11-01 12:43:13 -0400 |
| commit | 6214bb748783e65466d864c992770c07293ee820 (patch) | |
| tree | 2f63bfa38089f3cbcd366430003fe9c830e97ec9 /drivers/gpu/drm/radeon/radeon_connectors.c | |
| parent | 134b480f4b92654b9590fad6c9374c7dc6722375 (diff) | |
drm/radeon: add a connector property for dither
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 79159b5da05..43f7600803c 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -411,6 +411,21 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct } } + if (property == rdev->mode_info.dither_property) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + /* need to find digital encoder on connector */ + encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); + if (!encoder) + return 0; + + radeon_encoder = to_radeon_encoder(encoder); + + if (radeon_connector->dither != val) { + radeon_connector->dither = val; + radeon_property_change_mode(&radeon_encoder->base); + } + } + if (property == rdev->mode_info.underscan_property) { /* need to find digital encoder on connector */ encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); @@ -1661,6 +1676,9 @@ radeon_add_atom_connector(struct drm_device *dev, drm_object_attach_property(&radeon_connector->base.base, rdev->mode_info.audio_property, RADEON_AUDIO_DISABLE); + drm_object_attach_property(&radeon_connector->base.base, + rdev->mode_info.dither_property, + RADEON_FMT_DITHER_DISABLE); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = true; if (connector_type == DRM_MODE_CONNECTOR_HDMIB) @@ -1759,6 +1777,11 @@ radeon_add_atom_connector(struct drm_device *dev, rdev->mode_info.audio_property, RADEON_AUDIO_DISABLE); } + if (ASIC_IS_AVIVO(rdev)) { + drm_object_attach_property(&radeon_connector->base.base, + rdev->mode_info.dither_property, + RADEON_FMT_DITHER_DISABLE); + } if (connector_type == DRM_MODE_CONNECTOR_DVII) { radeon_connector->dac_load_detect = true; drm_object_attach_property(&radeon_connector->base.base, @@ -1804,6 +1827,11 @@ radeon_add_atom_connector(struct drm_device *dev, rdev->mode_info.audio_property, RADEON_AUDIO_DISABLE); } + if (ASIC_IS_AVIVO(rdev)) { + drm_object_attach_property(&radeon_connector->base.base, + rdev->mode_info.dither_property, + RADEON_FMT_DITHER_DISABLE); + } subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = true; if (connector_type == DRM_MODE_CONNECTOR_HDMIB) @@ -1848,6 +1876,11 @@ radeon_add_atom_connector(struct drm_device *dev, rdev->mode_info.audio_property, RADEON_AUDIO_DISABLE); } + if (ASIC_IS_AVIVO(rdev)) { + drm_object_attach_property(&radeon_connector->base.base, + rdev->mode_info.dither_property, + RADEON_FMT_DITHER_DISABLE); + } connector->interlace_allowed = true; /* in theory with a DP to VGA converter... */ connector->doublescan_allowed = false; |