drm/radeon: add a connector property for dither

[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / radeon / radeon_display.c

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 0d1aa050d41de7b02a1fd12065246c4239d817be..7adbb7417dd5630f4c80b8158bae3eea53e85b98 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1178,6 +1178,12 @@ static struct drm_prop_enum_list radeon_audio_enum_list[] =
        { RADEON_AUDIO_AUTO, "auto" },
 };
 
+/* XXX support different dither options? spatial, temporal, both, etc. */
+static struct drm_prop_enum_list radeon_dither_enum_list[] =
+{      { RADEON_FMT_DITHER_DISABLE, "off" },
+       { RADEON_FMT_DITHER_ENABLE, "on" },
+};
+
 static int radeon_modeset_create_props(struct radeon_device *rdev)
 {
        int sz;
@@ -1234,6 +1240,12 @@ static int radeon_modeset_create_props(struct radeon_device *rdev)
                                         "audio",
                                         radeon_audio_enum_list, sz);
 
+       sz = ARRAY_SIZE(radeon_dither_enum_list);
+       rdev->mode_info.dither_property =
+               drm_property_create_enum(rdev->ddev, 0,
+                                        "dither",
+                                        radeon_dither_enum_list, sz);
+
        return 0;
 }