[PATCH v6 08/13] drm/amd/display: Register Colorspace property for DP and HDMI

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We want compositors to be able to set the output
colorspace on DP and HDMI outputs, based on the
caps reported from the receiver via EDID.

Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Reviewed-by: Joshua Ashton <joshua@xxxxxxxxx>

Cc: Pekka Paalanen <ppaalanen@xxxxxxxxx>
Cc: Sebastian Wick <sebastian.wick@xxxxxxxxxx>
Cc: Vitaly.Prosyak@xxxxxxx
Cc: Joshua Ashton <joshua@xxxxxxxxx>
Cc: Simon Ser <contact@xxxxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Melissa Wen <mwen@xxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 27868dbb09f6..bdda136235af 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7246,6 +7246,12 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
 	return amdgpu_dm_connector->num_modes;
 }
 
+static const u32 supported_colorspaces =
+	BIT(DRM_MODE_COLORIMETRY_BT709_YCC) |
+	BIT(DRM_MODE_COLORIMETRY_OPRGB) |
+	BIT(DRM_MODE_COLORIMETRY_BT2020_RGB) |
+	BIT(DRM_MODE_COLORIMETRY_BT2020_YCC);
+
 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
 				     struct amdgpu_dm_connector *aconnector,
 				     int connector_type,
@@ -7326,6 +7332,15 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
 				adev->mode_info.abm_level_property, 0);
 	}
 
+	if (connector_type == DRM_MODE_CONNECTOR_HDMIA) {
+		if (!drm_mode_create_hdmi_colorspace_property(&aconnector->base, supported_colorspaces))
+			drm_connector_attach_colorspace_property(&aconnector->base);
+	} else if (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+		   connector_type == DRM_MODE_CONNECTOR_eDP) {
+		if (!drm_mode_create_dp_colorspace_property(&aconnector->base, supported_colorspaces))
+			drm_connector_attach_colorspace_property(&aconnector->base);
+	}
+
 	if (connector_type == DRM_MODE_CONNECTOR_HDMIA ||
 	    connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
 	    connector_type == DRM_MODE_CONNECTOR_eDP) {
-- 
2.41.0




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