[PATCH v5 11/17] drm/i915/display: Add handling for new "active color range" property

[Werner Sembach <wse@tuxedocomputers.com>]

This commit implements the "active color range" drm property for the Intel
GPU driver.

Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 7 +++++++
 drivers/gpu/drm/i915/display/intel_dp.c      | 1 +
 drivers/gpu/drm/i915/display/intel_dp_mst.c  | 5 +++++
 drivers/gpu/drm/i915/display/intel_hdmi.c    | 1 +
 4 files changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index be38f7148285..b0bcb42a97fc 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -10940,9 +10940,16 @@ static int intel_atomic_commit(struct drm_device *dev,
 			drm_connector_set_active_color_format_property(connector,
 				convert_intel_output_format_into_drm_color_format(
 					new_crtc_state->output_format));
+			drm_connector_set_active_color_range_property(connector,
+				new_crtc_state->limited_color_range ||
+				new_crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB ?
+					DRM_MODE_COLOR_RANGE_LIMITED_16_235 :
+					DRM_MODE_COLOR_RANGE_FULL);
 		} else {
 			drm_connector_set_active_bpc_property(connector, 0);
 			drm_connector_set_active_color_format_property(connector, 0);
+			drm_connector_set_active_color_range_property(connector,
+								      DRM_MODE_COLOR_RANGE_UNSET);
 		}
 	}
 
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 6b85bcdeb238..fd33f753244d 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4688,6 +4688,7 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 		intel_attach_force_audio_property(connector);
 
 	intel_attach_broadcast_rgb_property(connector);
+	drm_connector_attach_active_color_range_property(connector);
 	if (HAS_GMCH(dev_priv)) {
 		drm_connector_attach_max_bpc_property(connector, 6, 10);
 		drm_connector_attach_active_bpc_property(connector, 6, 10);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 3e4237df3360..cb876175258f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -861,6 +861,11 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
 	if (connector->active_color_format_property)
 		drm_connector_attach_active_color_format_property(connector);
 
+	connector->active_color_range_property =
+		intel_dp->attached_connector->base.active_color_range_property;
+	if (connector->active_color_range_property)
+		drm_connector_attach_active_color_range_property(connector);
+
 	return connector;
 
 err:
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 367aba57b55f..3ee25e0cc3b9 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2505,6 +2505,7 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c
 
 	intel_attach_force_audio_property(connector);
 	intel_attach_broadcast_rgb_property(connector);
+	drm_connector_attach_active_color_range_property(connector);
 	intel_attach_aspect_ratio_property(connector);
 
 	intel_attach_hdmi_colorspace_property(connector);
-- 
2.25.1