[v8 03/13] drm/i915/display: Attach HDR property for capable Gen9 devices
Uma Shankar
uma.shankar at intel.com
Tue Oct 13 22:53:02 UTC 2020
Attach HDR property for Gen9 devices with MCA LSPCON
chips.
v2: Cleaned HDR property attachment logic based on capability
as per Jani Nikula's suggestion.
v3: Fixed the HDR property attachment logic as per the new changes
by Kai-Feng to align with lspcon detection failure on some devices.
v4: Add HDR proprty in late_register to handle lspcon detection,
as suggested by Ville.
Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 4f8266c3ed43..5fe83640fcd3 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6675,6 +6675,8 @@ intel_dp_connector_register(struct drm_connector *connector)
{
struct drm_i915_private *i915 = to_i915(connector->dev);
struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
+ struct intel_lspcon *lspcon = &dig_port->lspcon;
int ret;
ret = intel_connector_register(connector);
@@ -6688,6 +6690,13 @@ intel_dp_connector_register(struct drm_connector *connector)
ret = drm_dp_aux_register(&intel_dp->aux);
if (!ret)
drm_dp_cec_register_connector(&intel_dp->aux, connector);
+
+ lspcon_detect_hdr_capability(lspcon);
+ if (lspcon->hdr_supported)
+ drm_object_attach_property(&connector->base,
+ connector->dev->mode_config.hdr_output_metadata_property,
+ 0);
+
return ret;
}
--
2.26.2
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