All the drivers that implement HDR output call pretty much the same
function to initialise the hdr_output_metadata property, and while the
creation of that property is in a helper, every driver uses the same
code to attach it.
Provide a helper for it as well
Signed-off-by: Maxime Ripard <max...@cerno.tech>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 +---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 +--
drivers/gpu/drm/drm_connector.c | 21 +++++++++++++++++++
drivers/gpu/drm/i915/display/intel_hdmi.c | 3 +--
include/drm/drm_connector.h | 1 +
5 files changed, 25 insertions(+), 7 deletions(-)
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 22124f76d0b5..06908a3cee0f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7017,9 +7017,7 @@ void amdgpu_dm_connector_init_helper(struct
amdgpu_display_manager *dm,
if (connector_type == DRM_MODE_CONNECTOR_HDMIA ||
connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
connector_type == DRM_MODE_CONNECTOR_eDP) {
- drm_object_attach_property(
- &aconnector->base.base,
- dm->ddev->mode_config.hdr_output_metadata_property, 0);
+
drm_connector_attach_hdr_output_metadata_property(&aconnector->base);
if (!aconnector->mst_port)
drm_connector_attach_vrr_capable_property(&aconnector->base);
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index dda4fa9a1a08..f24bbb840dbf 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2492,8 +2492,7 @@ static int dw_hdmi_connector_create(struct dw_hdmi *hdmi)
drm_connector_attach_max_bpc_property(connector, 8, 16);
if (hdmi->version >= 0x200a && hdmi->plat_data->use_drm_infoframe)
- drm_object_attach_property(&connector->base,
-
connector->dev->mode_config.hdr_output_metadata_property, 0);
+ drm_connector_attach_hdr_output_metadata_property(connector);
drm_connector_attach_encoder(connector, hdmi->bridge.encoder);
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 98b6ec45ef96..e25248e23e18 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -2149,6 +2149,27 @@ int drm_connector_attach_max_bpc_property(struct
drm_connector *connector,
}
EXPORT_SYMBOL(drm_connector_attach_max_bpc_property);
+/**
+ * drm_connector_attach_hdr_output_metadata_property - attach
"HDR_OUTPUT_METADA" property
+ * @connector: connector to attach the property on.
+ *
+ * This is used to allow the userspace to send HDR Metadata to the
+ * driver.
+ *
+ * Returns:
+ * Zero on success, negative errno on failure.
+ */
+int drm_connector_attach_hdr_output_metadata_property(struct drm_connector
*connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_property *prop =
dev->mode_config.hdr_output_metadata_property;
+
+ drm_object_attach_property(&connector->base, prop, 0);
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_connector_attach_hdr_output_metadata_property);
+
/**
* drm_connector_set_vrr_capable_property - sets the variable refresh rate
* capable property for a connector
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c
b/drivers/gpu/drm/i915/display/intel_hdmi.c
index c5959590562b..52c051efb7b7 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2958,8 +2958,7 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi,
struct drm_connector *c
drm_connector_attach_content_type_property(connector);
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
- drm_object_attach_property(&connector->base,
-
connector->dev->mode_config.hdr_output_metadata_property, 0);
+ drm_connector_attach_hdr_output_metadata_property(connector);
if (!HAS_GMCH(dev_priv))
drm_connector_attach_max_bpc_property(connector, 8, 12);
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 1922b278ffad..32172dab8427 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1671,6 +1671,7 @@ int drm_connector_attach_scaling_mode_property(struct
drm_connector *connector,
u32 scaling_mode_mask);
int drm_connector_attach_vrr_capable_property(
struct drm_connector *connector);
+int drm_connector_attach_hdr_output_metadata_property(struct drm_connector
*connector);
int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
int drm_mode_create_hdmi_colorspace_property(struct drm_connector *connector);
int drm_mode_create_dp_colorspace_property(struct drm_connector *connector);
--
2.30.2
