Hi Dmitry, Thank you for the patch. On Sat, Jul 29, 2023 at 03:49:10AM +0300, Dmitry Baryshkov wrote: > In the embedded usecases the default subtype depends on the bridge > chain, so it is easier to specify the subtype at the proprety attachment s/proprety/property/ > type rather than specifying it later. Did you mean s/type/time/ ? I think I understand why you need this, looking at patch 2/4, but the commit message isn't very clear. It would benefit from being reworded. > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 3 ++- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 3 ++- > drivers/gpu/drm/drm_connector.c | 6 ++++-- > drivers/gpu/drm/i915/display/intel_dp.c | 3 ++- > include/drm/drm_connector.h | 3 ++- > 5 files changed, 12 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > index d34037b85cf8..c18459ecd4be 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > @@ -2022,7 +2022,8 @@ amdgpu_connector_add(struct amdgpu_device *adev, > > if (connector_type == DRM_MODE_CONNECTOR_DisplayPort || > connector_type == DRM_MODE_CONNECTOR_eDP) { > - drm_connector_attach_dp_subconnector_property(&amdgpu_connector->base); > + drm_connector_attach_dp_subconnector_property(&amdgpu_connector->base, > + DRM_MODE_SUBCONNECTOR_Unknown); > } > > return; > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c > index 943959012d04..297321f0199e 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c > @@ -759,7 +759,8 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, > drm_dp_mst_topology_mgr_init(&aconnector->mst_mgr, adev_to_drm(dm->adev), > &aconnector->dm_dp_aux.aux, 16, 4, aconnector->connector_id); > > - drm_connector_attach_dp_subconnector_property(&aconnector->base); > + drm_connector_attach_dp_subconnector_property(&aconnector->base, > + DRM_MODE_SUBCONNECTOR_Unknown); > } > > int dm_mst_get_pbn_divider(struct dc_link *link) > diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c > index a3d3e7dc08b2..a6066e4a5e9a 100644 > --- a/drivers/gpu/drm/drm_connector.c > +++ b/drivers/gpu/drm/drm_connector.c > @@ -1577,10 +1577,12 @@ EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); > /** > * drm_connector_attach_dp_subconnector_property - create subconnector property for DP > * @connector: drm_connector to attach property > + * @subtype: initial value for the subconnector type > * > * Called by a driver when DP connector is created. > */ > -void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector) > +void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector, > + enum drm_mode_subconnector subtype) > { > struct drm_mode_config *mode_config = &connector->dev->mode_config; > > @@ -1594,7 +1596,7 @@ void drm_connector_attach_dp_subconnector_property(struct drm_connector *connect > > drm_object_attach_property(&connector->base, > mode_config->dp_subconnector_property, > - DRM_MODE_SUBCONNECTOR_Unknown); > + subtype); > } > EXPORT_SYMBOL(drm_connector_attach_dp_subconnector_property); > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index 474785110662..5819105187f6 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -5391,7 +5391,8 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect > enum port port = dp_to_dig_port(intel_dp)->base.port; > > if (!intel_dp_is_edp(intel_dp)) > - drm_connector_attach_dp_subconnector_property(connector); > + drm_connector_attach_dp_subconnector_property(connector, > + DRM_MODE_SUBCONNECTOR_Unknown); > > if (!IS_G4X(dev_priv) && port != PORT_A) > intel_attach_force_audio_property(connector); > diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h > index 5a8115dca359..a130a78f6e0f 100644 > --- a/include/drm/drm_connector.h > +++ b/include/drm/drm_connector.h > @@ -1990,7 +1990,8 @@ const char *drm_get_hdcp_content_type_name(int val); > int drm_get_tv_mode_from_name(const char *name, size_t len); > > int drm_mode_create_dvi_i_properties(struct drm_device *dev); > -void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector); > +void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector, > + enum drm_mode_subconnector subtype); > > int drm_mode_create_tv_margin_properties(struct drm_device *dev); > int drm_mode_create_tv_properties_legacy(struct drm_device *dev, -- Regards, Laurent Pinchart