drm/amd/display: Default max bpc to 16 for eDP (4a8ca46b) · Commits · 戴 / test

[Why] Some 10bit eDP panels don't lightup after we cap bpc to 8. [How] Set default max_bpc to 16 for edp connector type. Signed-off-by:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -5561,9 +5561,9 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,

		drm_connector_attach_max_bpc_property(&aconnector->base, 8, 16);

		/* This defaults to the max in the range, but we want 8bpc. */
		aconnector->base.state->max_bpc = 8;
		aconnector->base.state->max_requested_bpc = 8;
		/* This defaults to the max in the range, but we want 8bpc for non-edp. */
		aconnector->base.state->max_bpc = (connector_type == DRM_MODE_CONNECTOR_eDP) ? 16 : 8;
		aconnector->base.state->max_requested_bpc = aconnector->base.state->max_bpc;

		if (connector_type == DRM_MODE_CONNECTOR_eDP &&
		dc_is_dmcu_initialized(adev->dm.dc)) {