Merge "drm: add support to sst-only sink branch device" (22bc4eef) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/gpu/drm/drm_dp_mst_topology.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1076,6 +1076,13 @@ static bool drm_dp_port_setup_pdt(struct drm_dp_mst_port *port)
		ret = drm_dp_mst_register_i2c_bus(&port->aux);
		break;
		case DP_PEER_DEVICE_MST_BRANCHING:
		/* SST-only branch should be treated as SST sink */
		if (!port->input && !port->mcs) {
		port->pdt = DP_PEER_DEVICE_SST_SINK;
		ret = drm_dp_mst_register_i2c_bus(&port->aux);
		break;
		}

		lct = drm_dp_calculate_rad(port, rad);

		port->mstb = drm_dp_add_mst_branch_device(lct, rad);