drm/amdgpu: Enable DC on Renoir

Enable DC support for renoir.
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -2518,6 +2518,9 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
 	case CHIP_NAVI10:
 	case CHIP_NAVI14:
 	case CHIP_NAVI12:
+#endif
+#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+	case CHIP_RENOIR:
 #endif
 		return amdgpu_dc != 0;
 #endif

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -768,6 +768,12 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
+#if defined(CONFIG_DRM_AMD_DC)
+                else if (amdgpu_device_has_dc_support(adev))
+                        amdgpu_device_ip_block_add(adev, &dm_ip_block);
+#else
+#       warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15."
+#endif
 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 		break;
 	default: