drm/amd/display: Add DCN314 display SG Support

Add display SG support for DCN 3.1.4.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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

@@ -1503,6 +1503,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		case IP_VERSION(3, 0, 1):
 		case IP_VERSION(3, 1, 2):
 		case IP_VERSION(3, 1, 3):
+		case IP_VERSION(3, 1, 4):
 		case IP_VERSION(3, 1, 5):
 		case IP_VERSION(3, 1, 6):
 			init_data.flags.gpu_vm_support = true;