drm/amd/powerplay: disable raven2 force dpm level support (v2)

It's not supported yet.

v2: rebase (Alex)
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c

@@ -551,12 +551,18 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 				enum amd_dpm_forced_level level)
 {
 	struct smu10_hwmgr *data = hwmgr->backend;
+	struct amdgpu_device *adev = hwmgr->adev;
 
 	if (hwmgr->smu_version < 0x1E3700) {
 		pr_info("smu firmware version too old, can not set dpm level\n");
 		return 0;
 	}
 
+	/* Disable UMDPSTATE support on rv2 temporarily */
+	if ((adev->asic_type == CHIP_RAVEN) &&
+	    (adev->rev_id >= 8))
+		return 0;
+
 	switch (level) {
 	case AMD_DPM_FORCED_LEVEL_HIGH:
 	case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK: