Revert "AMDGPU: Fix bug where DPM is not enabled after hibernate and …

…resume"

This reverts commit 19940a2.
The original commit will cause s3 test failed on hawaii.

Signed-off-by: Rui Teng <rui.teng@amd.com>

drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c

@@ -2725,10 +2725,7 @@ static int ci_initialize_mc_reg_table(struct pp_hwmgr *hwmgr)
 
 static bool ci_is_dpm_running(struct pp_hwmgr *hwmgr)
 {
-	return (1 == PHM_READ_INDIRECT_FIELD(hwmgr->device,
-					     CGS_IND_REG__SMC, FEATURE_STATUS,
-					     VOLTAGE_CONTROLLER_ON))
-		? true : false;
+	return ci_is_smc_ram_running(hwmgr);
 }
 
 static int ci_smu_init(struct pp_hwmgr *hwmgr)