drm/amd/pp: Disable OD feature if VBIOS limits

Check vbios to determine whether we can enable OD

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c

@@ -836,10 +836,10 @@ static int init_over_drive_limits(
 	hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
 	hwmgr->platform_descriptor.overdriveVDDCStep = 0;
 
-	if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 \
-		&& hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) {
-		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			PHM_PlatformCaps_ACOverdriveSupport);
+	if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 \
+		|| hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) {
+		hwmgr->od_enabled = false;
+		pr_debug("OverDrive feature not support by VBIOS\n");
 	}
 
 	return 0;

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

@@ -1074,12 +1074,11 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr,
 				powerplay_table,
 				(const ATOM_FIRMWARE_INFO_V2_1 *)fw_info);
 
-	if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0
-		&& hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0
-		&& !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
-			PHM_PlatformCaps_OverdriveDisabledByPowerBudget))
-		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-				PHM_PlatformCaps_ACOverdriveSupport);
+	if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0
+		&& hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) {
+		hwmgr->od_enabled = false;
+		pr_debug("OverDrive feature not support by VBIOS\n");
+	}
 
 	return result;
 }

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c

@@ -267,10 +267,10 @@ static int init_over_drive_limits(
 	hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
 	hwmgr->platform_descriptor.overdriveVDDCStep = 0;
 
-	if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 &&
-		hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) {
-		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
-			PHM_PlatformCaps_ACOverdriveSupport);
+	if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 ||
+		hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) {
+		hwmgr->od_enabled = false;
+		pr_debug("OverDrive feature not support by VBIOS\n");
 	}
 
 	return 0;