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>

3 files changed, 13 insertions, 14 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
index b49d65c3e984..c9eecce5683f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
+++ b/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;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
index c3e7e34535e8..815c9bcc63fd 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
+++ b/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;
 }
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
index f14c7611fad3..6d44cf043618 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
+++ b/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;