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path: root/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
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authorKenneth Feng <kenneth.feng@amd.com>2018-04-20 13:55:39 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-05-15 13:43:35 -0500
commite0e93d03efa1c53012cc609fd48112df3e06da69 (patch)
tree37fca8101a3ccc1cbddd9172d268be4893165742 /drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
parentb1f223c02a3a2b41847f48f75797eba5979ea25d (diff)
downloadblackbird-obmc-linux-e0e93d03efa1c53012cc609fd48112df3e06da69.tar.gz
blackbird-obmc-linux-e0e93d03efa1c53012cc609fd48112df3e06da69.zip
drm/amd/powerplay: add registry key to disable ACG
For the dummy ACG fuses,need to disable ACG, otherwise corruption will be caused. Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
index 7fa1ba89ac54..888ddca902d8 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
@@ -224,6 +224,11 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable
ppsmc_pptable->AcgGfxclkSpreadPercent = smc_dpm_table.acggfxclkspreadpercent;
ppsmc_pptable->AcgGfxclkSpreadFreq = smc_dpm_table.acggfxclkspreadfreq;
+ /* 0xFFFF will disable the ACG feature */
+ if (!(hwmgr->feature_mask & PP_ACG_MASK)) {
+ ppsmc_pptable->AcgThresholdFreqHigh = 0xFFFF;
+ ppsmc_pptable->AcgThresholdFreqLow = 0xFFFF;
+ }
return 0;
}
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