diff options
| author | Kenneth Feng <kenneth.feng@amd.com> | 2018-12-06 04:56:14 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-12-10 21:28:40 +0100 |
| commit | cf4197ed5796234a53beb71228198c7d1e678947 (patch) | |
| tree | f844b92f49122a276b94d38b6dbab0bac7b08f33 /drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | |
| parent | drm/amdgpu: update SMC firmware image for polaris10 variants (diff) | |
| download | linux-cf4197ed5796234a53beb71228198c7d1e678947.tar.xz linux-cf4197ed5796234a53beb71228198c7d1e678947.zip | |
drm/amdgpu/powerplay: Apply avfs cks-off voltages on VI
Instead of EVV cks-off voltages, avfs cks-off voltages can avoid
the overshoot voltages when switching sclk.
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c index 872d3824337b..a1e0ac9ae248 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c @@ -1985,6 +1985,12 @@ int polaris10_thermal_avfs_enable(struct pp_hwmgr *hwmgr) smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs); + /* Apply avfs cks-off voltages to avoid the overshoot + * when switching to the highest sclk frequency + */ + if (data->apply_avfs_cks_off_voltage) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ApplyAvfsCksOffVoltage); + return 0; } |