diff options
| author | Evan Quan <evan.quan@amd.com> | 2019-10-10 11:34:51 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-15 15:48:09 -0400 |
| commit | 06615f9a0c0d68566fc069729aade64a7dbadd58 (patch) | |
| tree | 97128c45152602d01ea0c982e802b34346a4da08 /drivers/gpu/drm/amd/powerplay/amd_powerplay.c | |
| parent | bc7ef86566bb233ff190dd7f4972b537d11558e4 (diff) | |
drm/amd/powerplay: enable df cstate control on powerplay routine
Currently this is only supported on Vega20 with 40.50 and later
SMC firmware.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amd_powerplay.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index fa8ad7db2b3a..83196b79edd5 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1548,6 +1548,23 @@ static int pp_smu_i2c_bus_access(void *handle, bool acquire) return ret; } +static int pp_set_df_cstate(void *handle, enum pp_df_cstate state) +{ + struct pp_hwmgr *hwmgr = handle; + + if (!hwmgr) + return -EINVAL; + + if (!hwmgr->pm_en || !hwmgr->hwmgr_func->set_df_cstate) + return 0; + + mutex_lock(&hwmgr->smu_lock); + hwmgr->hwmgr_func->set_df_cstate(hwmgr, state); + mutex_unlock(&hwmgr->smu_lock); + + return 0; +} + static const struct amd_pm_funcs pp_dpm_funcs = { .load_firmware = pp_dpm_load_fw, .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, @@ -1606,4 +1623,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = { .set_ppfeature_status = pp_set_ppfeature_status, .asic_reset_mode_2 = pp_asic_reset_mode_2, .smu_i2c_bus_access = pp_smu_i2c_bus_access, + .set_df_cstate = pp_set_df_cstate, }; |