diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c index 078aaaa53162..9a157fe4cbc7 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c @@ -365,6 +365,49 @@ int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en) return ret; } +int amdgpu_dpm_get_xgmi_plpd_mode(struct amdgpu_device *adev, char **mode_desc) +{ + struct smu_context *smu = adev->powerplay.pp_handle; + int mode = XGMI_PLPD_NONE; + + if (is_support_sw_smu(adev)) { + mode = smu->plpd_mode; + if (mode_desc == NULL) + return mode; + switch (smu->plpd_mode) { + case XGMI_PLPD_DISALLOW: + *mode_desc = "disallow"; + break; + case XGMI_PLPD_DEFAULT: + *mode_desc = "default"; + break; + case XGMI_PLPD_OPTIMIZED: + *mode_desc = "optimized"; + break; + case XGMI_PLPD_NONE: + default: + *mode_desc = "none"; + break; + } + } + + return mode; +} + +int amdgpu_dpm_set_xgmi_plpd_mode(struct amdgpu_device *adev, int mode) +{ + struct smu_context *smu = adev->powerplay.pp_handle; + int ret = -EOPNOTSUPP; + + if (is_support_sw_smu(adev)) { + mutex_lock(&adev->pm.mutex); + ret = smu_set_xgmi_plpd_mode(smu, mode); + mutex_unlock(&adev->pm.mutex); + } + + return ret; +} + int amdgpu_dpm_enable_mgpu_fan_boost(struct amdgpu_device *adev) { void *pp_handle = adev->powerplay.pp_handle; |