diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index b14b004577e5..d3eab245e0fe 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -300,6 +300,10 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, struct amdgpu_device *adev = drm_to_adev(ddev); enum amd_dpm_forced_level level; enum amd_dpm_forced_level current_level; + uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; int ret = 0; if (amdgpu_in_reset(adev)) @@ -354,10 +358,7 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, } /* profile_exit setting is valid only when current mode is in profile mode */ - if (!(current_level & (AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | - AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | - AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | - AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) && + if (!(current_level & profile_mode_mask) && (level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) { pr_err("Currently not in any profile mode!\n"); pm_runtime_mark_last_busy(ddev->dev); @@ -365,6 +366,26 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, return -EINVAL; } + if (!(current_level & profile_mode_mask) && + (level & profile_mode_mask)) { + /* enter UMD Pstate */ + amdgpu_device_ip_set_powergating_state(adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_PG_STATE_UNGATE); + amdgpu_device_ip_set_clockgating_state(adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_CG_STATE_UNGATE); + } else if ((current_level & profile_mode_mask) && + !(level & profile_mode_mask)) { + /* exit UMD Pstate */ + amdgpu_device_ip_set_clockgating_state(adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_CG_STATE_GATE); + amdgpu_device_ip_set_powergating_state(adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_PG_STATE_GATE); + } + if (amdgpu_dpm_force_performance_level(adev, level)) { pm_runtime_mark_last_busy(ddev->dev); pm_runtime_put_autosuspend(ddev->dev); |