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| author | Alex Deucher <alexander.deucher@amd.com> | 2021-10-25 15:02:33 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-10-28 14:26:13 -0400 |
| commit | 9fac5799c8985aa0263dbed7f16f99f85c4d6cd7 (patch) | |
| tree | 67e51a99a84243db0a0dc3b90df818ddd6dc346b /drivers/gpu/drm/amd | |
| parent | 3ce51649cdf23ab463494df2bd6d1e9529ebdc6a (diff) | |
| download | linux-9fac5799c8985aa0263dbed7f16f99f85c4d6cd7.tar.bz2 | |
drm/amdgpu/pm: look up current_level for asics without pm callback
For asics without a callback, use the current level rather than 0xff.
This can avoid an unnecesary forced level set on older asics when
set by the user.
Reviewed-by: Kevin Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 01cca08a774f..49fe4155c374 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -310,7 +310,7 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, struct amdgpu_device *adev = drm_to_adev(ddev); const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; enum amd_dpm_forced_level level; - enum amd_dpm_forced_level current_level = 0xff; + enum amd_dpm_forced_level current_level; int ret = 0; if (amdgpu_in_reset(adev)) @@ -350,6 +350,8 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, if (pp_funcs->get_performance_level) current_level = amdgpu_dpm_get_performance_level(adev); + else + current_level = adev->pm.dpm.forced_level; if (current_level == level) { pm_runtime_mark_last_busy(ddev->dev); |