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authorAlex Deucher <alexander.deucher@amd.com>2021-10-25 15:02:33 -0400
committerAlex Deucher <alexander.deucher@amd.com>2021-10-28 14:26:13 -0400
commit9fac5799c8985aa0263dbed7f16f99f85c4d6cd7 (patch)
tree67e51a99a84243db0a0dc3b90df818ddd6dc346b /drivers/gpu/drm/amd/pm/amdgpu_pm.c
parent3ce51649cdf23ab463494df2bd6d1e9529ebdc6a (diff)
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/pm/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c4
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);