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| author | Yang Wang <kevinyang.wang@amd.com> | 2026-04-16 18:17:30 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-04-17 14:51:15 -0400 |
| commit | 25fd8095a868cfbeb9ef3118131d2ba1f7057846 (patch) | |
| tree | ba9ed926e22668ac2a33d90ca8433bfc9ec2c6a5 /drivers | |
| parent | 80d4d3a45b86816e9a99de4e3d6640ff82707dac (diff) | |
| download | linux-next-25fd8095a868cfbeb9ef3118131d2ba1f7057846.tar.gz linux-next-25fd8095a868cfbeb9ef3118131d2ba1f7057846.zip | |
drm/amd/pm: fix runtime PM imbalance issue in amdgpu_pm.c
Fix runtime PM counter imbalance to prevent device from failing to enter low power state
Fixes: a50d32c41fb2 ("drm/amd/pm: Deprecate print_clock_levels interface")
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 62b0b1ef0d10..736304e73ca4 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -995,12 +995,15 @@ static ssize_t amdgpu_get_pp_dpm_clock(struct device *dev, return ret; ret = amdgpu_dpm_emit_clock_levels(adev, type, buf, &size); - if (ret) - return ret; + if (ret) { + size = ret; + goto out_pm_put; + } if (size == 0) size = sysfs_emit(buf, "\n"); +out_pm_put: amdgpu_pm_put_access(adev); return size; @@ -3902,11 +3905,14 @@ static int amdgpu_retrieve_od_settings(struct amdgpu_device *adev, return ret; ret = amdgpu_dpm_emit_clock_levels(adev, od_type, buf, &size); - if (ret) - return ret; + if (ret) { + size = ret; + goto out_pm_put; + } if (size == 0) size = sysfs_emit(buf, "\n"); +out_pm_put: amdgpu_pm_put_access(adev); return size; |