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drm/amdgpu: Add missing pm_runtime_put_autosuspend

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pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code, thus a matching decrement is needed
on the error handling path to keep the counter balanced.

Signed-off-by: Yongzhi Liu <lyz_cs@pku.edu.cn>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongzhi Liu 2022-01-18 15:11:51 -05:00 • committed by Alex Deucher
parent 552b7cb0ee
commit 4bd8dd0d61
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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@ -1120,8 +1120,10 @@ static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf,
return -EINVAL;
r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
if (r < 0)
if (r < 0) {
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
return r;
}
while (size) {
uint32_t value;