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path: root/drivers/gpu/drm/nouveau/nouveau_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_debugfs.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_debugfs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 963a4dba8213..9109b69cd052 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -160,7 +160,11 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
args.ustate = value;
}
+ ret = pm_runtime_get_sync(drm->dev);
+ if (IS_ERR_VALUE(ret) && ret != -EACCES)
+ return ret;
ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
+ pm_runtime_put_autosuspend(drm->dev);
if (ret < 0)
return ret;
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