drm/nouveau/debugfs: Fix check of pm_runtime_get_sync failure

pm_runtime_get_sync returns negative on failure.

Fixes: eaeb9010bb4b ("drm/nouveau/debugfs: Wake up GPU before doing any reclocking")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 88a52f6..7dfbbbc 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -181,7 +181,7 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
        }
 
        ret = pm_runtime_get_sync(drm->dev);
-       if (IS_ERR_VALUE(ret) && ret != -EACCES)
+       if (ret < 0 && ret != -EACCES)
                return ret;
        ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
        pm_runtime_put_autosuspend(drm->dev);