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drm/nouveau/debugfs: Fix check of pm_runtime_get_sync failure 

pm_runtime_get_sync returns negative on failure.

Fixes: eaeb9010bb ("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>
hifive-unleashed-5.1
YueHaibing 2019-02-28 20:24:59 +08:00 committed by Ben Skeggs
parent 18ec3c129b
commit 909e9c9c42
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/nouveau/nouveau_debugfs.c
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@ -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);