4.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Karol Herbst <[email protected]> [ Upstream commit eaeb9010bb4bcdc20e58254fa42f3fe730a7f908 ] Fixes various reclocking related issues on prime systems. Signed-off-by: Karol Herbst <[email protected]> Signed-off-by: Martin Peres <[email protected]> Signed-off-by: Ben Skeggs <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpu/drm/nouveau/nouveau_debugfs.c | 4 ++++ 1 file changed, 4 insertions(+) --- 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 * 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;
