4.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Karol Herbst <karolherbst@xxxxxxxxx> [ Upstream commit eaeb9010bb4bcdc20e58254fa42f3fe730a7f908 ] Fixes various reclocking related issues on prime systems. Signed-off-by: Karol Herbst <karolherbst@xxxxxxxxx> Signed-off-by: Martin Peres <martin.peres@xxxxxxx> Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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;
