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drm/nouveau/debugfs: Wake up GPU before doing any reclocking
author
Karol Herbst
<karolherbst@gmail.com>
Sat, 14 Jul 2018 10:52:09 +0000
(12:52 +0200)
committer
Ben Skeggs
<bskeggs@redhat.com>
Mon, 16 Jul 2018 08:06:29 +0000
(18:06 +1000)
Fixes various reclocking related issues on prime systems.
Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nouveau_debugfs.c
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diff --git
a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index
963a4db
..
9109b69
100644
(file)
--- 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;