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drm/nouveau/debugfs: Wake up GPU before doing any reclocking

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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>
This commit is contained in:
Karol Herbst 2018-07-14 12:52:09 +02:00 committed by Ben Skeggs
parent f706037c4e
commit eaeb9010bb
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/nouveau/nouveau_debugfs.c
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@ -160,7 +160,11 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
args.ustate = value; 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)); ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
pm_runtime_put_autosuspend(drm->dev);
if (ret < 0) if (ret < 0)
return ret; return ret;