drm/switcheroo: track state of switch in drivers.

We need to track the state of the switch in drivers, so that after s/r
we don't resume the card we've explicitly switched off before. Also
don't allow a userspace open to occur if we've switched the gpu off.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index e81575687354..e59f5bcab1ad 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -753,6 +753,8 @@ struct drm_nouveau_private {
 
         struct nouveau_fbdev *nfbdev;
         struct apertures_struct *apertures;
+
+        bool powered_down;
 };
 
 static inline struct drm_nouveau_private *