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authorBen Skeggs <bskeggs@redhat.com>2013-11-04 11:15:38 +1000
committerBen Skeggs <bskeggs@redhat.com>2013-11-08 15:39:56 +1000
commit46ea16884c19cb63254cfc6150a76055afbe63e7 (patch)
tree3447e27454bfa73e07c131571484f1aa21e7e52d /drivers/gpu
parent6d8d163132d7df6ca701efcde7832046ecb2f040 (diff)
drm/nouveau/fbcon: bracket entrypoints with a per-device enabled check
We don't necessarily have fbcon on all devices these days. Fixes suspend on (at least) Quadro NVS 450. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fbcon.c43
1 files changed, 27 insertions, 16 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index c80b519b513a..7903e0ed3c75 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -503,34 +503,45 @@ nouveau_fbcon_fini(struct drm_device *dev)
drm->fbcon = NULL;
}
-void nouveau_fbcon_save_disable_accel(struct drm_device *dev)
+void
+nouveau_fbcon_save_disable_accel(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
-
- drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags;
- drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED;
+ if (drm->fbcon) {
+ drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags;
+ drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED;
+ }
}
-void nouveau_fbcon_restore_accel(struct drm_device *dev)
+void
+nouveau_fbcon_restore_accel(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
- drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags;
+ if (drm->fbcon) {
+ drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags;
+ }
}
-void nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
+void
+nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
{
struct nouveau_drm *drm = nouveau_drm(dev);
- console_lock();
- if (state == 0)
- nouveau_fbcon_save_disable_accel(dev);
- fb_set_suspend(drm->fbcon->helper.fbdev, state);
- if (state == 1)
- nouveau_fbcon_restore_accel(dev);
- console_unlock();
+ if (drm->fbcon) {
+ console_lock();
+ if (state == 0)
+ nouveau_fbcon_save_disable_accel(dev);
+ fb_set_suspend(drm->fbcon->helper.fbdev, state);
+ if (state == 1)
+ nouveau_fbcon_restore_accel(dev);
+ console_unlock();
+ }
}
-void nouveau_fbcon_zfill_all(struct drm_device *dev)
+void
+nouveau_fbcon_zfill_all(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
- nouveau_fbcon_zfill(dev, drm->fbcon);
+ if (drm->fbcon) {
+ nouveau_fbcon_zfill(dev, drm->fbcon);
+ }
}