drm/radeon: don't allow device to be opened if powered down

If the switcheroo has switched the device off, don't let X open it. Signed-off-by: Dave Airlie <airlied@redhat.com>
git-mirror · Sep 22, 2010 · 5222454 · 5222454
1 parent 1ce1e41
commit 5222454
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -203,6 +203,10 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
  */
 int radeon_driver_firstopen_kms(struct drm_device *dev)
 {
+	struct radeon_device *rdev = dev->dev_private;
+
+	if (rdev->powered_down)
+		return -EINVAL;
 	return 0;
 }