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>

parent 1ce1e41c

drivers/gpu/drm/radeon/radeon_kms.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}