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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>
This commit is contained in:
Dave Airlie 2010-09-22 12:31:46 +10:00
parent 1ce1e41c1b
commit 5222454cf9
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/radeon/radeon_kms.c
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@ -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;
}