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>
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@ -203,6 +203,10 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
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*/
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int radeon_driver_firstopen_kms(struct drm_device *dev)
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{
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struct radeon_device *rdev = dev->dev_private;
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if (rdev->powered_down)
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return -EINVAL;
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return 0;
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}
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