This seems to break reboot on some evergreen systems.
bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=99524
https://bugzilla.kernel.org/show_bug.cgi?id=192271
This reverts commit 
a481daa88fd4d6b54f25348972bba10b5f6a84d0.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
 radeon_pci_shutdown(struct pci_dev *pdev)
 {
        /* if we are running in a VM, make sure the device
-        * torn down properly on reboot/shutdown.
-        * unfortunately we can't detect certain
-        * hypervisors so just do this all the time.
+        * torn down properly on reboot/shutdown
         */
-       radeon_pci_remove(pdev);
+       if (radeon_device_is_virtual())
+               radeon_pci_remove(pdev);
 }
 
 static int radeon_pmops_suspend(struct device *dev)