radeonfb: Use __pci_complete_power_transition()

Use __pci_complete_power_transition() to finalize the transition into
D2 after programming the PMCSR of the device directly.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
1 file changed