tree bac28535a29823ddba1c53b28c67e9381dcbef53
parent b6bf5a5d10a6c7cbd7e7a4237c8ef6a0605a0acc
author Michel Dänzer <michel.daenzer@amd.com> 1389148820 +0900
committer chrmhoffmann <chrmhoffmann@gmail.com> 1586074767 +0200

radeon/pm: Guard access to rdev->pm.power_state array

commit 370169516e736edad3b3c5aa49858058f8b55195 upstream.

It's never allocated on systems without an ATOMBIOS or COMBIOS ROM.

Should fix an oops I encountered while resetting the GPU after a lockup
on my PowerBook with an RV350.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>