tree 86a0c3b82a8cced4c9d4d26d9411496cfcd242de
parent 07e3a1cfb0568b6d8d7862077029af96af6690ea
author Felix Kuehling <Felix.Kuehling@amd.com> 1532101045 -0400
committer Alex Deucher <alexander.deucher@amd.com> 1542661552 -0500

drm/amdgpu: Fix oops when pp_funcs->switch_power_profile is unset

On Vega20 and other pre-production GPUs, powerplay is not enabled yet.
Check for NULL pointers before calling pp_funcs function pointers.

Also affects Kaveri.

CC: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org