Hi! Since kernel 6.1.22 starting a resume from hibernate by hitting a
key on the keyboard fails. However, if the PC was switched off and on
again (or reset), the resume is OK. The APU is a Ryzen 5600G.
Bisecting between 6.1.21/22 turned up this:
Author: Tim Huang <tim.huang@xxxxxxx>
Date: Thu Mar 9 16:27:51 2023 +0800
drm/amdgpu: skip ASIC reset for APUs when go to S4
commit b589626674de94d977e81c99bf7905872b991197 upstream.
For GC IP v11.0.4/11, PSP TMR need to be reserved
for ASIC mode2 reset. But for S4, when psp suspend,
it will destroy the TMR that fails the ASIC reset.
[...]
Reverting the commit solves the problem.
Thanks.
Rainer Fiebig
--
The truth always turns out to be simpler than you thought.
Richard Feynman
