On 4/17/20 12:05 PM, Shuah Khan wrote:
Hi Linus, Linux 5.7-rc1 reboot/powereoff hangs on AMD Ryzen 5 PRO 2400GE system. I isolated the commit to: Revering the following commit fixes the problem. commit 487eca11a321ef33bcf4ca5adb3c0c4954db1b58 Author: Prike Liang <Prike.Liang@xxxxxxx> Date: Tue Apr 7 20:21:26 2020 +0800 drm/amdgpu: fix gfx hang during suspend with video playback (v2) The system will be hang up during S3 suspend because of SMU is pending for GC not respose the register CP_HQD_ACTIVE access request.This issue root cause of accessing the GC register under enter GFX CGGPG and can be fixed by disable GFX CGPG before perform suspend.
I can send a revert, however it appears this is a fix for a suspend hang. thanks, -- Shuah
