[AMD Official Use Only - Internal Distribution Only]
-Original Message-
From: Grodzovsky, Andrey
Sent: Friday, July 10, 2020 10:33 PM
To: Li, Dennis ; amd-gfx@lists.freedesktop.org; Deucher,
Alexander ; Zhou1, Tao ; Zhang,
Hawking ; Chen, Guchun
Subject: Re: [PATCH v2] drm/amdgpu:
On 7/8/20 3:48 AM, Dennis Li wrote:
During GPU reset, driver should hold on all external access to
GPU, otherwise psp will randomly fail to do post, and then cause
system hang.
v2:
1. add rwlock for some ioctls, debugfs and file-close function.
2. change to use dqm->is_resetting and dqm_lock