: Thursday, February 25, 2021 4:08 PM
To: Chen, JingWen ; amd-gfx@lists.freedesktop.org
Cc: Liu, Monk
Subject: Re: [PATCH 2/2] drm/amd/amdgpu: force flush resubmit job
Good catch, but the approach for the fix is incorrect.
The device reset count can only be incremented after taking the reset lock and
H 2/2] drm/amd/amdgpu: force flush resubmit job
Am 25.02.21 um 06:27 schrieb Jingwen Chen:
[Why]
when a job is scheduled during TDR(after device reset count increase
and before drm_sched_stop), this job won't do vm_flush when resubmit
itself after GPU reset done. This can lead to a page fa
t: Re: [PATCH 2/2] drm/amd/amdgpu: force flush resubmit job
Am 25.02.21 um 06:27 schrieb Jingwen Chen:
> [Why]
> when a job is scheduled during TDR(after device reset count increase
> and before drm_sched_stop), this job won't do vm_flush when resubmit
> itself after GPU reset do
Am 25.02.21 um 06:27 schrieb Jingwen Chen:
[Why]
when a job is scheduled during TDR(after device reset count
increase and before drm_sched_stop), this job won't do vm_flush
when resubmit itself after GPU reset done. This can lead to
a page fault.
[How]
Always do vm_flush for resubmit job.
N
[Why]
when a job is scheduled during TDR(after device reset count
increase and before drm_sched_stop), this job won't do vm_flush
when resubmit itself after GPU reset done. This can lead to
a page fault.
[How]
Always do vm_flush for resubmit job.
Signed-off-by: Jingwen Chen
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drivers/gpu/drm/
