> -Original Message-
> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
> Of Monk Liu
> Sent: Tuesday, February 07, 2017 1:11 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Liu, Monk
> Subject: [PATCH 11/20] drm/amdgpu:add lock_reset for SRIOV
>
this lock is used for sriov_gpu_reset, only get this mutex
can run into sriov_gpu_reset.
we have two cases triggers gpu_reset for SRIOV:
1) we have submit timedout and trigger reset voluntarily
2) hypervisor found world switch hang and trigger flr and notify we to
do gpu reset.
both cases need