drm/amdgpu:need som change on vega10 mailbox

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if sriov gpu reset is invoked by job timeout, it is run
in a global work-queue which is very slow and better not call
msleep ortherwise it takes long time to get back CPU.

so make below changes:

1: Change msleep 1 to mdelay 5
2: Ignore the ack fail from pf after time out,
   because VF FLR will clear ack, sometime VF FLR is done
   prior to the beginning of poll_ack so we can ignore this ack

TODO:
Put job_timedout (and the following gpu reset) in a driver thread,
instead of the global work_struct.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Monk Liu 2017-04-21 19:35:11 +08:00 • committed by Alex Deucher

parent 3af906f0cf

commit 17b2e332a2

2 changed files with 15 additions and 13 deletions

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18

drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c

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10

drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c

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