On 01/24/2019 02:18 AM, Lou, Wentao wrote: > ++Monk > > Yes amdgpu_lockup_timeout was forced to 10000 in current code, that means > amdgpu_device_gpu_recover was not triggered inside xgpu_ai_mailbox_flr_work. > For sriov, amdgpu_device_gpu_recover was already called by > amdgpu_job_timedout, unexpected amdgpu_device_gpu_recover called by > xgpu_ai_mailbox_flr_work would make vk-cts failed.
So if I understand correctly your goal is to avoid the gpu recover triggered from xgpu_ai_mailbox_flr_work, bot I don't understand how adding 'amdgpu_lockup_timeout == 0' achieves that ? Andrey > > -----Original Message----- > From: Grodzovsky, Andrey <andrey.grodzov...@amd.com> > Sent: Thursday, January 24, 2019 12:27 AM > To: Lou, Wentao <wentao....@amd.com>; amd-gfx@lists.freedesktop.org > Subject: Re: [PATCH] drm/amdgpu: tighten gpu_recover in mailbox_flr to avoid > duplicate recover in sriov > > > > On 01/23/2019 04:50 AM, wentalou wrote: >> sriov's gpu_recover inside xgpu_ai_mailbox_flr_work would cause duplicate >> recover in TDR. >> TDR's gpu_recover would be triggered by amdgpu_job_timedout, that >> could avoid vk-cts failure by unexpected recover. >> >> Change-Id: Ifcba4ac43a0229ae19061aad3b0ddc96957ff9c6 >> Signed-off-by: wentalou <wentao....@amd.com> >> --- >> drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c >> b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c >> index b11a1c17..f227633 100644 >> --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c >> +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c >> @@ -266,7 +266,7 @@ static void xgpu_ai_mailbox_flr_work(struct work_struct >> *work) >> } >> >> /* Trigger recovery for world switch failure if no TDR */ >> - if (amdgpu_device_should_recover_gpu(adev)) >> + if (amdgpu_device_should_recover_gpu(adev) && amdgpu_lockup_timeout >> +== 0) > Not sure I fully understand the intent here but amdgpu_lockup_timeout == 0 is > forced to 10000 in amdgpu_device_check_arguments and hence not an indication > of disabled gpu recover - it will still happen. > > Andrey > >> amdgpu_device_gpu_recover(adev, NULL); >> } >> > _______________________________________________ > amd-gfx mailing list > amd-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
