RE: [PATCH 1/4] drm/amdgpu: Move flush VCE idle_work during HW fini

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[AMD Official Use Only]

Just landed.

Thanks,
Evan
> -----Original Message-----
> From: Grodzovsky, Andrey <Andrey.Grodzovsky@xxxxxxx>
> Sent: Wednesday, August 25, 2021 11:20 AM
> To: Quan, Evan <Evan.Quan@xxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx;
> amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: ckoenig.leichtzumerken@xxxxxxxxx
> Subject: Re: [PATCH 1/4] drm/amdgpu: Move flush VCE idle_work during HW
> fini
> 
> Right, they will cover my use case, when are they landing ? I rebased today
> and haven't seen them.
> 
> Andrey
> 
> On 2021-08-24 9:41 p.m., Quan, Evan wrote:
> > [AMD Official Use Only]
> >
> > Hi Andrey,
> >
> > I sent out a similar patch set to address S3 issue. And I believe it should be
> able to address the issue here too.
> > https://lists.freedesktop.org/archives/amd-gfx/2021-August/067972.html
> > https://lists.freedesktop.org/archives/amd-gfx/2021-August/067967.html
> >
> > BR
> > Evan
> >> -----Original Message-----
> >> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> >> Andrey Grodzovsky
> >> Sent: Wednesday, August 25, 2021 5:01 AM
> >> To: dri-devel@xxxxxxxxxxxxxxxxxxxxx; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> >> Cc: ckoenig.leichtzumerken@xxxxxxxxx; Grodzovsky, Andrey
> >> <Andrey.Grodzovsky@xxxxxxx>
> >> Subject: [PATCH 1/4] drm/amdgpu: Move flush VCE idle_work during HW
> >> fini
> >>
> >> Attepmts to powergate after device is removed lead to crash.
> >>
> >> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
> >> ---
> >>   drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 1 -
> >>   drivers/gpu/drm/amd/amdgpu/vce_v2_0.c   | 4 ++++
> >>   drivers/gpu/drm/amd/amdgpu/vce_v3_0.c   | 5 ++++-
> >>   drivers/gpu/drm/amd/amdgpu/vce_v4_0.c   | 2 ++
> >>   4 files changed, 10 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> >> index 1ae7f824adc7..8e8dee9fac9f 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> >> @@ -218,7 +218,6 @@ int amdgpu_vce_sw_fini(struct amdgpu_device
> >> *adev)
> >>   	if (adev->vce.vcpu_bo == NULL)
> >>   		return 0;
> >>
> >> -	cancel_delayed_work_sync(&adev->vce.idle_work);
> >>   	drm_sched_entity_destroy(&adev->vce.entity);
> >>
> >>   	amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev-
> >>> vce.gpu_addr,
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
> >> b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
> >> index c7d28c169be5..716dfdd020b4 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
> >> @@ -477,6 +477,10 @@ static int vce_v2_0_hw_init(void *handle)
> >>
> >>   static int vce_v2_0_hw_fini(void *handle)
> >>   {
> >> +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> >> +
> >> +	cancel_delayed_work_sync(&adev->vce.idle_work);
> >> +
> >>   	return 0;
> >>   }
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> >> b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> >> index 3b82fb289ef6..49581c6e0cea 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
> >> @@ -495,7 +495,10 @@ static int vce_v3_0_hw_fini(void *handle)
> >>   		return r;
> >>
> >>   	vce_v3_0_stop(adev);
> >> -	return vce_v3_0_set_clockgating_state(adev,
> >> AMD_CG_STATE_GATE);
> >> +	r =  vce_v3_0_set_clockgating_state(adev, AMD_CG_STATE_GATE);
> >> +	cancel_delayed_work_sync(&adev->vce.idle_work);
> >> +
> >> +	return r;
> >>   }
> >>
> >>   static int vce_v3_0_suspend(void *handle) diff --git
> >> a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
> >> b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
> >> index 90910d19db12..3297405fd32d 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
> >> @@ -550,6 +550,8 @@ static int vce_v4_0_hw_fini(void *handle)
> >>   		DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
> >>   	}
> >>
> >> +	cancel_delayed_work_sync(&adev->vce.idle_work);
> >> +
> >>   	return 0;
> >>   }
> >>
> >> --
> >> 2.25.1




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