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From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
To: "Christian König" <ckoenig.leichtzumerken@gmail.com>,
	dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
	linux-pci@vger.kernel.org, daniel.vetter@ffwll.ch,
	Harry.Wentland@amd.com
Cc: Alexander.Deucher@amd.com, gregkh@linuxfoundation.org,
	helgaas@kernel.org, Felix.Kuehling@amd.com
Subject: Re: [PATCH v5 06/27] drm/amdgpu: Handle IOMMU enabled case.
Date: Tue, 4 May 2021 11:43:48 -0400	[thread overview]
Message-ID: <dcb33aa5-a3ed-79e9-67dc-8bb8d9299755@amd.com> (raw)
In-Reply-To: <6607918c-cf02-98e1-f8a3-4106109e77cf@gmail.com>



On 2021-05-04 3:03 a.m., Christian König wrote:
> Am 03.05.21 um 22:43 schrieb Andrey Grodzovsky:
>>
>>
>> On 2021-04-29 3:08 a.m., Christian König wrote:
>>> Am 28.04.21 um 17:11 schrieb Andrey Grodzovsky:
>>>> Handle all DMA IOMMU gropup related dependencies before the
>>>> group is removed.
>>>>
>>>> v5: Drop IOMMU notifier and switch to lockless call to 
>>>> ttm_tt_unpopulate
>>>
>>> Maybe split that up into more patches.
>>>
>>>>
>>>> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
>>>> ---
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu.h        |  2 ++
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 31 
>>>> ++++++++++++++++++++--
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c   |  3 +--
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h   |  1 +
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c    |  9 +++++++
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 13 ++++++++-
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.h |  2 ++
>>>>   drivers/gpu/drm/amd/amdgpu/cik_ih.c        |  1 -
>>>>   drivers/gpu/drm/amd/amdgpu/cz_ih.c         |  1 -
>>>>   drivers/gpu/drm/amd/amdgpu/iceland_ih.c    |  1 -
>>>>   drivers/gpu/drm/amd/amdgpu/navi10_ih.c     |  3 ---
>>>>   drivers/gpu/drm/amd/amdgpu/si_ih.c         |  1 -
>>>>   drivers/gpu/drm/amd/amdgpu/tonga_ih.c      |  1 -
>>>>   drivers/gpu/drm/amd/amdgpu/vega10_ih.c     |  3 ---
>>>>   14 files changed, 56 insertions(+), 16 deletions(-)
>>>>
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h 
>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>>>> index fddb82897e5d..30a24db5f4d1 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>>>> @@ -1054,6 +1054,8 @@ struct amdgpu_device {
>>>>       bool                            in_pci_err_recovery;
>>>>       struct pci_saved_state          *pci_state;
>>>> +
>>>> +    struct list_head                device_bo_list;
>>>>   };
>>>>   static inline struct amdgpu_device *drm_to_adev(struct drm_device 
>>>> *ddev)
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>>> index 46d646c40338..91594ddc2459 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>>> @@ -70,6 +70,7 @@
>>>>   #include <drm/task_barrier.h>
>>>>   #include <linux/pm_runtime.h>
>>>> +
>>>>   MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
>>>>   MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin");
>>>>   MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin");
>>>> @@ -3211,7 +3212,6 @@ static const struct attribute 
>>>> *amdgpu_dev_attributes[] = {
>>>>       NULL
>>>>   };
>>>> -
>>>>   /**
>>>>    * amdgpu_device_init - initialize the driver
>>>>    *
>>>> @@ -3316,6 +3316,8 @@ int amdgpu_device_init(struct amdgpu_device 
>>>> *adev,
>>>>       INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func);
>>>> +    INIT_LIST_HEAD(&adev->device_bo_list);
>>>> +
>>>>       adev->gfx.gfx_off_req_count = 1;
>>>>       adev->pm.ac_power = power_supply_is_system_supplied() > 0;
>>>> @@ -3601,6 +3603,28 @@ int amdgpu_device_init(struct amdgpu_device 
>>>> *adev,
>>>>       return r;
>>>>   }
>>>> +static void amdgpu_clear_dma_mappings(struct amdgpu_device *adev)
>>>> +{
>>>> +    struct amdgpu_bo *bo = NULL;
>>>> +
>>>> +    /*
>>>> +     * Unmaps all DMA mappings before device will be removed from it's
>>>> +     * IOMMU group otherwise in case of IOMMU enabled system a crash
>>>> +     * will happen.
>>>> +     */
>>>> +
>>>> +    spin_lock(&adev->mman.bdev.lru_lock);
>>>> +    while (!list_empty(&adev->device_bo_list)) {
>>>> +        bo = list_first_entry(&adev->device_bo_list, struct 
>>>> amdgpu_bo, bo);
>>>> +        list_del_init(&bo->bo);
>>>> +        spin_unlock(&adev->mman.bdev.lru_lock);
>>>> +        if (bo->tbo.ttm)
>>>> +            ttm_tt_unpopulate(bo->tbo.bdev, bo->tbo.ttm);
>>>> +        spin_lock(&adev->mman.bdev.lru_lock);
>>>> +    }
>>>> +    spin_unlock(&adev->mman.bdev.lru_lock);
>>>
>>> Can you try to use the same approach as amdgpu_gtt_mgr_recover() 
>>> instead of adding something to the BO?
>>>
>>> Christian.
>>
>> Are you sure that dma mappings limit themself only to GTT BOs
>> which have allocated mm nodes ?
> 
> Yes, you would also need the system domain BOs. But those can be put on 
> a similar list.

What list ? Those BOs don't have ttm_resource_manager and so no
drm_mm_node list they all bound to. Should I maintain a list for them
spcifically for the unmap purpuse ?

> 
>> Otherwsie we will crash and burn
>> on missing IOMMU group when unampping post device remove.
>> Problem for me to test this as in 5.12 kernel I don't crash even
>> when removing this entire patch.  Looks like iommu_dma_unmap_page
>> was changed since 5.9 when I introdiced this patch.
> 
> Do we really still need that stuff then? What exactly has changed?

At first I assumed that because of this change 'iommu: Allow the 
dma-iommu api to use bounce buffers'
Which changed iommu_dma_unmap_page to call __iommu_dma_unmap_swiotlb
instead if __iommu_dma_unmap directly. But then i looked inside
__iommu_dma_unmap_swiotlb and it still calls __iommu_dma_unmap
evenetually. So maybe the fact that I moved the amd_ip_funcs.hw_fini
call to inside amdgpu_pci_remove helps.

Andrey


> 
> Christian.
> 
>>
>> Andrey
>>
>>>
>>>> +}
>>>> +
>>>>   /**
>>>>    * amdgpu_device_fini - tear down the driver
>>>>    *
>>>> @@ -3639,12 +3663,15 @@ void amdgpu_device_fini_hw(struct 
>>>> amdgpu_device *adev)
>>>>           amdgpu_ucode_sysfs_fini(adev);
>>>>       sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
>>>> -
>>>>       amdgpu_fbdev_fini(adev);
>>>>       amdgpu_irq_fini_hw(adev);
>>>>       amdgpu_device_ip_fini_early(adev);
>>>> +
>>>> +    amdgpu_clear_dma_mappings(adev);
>>>> +
>>>> +    amdgpu_gart_dummy_page_fini(adev);
>>>>   }
>>>>   void amdgpu_device_fini_sw(struct amdgpu_device *adev)
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
>>>> index fde2d899b2c4..49cdcaf8512d 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
>>>> @@ -92,7 +92,7 @@ static int amdgpu_gart_dummy_page_init(struct 
>>>> amdgpu_device *adev)
>>>>    *
>>>>    * Frees the dummy page used by the driver (all asics).
>>>>    */
>>>> -static void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
>>>> +void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev)
>>>>   {
>>>>       if (!adev->dummy_page_addr)
>>>>           return;
>>>> @@ -397,5 +397,4 @@ void amdgpu_gart_fini(struct amdgpu_device *adev)
>>>>       vfree(adev->gart.pages);
>>>>       adev->gart.pages = NULL;
>>>>   #endif
>>>> -    amdgpu_gart_dummy_page_fini(adev);
>>>>   }
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h 
>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
>>>> index afa2e2877d87..5678d9c105ab 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
>>>> @@ -61,6 +61,7 @@ int amdgpu_gart_table_vram_pin(struct 
>>>> amdgpu_device *adev);
>>>>   void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
>>>>   int amdgpu_gart_init(struct amdgpu_device *adev);
>>>>   void amdgpu_gart_fini(struct amdgpu_device *adev);
>>>> +void amdgpu_gart_dummy_page_fini(struct amdgpu_device *adev);
>>>>   int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
>>>>                  int pages);
>>>>   int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>>> index 63e815c27585..a922154953a7 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>>> @@ -326,6 +326,15 @@ void amdgpu_irq_fini_hw(struct amdgpu_device 
>>>> *adev)
>>>>           if (!amdgpu_device_has_dc_support(adev))
>>>>               flush_work(&adev->hotplug_work);
>>>>       }
>>>> +
>>>> +    if (adev->irq.ih_soft.ring)
>>>> +        amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft);
>>>> +    if (adev->irq.ih.ring)
>>>> +        amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>> +    if (adev->irq.ih1.ring)
>>>> +        amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
>>>> +    if (adev->irq.ih2.ring)
>>>> +        amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
>>>>   }
>>>>   /**
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>>>> index 485f249d063a..62d829f5e62c 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>>>> @@ -68,8 +68,13 @@ static void amdgpu_bo_destroy(struct 
>>>> ttm_buffer_object *tbo)
>>>>           list_del_init(&bo->shadow_list);
>>>>           mutex_unlock(&adev->shadow_list_lock);
>>>>       }
>>>> -    amdgpu_bo_unref(&bo->parent);
>>>> +
>>>> +    spin_lock(&adev->mman.bdev.lru_lock);
>>>> +    list_del(&bo->bo);
>>>> +    spin_unlock(&adev->mman.bdev.lru_lock);
>>>> +
>>>> +    amdgpu_bo_unref(&bo->parent);
>>>>       kfree(bo->metadata);
>>>>       kfree(bo);
>>>>   }
>>>> @@ -585,6 +590,12 @@ static int amdgpu_bo_do_create(struct 
>>>> amdgpu_device *adev,
>>>>       if (bp->type == ttm_bo_type_device)
>>>>           bo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
>>>> +    INIT_LIST_HEAD(&bo->bo);
>>>> +
>>>> +    spin_lock(&adev->mman.bdev.lru_lock);
>>>> +    list_add_tail(&bo->bo, &adev->device_bo_list);
>>>> +    spin_unlock(&adev->mman.bdev.lru_lock);
>>>> +
>>>>       return 0;
>>>>   fail_unreserve:
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h 
>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
>>>> index 9ac37569823f..5ae8555ef275 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
>>>> @@ -110,6 +110,8 @@ struct amdgpu_bo {
>>>>       struct list_head        shadow_list;
>>>>       struct kgd_mem                  *kfd_bo;
>>>> +
>>>> +    struct list_head        bo;
>>>>   };
>>>>   static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct 
>>>> ttm_buffer_object *tbo)
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/cik_ih.c
>>>> index 183d44a6583c..df385ffc9768 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c
>>>> @@ -310,7 +310,6 @@ static int cik_ih_sw_fini(void *handle)
>>>>       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>>>>       amdgpu_irq_fini_sw(adev);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>>       amdgpu_irq_remove_domain(adev);
>>>>       return 0;
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
>>>> index d32743949003..b8c47e0cf37a 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
>>>> @@ -302,7 +302,6 @@ static int cz_ih_sw_fini(void *handle)
>>>>       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>>>>       amdgpu_irq_fini_sw(adev);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>>       amdgpu_irq_remove_domain(adev);
>>>>       return 0;
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
>>>> index da96c6013477..ddfe4eaeea05 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
>>>> @@ -301,7 +301,6 @@ static int iceland_ih_sw_fini(void *handle)
>>>>       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>>>>       amdgpu_irq_fini_sw(adev);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>>       amdgpu_irq_remove_domain(adev);
>>>>       return 0;
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
>>>> index 5eea4550b856..e171a9e78544 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
>>>> @@ -571,9 +571,6 @@ static int navi10_ih_sw_fini(void *handle)
>>>>       amdgpu_irq_fini_sw(adev);
>>>>       amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>>       return 0;
>>>>   }
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/si_ih.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/si_ih.c
>>>> index 751307f3252c..9a24f17a5750 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/si_ih.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/si_ih.c
>>>> @@ -176,7 +176,6 @@ static int si_ih_sw_fini(void *handle)
>>>>       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>>>>       amdgpu_irq_fini_sw(adev);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>>       return 0;
>>>>   }
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
>>>> index 973d80ec7f6c..b08905d1c00f 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
>>>> @@ -313,7 +313,6 @@ static int tonga_ih_sw_fini(void *handle)
>>>>       struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>>>>       amdgpu_irq_fini_sw(adev);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>>       amdgpu_irq_remove_domain(adev);
>>>>       return 0;
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
>>>> index 2d0094c276ca..8c8abc00f710 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
>>>> @@ -525,9 +525,6 @@ static int vega10_ih_sw_fini(void *handle)
>>>>       amdgpu_irq_fini_sw(adev);
>>>>       amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
>>>> -    amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>>>>       return 0;
>>>>   }
>>>
> 
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  reply	other threads:[~2021-05-04 15:43 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-28 15:11 [PATCH v5 00/27] RFC Support hot device unplug in amdgpu Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 01/27] drm/ttm: Remap all page faults to per process dummy page Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 02/27] drm/ttm: Expose ttm_tt_unpopulate for driver use Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 03/27] drm/amdgpu: Split amdgpu_device_fini into early and late Andrey Grodzovsky
2021-04-29  7:04   ` Christian König
2021-04-30  3:10     ` Alex Deucher
2021-04-30  5:19   ` Lazar, Lijo
2021-04-30  5:39     ` Andrey Grodzovsky
2021-04-30  5:49       ` Lazar, Lijo
2021-04-28 15:11 ` [PATCH v5 04/27] drm/amdkfd: Split kfd suspend from devie exit Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 05/27] drm/amdgpu: Add early fini callback Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 06/27] drm/amdgpu: Handle IOMMU enabled case Andrey Grodzovsky
2021-04-29  7:08   ` Christian König
2021-05-03 20:43     ` Andrey Grodzovsky
2021-05-04  7:03       ` Christian König
2021-05-04 15:43         ` Andrey Grodzovsky [this message]
2021-05-05 14:51           ` Andrey Grodzovsky
2021-04-30  3:13   ` Alex Deucher
2021-05-03 18:00     ` Andrey Grodzovsky
2021-05-04 17:05   ` Felix Kuehling
2021-05-05 14:05     ` Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 07/27] drm/amdgpu: Remap all page faults to per process dummy page Andrey Grodzovsky
2021-04-29  7:09   ` Christian König
2021-04-28 15:11 ` [PATCH v5 08/27] PCI: add support for dev_groups to struct pci_device_driver Andrey Grodzovsky
2021-04-28 16:53   ` Bjorn Helgaas
2021-04-29 16:53     ` Andrey Grodzovsky
2021-04-29 19:23       ` Bjorn Helgaas
2021-04-29 20:36         ` Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 09/27] dmr/amdgpu: Move some sysfs attrs creation to default_attr Andrey Grodzovsky
2021-04-28 17:23   ` Bjorn Helgaas
2021-04-29  7:11   ` Christian König
2021-04-28 15:11 ` [PATCH v5 10/27] drm/amdgpu: Guard against write accesses after device removal Andrey Grodzovsky
2021-04-29  7:14   ` Christian König
2021-04-28 15:11 ` [PATCH v5 11/27] drm/sched: Make timeout timer rearm conditional Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 12/27] drm/amdgpu: Prevent any job recoveries after device is unplugged Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 13/27] drm/amdgpu: When filizing the fence driver. stop scheduler first Andrey Grodzovsky
2021-04-29  7:15   ` Christian König
2021-04-29 17:12     ` Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 14/27] drm/amdgpu: Fix hang on device removal Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 15/27] drm/scheduler: Fix hang when sched_entity released Andrey Grodzovsky
2021-04-29  7:18   ` Christian König
2021-04-29 17:06     ` Andrey Grodzovsky
2021-04-30  6:47       ` Christian König
2021-04-30 16:10         ` Andrey Grodzovsky
2021-05-05 13:57           ` Andrey Grodzovsky
2021-05-07 16:29           ` Daniel Vetter
2021-05-07 16:32             ` Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 16/27] drm/amdgpu: Unmap all MMIO mappings Andrey Grodzovsky
2021-04-29  7:19   ` Christian König
2021-04-29 16:55     ` Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 17/27] drm/amdgpu: Add rw_sem to pushing job into sched queue Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 18/27] drm/sched: Expose drm_sched_entity_kill_jobs Andrey Grodzovsky
2021-04-28 15:11 ` [PATCH v5 19/27] drm/amdgpu: Finilise device fences on device remove Andrey Grodzovsky
2021-04-28 15:20   ` Andrey Grodzovsky
2021-04-28 15:12 ` [PATCH v5 20/27] drm: Scope all DRM IOCTLs with drm_dev_enter/exit Andrey Grodzovsky
2021-04-29 11:23   ` Daniel Vetter
2021-04-29 11:32     ` Daniel Vetter
2021-04-29 16:04       ` Andrey Grodzovsky
2021-04-29 16:15         ` Felix Kuehling
2021-04-29 16:21           ` Andrey Grodzovsky
2021-04-29 16:29             ` Felix Kuehling
2021-04-29 16:33               ` Andrey Grodzovsky
2021-04-29 19:05         ` Daniel Vetter
2021-04-29 20:34           ` Andrey Grodzovsky
2021-04-30 10:25             ` Daniel Vetter
2021-04-30 17:27               ` Andrey Grodzovsky
2021-05-05 13:57                 ` Andrey Grodzovsky
2021-05-06  9:40                 ` Daniel Vetter
2021-05-06 16:25                   ` Andrey Grodzovsky
2021-05-07  9:11                     ` Daniel Vetter
2021-05-07 15:39                       ` Andrey Grodzovsky
2021-05-07 16:24                         ` Daniel Vetter
2021-05-07 18:00                           ` Andrey Grodzovsky
2021-05-10 15:46                             ` Daniel Vetter
2021-04-28 15:12 ` [PATCH v5 21/27] drm/amdgpu: Add support for hot-unplug feature at DRM level Andrey Grodzovsky
2021-04-28 15:12 ` [PATCH v5 22/27] drm/amd/display: Scope all DM queued work with drm_dev_enter/exit Andrey Grodzovsky
2021-04-28 15:12 ` [PATCH v5 23/27] drm/amd/powerplay: Scope all PM " Andrey Grodzovsky
2021-04-28 15:12 ` [PATCH v5 24/27] drm/amdkfd: Scope all KFD " Andrey Grodzovsky
2021-04-28 15:12 ` [PATCH v5 25/27] drm/amdgpu: Scope all amdgpu " Andrey Grodzovsky
2021-04-28 15:12 ` [PATCH v5 26/27] drm/amd/display: Remove superflous drm_mode_config_cleanup Andrey Grodzovsky
2021-04-28 15:12 ` [PATCH v5 27/27] drm/amdgpu: Verify DMA opearations from device are done Andrey Grodzovsky
2021-04-28 17:07 ` [PATCH v5 00/27] RFC Support hot device unplug in amdgpu Bjorn Helgaas

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