From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
To: Felix Kuehling <felix.kuehling@amd.com>,
dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
linux-pci@vger.kernel.org, ckoenig.leichtzumerken@gmail.com,
daniel.vetter@ffwll.ch, Harry.Wentland@amd.com
Cc: Alexander.Deucher@amd.com, gregkh@linuxfoundation.org,
helgaas@kernel.org
Subject: Re: [PATCH v5 06/27] drm/amdgpu: Handle IOMMU enabled case.
Date: Wed, 5 May 2021 10:05:05 -0400 [thread overview]
Message-ID: <8810235e-7394-5c6c-b074-fe97bc2fb044@amd.com> (raw)
In-Reply-To: <4f752f79-2541-d62d-5279-17992e4161d7@amd.com>
On 2021-05-04 1:05 p.m., Felix Kuehling wrote:
>
> Am 2021-04-28 um 11:11 a.m. 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
>>
>> 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);
>
> I have a patch pending (reviewed by Christian) that moves the
> dma-unmapping to amdgpu_ttm_backend_unbind. With that patch,
> ttm_tt_unpopulate would no longer be the right way to remove the DMA
> mapping.
>
> Maybe I'd need to add a check in ttm_tt_unpopulate to call
> backend_unbind first, if necessary. Or is there some other mechanism
> that moves the BO to the CPU domain before unpopulating it?
>
> Regards,
> Felix
At least in the context of this patch we don't move the BO to system
domain but rather preemptively remove DMA mappings before IOMMU grpoup
is gone post pci_remove. So yes, I would say yes, we need to check here
for backend_unbind first.
Andrey
>
>
>> + spin_lock(&adev->mman.bdev.lru_lock);
>> + }
>> + spin_unlock(&adev->mman.bdev.lru_lock);
>> +}
>> +
>> /**
>> * 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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next prev parent reply other threads:[~2021-05-05 14:05 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
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 [this message]
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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--in-reply-to=8810235e-7394-5c6c-b074-fe97bc2fb044@amd.com \
--to=andrey.grodzovsky@amd.com \
--cc=Alexander.Deucher@amd.com \
--cc=Harry.Wentland@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=ckoenig.leichtzumerken@gmail.com \
--cc=daniel.vetter@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=felix.kuehling@amd.com \
--cc=gregkh@linuxfoundation.org \
--cc=helgaas@kernel.org \
--cc=linux-pci@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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