Maybe this patch needs a better explanation how the GART and IH changes
relate to IOMMU or what's the problem this is meant to fix. Just looking
at the patch I don't see the connection. Looks like just a bunch of
refactoring to me.
Regards,
Felix
Am 2021-05-14 um 10:41 a.m. schrieb Andrey Grodzovsky:
> Ping
>
> Andrey
>
> On 2021-05-12 10:26 a.m., Andrey Grodzovsky wrote:
>> 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
>> v6: Drop the BO unamp list
>> v7:
>> Drop amdgpu_gart_fini
>> In amdgpu_ih_ring_fini do uncinditional check (!ih->ring)
>> to avoid freeing uniniitalized rings.
>> Call amdgpu_ih_ring_fini unconditionally.
>>
>> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
>> drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 14 +-------------
>> drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h | 2 +-
>> drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 6 ++++--
>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 5 +++++
>> drivers/gpu/drm/amd/amdgpu/cik_ih.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/cz_ih.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/iceland_ih.c | 1 -
>> drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 4 ----
>> 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 | 4 ----
>> drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 4 ----
>> 18 files changed, 13 insertions(+), 40 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index 18598eda18f6..a0bff4713672 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -3256,7 +3256,6 @@ static const struct attribute
>> *amdgpu_dev_attributes[] = {
>> NULL
>> };
>> -
>> /**
>> * amdgpu_device_init - initialize the driver
>> *
>> @@ -3698,12 +3697,13 @@ 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_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 c5a9a4fb10d2..6460cf723f0a 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;
>> @@ -365,15 +365,3 @@ int amdgpu_gart_init(struct amdgpu_device *adev)
>> return 0;
>> }
>> -
>> -/**
>> - * amdgpu_gart_fini - tear down the driver info for managing the gart
>> - *
>> - * @adev: amdgpu_device pointer
>> - *
>> - * Tear down the gart driver info and free the dummy page (all asics).
>> - */
>> -void amdgpu_gart_fini(struct amdgpu_device *adev)
>> -{
>> - 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 a25fe97b0196..030b9d4c736a 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
>> @@ -57,7 +57,7 @@ void amdgpu_gart_table_vram_free(struct
>> amdgpu_device *adev);
>> 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_ih.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
>> index faaa6aa2faaf..433469ace6f4 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
>> @@ -115,9 +115,11 @@ int amdgpu_ih_ring_init(struct amdgpu_device
>> *adev, struct amdgpu_ih_ring *ih,
>> */
>> void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct
>> amdgpu_ih_ring *ih)
>> {
>> +
>> + if (!ih->ring)
>> + return;
>> +
>> if (ih->use_bus_addr) {
>> - if (!ih->ring)
>> - return;
>> /* add 8 bytes for the rptr/wptr shadows and
>> * add them to the end of the ring allocation.
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> index 233b64dab94b..32ce0e679dc7 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> @@ -361,6 +361,11 @@ void amdgpu_irq_fini_hw(struct amdgpu_device *adev)
>> if (!amdgpu_device_has_dc_support(adev))
>> flush_work(&adev->hotplug_work);
>> }
>> +
>> + amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft);
>> + amdgpu_ih_ring_fini(adev, &adev->irq.ih);
>> + amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
>> + amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
>> }
>> /**
>> 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/gmc_v10_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
>> index 2bfd620576f2..5e8bfcdd422e 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
>> @@ -954,7 +954,6 @@ static int gmc_v10_0_sw_init(void *handle)
>> static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
>> {
>> amdgpu_gart_table_vram_free(adev);
>> - amdgpu_gart_fini(adev);
>> }
>> static int gmc_v10_0_sw_fini(void *handle)
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> index 405d6ad09022..0e81e03e9b49 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
>> @@ -898,7 +898,6 @@ static int gmc_v6_0_sw_fini(void *handle)
>> amdgpu_vm_manager_fini(adev);
>> amdgpu_gart_table_vram_free(adev);
>> amdgpu_bo_fini(adev);
>> - amdgpu_gart_fini(adev);
>> release_firmware(adev->gmc.fw);
>> adev->gmc.fw = NULL;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> index 210ada2289ec..0795ea736573 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
>> @@ -1085,7 +1085,6 @@ static int gmc_v7_0_sw_fini(void *handle)
>> kfree(adev->gmc.vm_fault_info);
>> amdgpu_gart_table_vram_free(adev);
>> amdgpu_bo_fini(adev);
>> - amdgpu_gart_fini(adev);
>> release_firmware(adev->gmc.fw);
>> adev->gmc.fw = NULL;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> index c1bd190841f8..dbf2e5472069 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
>> @@ -1194,7 +1194,6 @@ static int gmc_v8_0_sw_fini(void *handle)
>> kfree(adev->gmc.vm_fault_info);
>> amdgpu_gart_table_vram_free(adev);
>> amdgpu_bo_fini(adev);
>> - amdgpu_gart_fini(adev);
>> release_firmware(adev->gmc.fw);
>> adev->gmc.fw = NULL;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> index c82d82da2c73..5ed0adae05cf 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> @@ -1601,7 +1601,6 @@ static int gmc_v9_0_sw_fini(void *handle)
>> amdgpu_gart_table_vram_free(adev);
>> amdgpu_bo_unref(&adev->gmc.pdb0_bo);
>> amdgpu_bo_fini(adev);
>> - amdgpu_gart_fini(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..941d464a2b47 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
>> @@ -570,10 +570,6 @@ static int navi10_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_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 dead9c2fbd4c..32ec4b8e806a 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
>> @@ -514,10 +514,6 @@ static int vega10_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_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/vega20_ih.c
>> b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
>> index 58993ae1fe11..f51dfc38ac65 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
>> @@ -566,10 +566,6 @@ static int vega20_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_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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