On Tue, Jan 17, 2023 at 04:06:05AM +0300, Dmitry Osipenko wrote:
> 16.01.2023 18:11, Christian König пишет:
> >
> >
> >> mmapping the memory with that new offset should still work. The
> >> imported BO is created with ttm_bo_type_sg, and AFAICT ttm_bo_vm.c
> >> supports mapping of
16.01.2023 18:11, Christian König пишет:
>
>
>> mmapping the memory with that new offset should still work. The
>> imported BO is created with ttm_bo_type_sg, and AFAICT ttm_bo_vm.c
>> supports mapping of SG BOs.
>
> Actually it shouldn't. This can go boom really easily.
>>
-...@lists.freedesktop.org; dri-devel@lists.freedesktop.org
Cc: Chen, Xiaogang ; Koenig, Christian
Subject: [PATCH 1/6] drm/amdgpu: Generalize KFD dmabuf import
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Use proper
Cc: Chen, Xiaogang ; Koenig, Christian
Subject: [PATCH 1/6] drm/amdgpu: Generalize KFD dmabuf import
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Use proper amdgpu_gem_prime_import function to handle all
Am 16.01.23 um 15:52 schrieb Felix Kuehling:
Am 2023-01-16 um 06:42 schrieb Christian König:
[SNIP]
When the BO is imported into the same GPU, you get a reference to
the same BO, so the imported BO has the same mmap_offset as the
original BO.
When the BO is imported into a different GPU, it
Am 2023-01-16 um 06:42 schrieb Christian König:
[SNIP]
When the BO is imported into the same GPU, you get a reference to
the same BO, so the imported BO has the same mmap_offset as the
original BO.
When the BO is imported into a different GPU, it is a new BO with a
new mmap_offset.
That wo
[SNIP]
When the BO is imported into the same GPU, you get a reference to
the same BO, so the imported BO has the same mmap_offset as the
original BO.
When the BO is imported into a different GPU, it is a new BO with a
new mmap_offset.
That won't work.
I don't think this is incorrect.
No
Am 2023-01-15 um 11:43 schrieb Christian König:
Am 14.01.23 um 00:15 schrieb Felix Kuehling:
On 2023-01-13 18:00, Chen, Xiaogang wrote:
On 1/13/2023 4:26 PM, Felix Kuehling wrote:
On 2023-01-12 17:41, Chen, Xiaogang wrote:
On 1/11/2023 7:31 PM, Felix Kuehling wrote:
Use proper amdgpu_gem
Am 14.01.23 um 00:15 schrieb Felix Kuehling:
On 2023-01-13 18:00, Chen, Xiaogang wrote:
On 1/13/2023 4:26 PM, Felix Kuehling wrote:
On 2023-01-12 17:41, Chen, Xiaogang wrote:
On 1/11/2023 7:31 PM, Felix Kuehling wrote:
Use proper amdgpu_gem_prime_import function to handle all kinds of
im
On 2023-01-13 18:00, Chen, Xiaogang wrote:
On 1/13/2023 4:26 PM, Felix Kuehling wrote:
On 2023-01-12 17:41, Chen, Xiaogang wrote:
On 1/11/2023 7:31 PM, Felix Kuehling wrote:
Use proper amdgpu_gem_prime_import function to handle all kinds of
imports. Remember the dmabuf reference to enable pr
On 1/13/2023 4:26 PM, Felix Kuehling wrote:
On 2023-01-12 17:41, Chen, Xiaogang wrote:
On 1/11/2023 7:31 PM, Felix Kuehling wrote:
Use proper amdgpu_gem_prime_import function to handle all kinds of
imports. Remember the dmabuf reference to enable proper multi-GPU
attachment to multiple VMs w
On 2023-01-12 17:41, Chen, Xiaogang wrote:
On 1/11/2023 7:31 PM, Felix Kuehling wrote:
Use proper amdgpu_gem_prime_import function to handle all kinds of
imports. Remember the dmabuf reference to enable proper multi-GPU
attachment to multiple VMs without erroneously re-exporting the
underlying
On 1/11/2023 7:31 PM, Felix Kuehling wrote:
Use proper amdgpu_gem_prime_import function to handle all kinds of
imports. Remember the dmabuf reference to enable proper multi-GPU
attachment to multiple VMs without erroneously re-exporting the
underlying BO multiple times.
Signed-off-by: Felix Ku
Use proper amdgpu_gem_prime_import function to handle all kinds of
imports. Remember the dmabuf reference to enable proper multi-GPU
attachment to multiple VMs without erroneously re-exporting the
underlying BO multiple times.
Signed-off-by: Felix Kuehling
---
.../gpu/drm/amd/amdgpu/amdgpu_amdkf
Use proper amdgpu_gem_prime_import function to handle all kinds of
imports. Remember the dmabuf reference to enable proper multi-GPU
attachment to multiple VMs without erroneously re-exporting the
underlying BO multiple times.
Signed-off-by: Felix Kuehling
---
.../gpu/drm/amd/amdgpu/amdgpu_amdkf
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