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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
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2019-12-09drm/amdgpu: stop adding VM updates fences to the resv objChristian König
Don't add the VM update fences to the resv object and remove the handling to stop implicitely syncing to them. Ongoing updates prevent page tables from being evicted and we manually block for all updates to complete before releasing PDs and PTS. This way we can do updates even without the resv obj locked. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-12-09drm/amdgpu: explicitely sync to VM updates v2Christian König
Allows us to reduce the overhead while syncing to fences a bit. v2: also drop adev parameter from the functions Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-09-16drm/amdgpu: trace if a PD/PT update is done directlyChristian König
This is usfull for debugging. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-09-16drm/amdgpu: allow direct submission in the VM backends v2Christian König
This allows us to update page tables directly while in a page fault. v2: use direct/delayed entities and still wait for moves Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-09-16drm/amdgpu: split the VM entity into direct and delayedChristian König
For page fault handling we need to use a direct update which can't be blocked by ongoing user CS. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-08-06drm/amdgpu: switch driver from bo->resv to bo->base.resvGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-14-kraxel@redhat.com
2019-03-27drm/amdgpu: drop the ib from the VM update parametersChristian König
It is redundant with the job pointer. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-03-27drm/amdgpu: move VM table mapping into the backend as wellChristian König
Clean that up further and also fix another case where the BO wasn't kmapped for CPU based updates. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-03-21drm/amdgpu: new VM update backendsChristian König
Separate out all functions for SDMA and CPU based page table updates into separate backends. This way we can keep most of the complexity of those from the core VM code. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>