linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c, branch v5.6 Linux kernel source tree drm/amdgpu: stop adding VM updates fences to the resv obj 2019-12-09T22:02:15+00:00 Christian König christian.koenig@amd.com 2019-11-29T11:44:07+00:00 90b69cdc5f159be09d799257661e119a26ea4233 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> 
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>
drm/amdgpu: explicitely sync to VM updates v2 2019-12-09T22:02:07+00:00 Christian König christian.koenig@amd.com 2019-11-29T10:33:54+00:00 e095fc17bbd216ccac7fe06132067ae6e91f01c3 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> 
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>
drm/amdgpu: trace if a PD/PT update is done directly 2019-09-16T20:30:32+00:00 Christian König christian.koenig@amd.com 2019-04-03T11:30:56+00:00 1313dacfadc502655942def39079c6a36b3dddb7 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> 
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>
drm/amdgpu: allow direct submission in the VM backends v2 2019-09-16T15:42:55+00:00 Christian König christian.koenig@amd.com 2019-09-16T15:33:28+00:00 47ca7efa4c13f8698cddc0b9c96938e7febe9258 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> 
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>
drm/amdgpu: split the VM entity into direct and delayed 2019-09-16T15:42:55+00:00 Christian König christian.koenig@amd.com 2019-07-19T12:41:12+00:00 a2cf324785a6dea0a221f5cdfb945b59d2153eeb 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> 
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>
drm/amdgpu: switch driver from bo->resv to bo->base.resv 2019-08-06T06:21:54+00:00 Gerd Hoffmann kraxel@redhat.com 2019-08-05T14:01:15+00:00 5a5011a72489545343a1599362e9ec126d7bd297 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 
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
drm/amdgpu: drop the ib from the VM update parameters 2019-03-28T03:40:57+00:00 Christian König christian.koenig@amd.com 2019-03-21T15:43:39+00:00 110aef572afccc8d18c8d1ad6cb027795ec01cda 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> 
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>
drm/amdgpu: move VM table mapping into the backend as well 2019-03-28T03:40:50+00:00 Christian König christian.koenig@amd.com 2019-03-21T15:34:18+00:00 ecf96b52bf98a22f14bd33c7deee0aad8eb6b569 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> 
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>
drm/amdgpu: new VM update backends 2019-03-21T18:59:15+00:00 Christian König christian.koenig@amd.com 2019-03-18T12:16:03+00:00 6dd09027a22ac78f6ab1881aa7e2e21ad61c02b8 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> 
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>