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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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2016-07-07drm/amdgpu: Initialize the variables in a straight-forward wayAlex Xie
Initialize the variable in a straight-forward way instead of hiding the initialization inside the loop. This can also reduce one function call. Signed-off-by: Alex Xie <AlexBin.Xie@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: Add comment to describe the purpose of one difficult if statementAlex Xie
Use == instead of != in the if statement to make code easier understood Signed-off-by: Alex Xie <AlexBin.Xie@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: Change some variable names to make code easier understoodAlex Xie
Add comment to describe some variables otherwise. Signed-off-by: Alex Xie <AlexBin.Xie@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: remove now unnecessary checksChristian König
vm_flush() now comes directly after vm_grab_id(). Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: use a fence array for VMID managementChristian König
Just wait for any fence to become available, instead of waiting for the last entry of the LRU. Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: reuse VMIDs assigned to a VM only if there is also a free oneChristian König
This fixes a fairness problem with the GPU scheduler. VM having lot of jobs could previously starve VM with less jobs. Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: prefer VMIDs idle on the current ringChristian König
Prefer to use a VMIDs which are idle on the ring we want to submit to. This also removes bubbling idle VMIDs up on the LRU, which is actually not beneficial. Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: add optional ring to amdgpu_sync_is_idleChristian König
Check if the sync object is idle depending on the ring a submission works with. Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: Encapsulate some VM table update parameters (v2)Harish Kasiviswanathan
Bundle some VM table parameters into amdgpu_vm_update_params structure, so that number of function parameters can be reduced. Only structural change, no logic change. v2: agd: squash in fix from Harish Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: remove define for reserved client IDChristian König
Just set it to zero instead. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: remove owner cleanup v2Christian König
The client ID is now unique, so no need to resert the owner fields any more. v2: remove unused variables as well Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1) Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: make the VMID owner always 64bitChristian König
Otherwise we could (in theory) run into problems on 32bit systems. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: add pipeline sync for compute jobChunming Zhou
hardware ring is async processed, the job is executed in parallel. In some case, this will result vm fault, like jobs with different vmids. This works around a CPC hw issue which will eventually be fixed in fw. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Monk Liu <monk.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: keep vm in job instead of ib (v2)Monk Liu
ib.vm is a legacy way to get vm, after scheduler implemented vm should be get from job, and all ibs from one job share the same vm, no need to keep ib.vm just move vm field to job. this patch as well add job as paramter to ib_schedule so it can get vm from job->vm. v2: agd: sqaush in: drm/amdgpu: check if ring emit_vm_flush exists in vm flush No vm flush on engines that don't support VM. bug: https://bugs.freedesktop.org/show_bug.cgi?id=95195 Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: make vmid owner be client_idChunming Zhou
Using the pointer is not adequate. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Monk Liu <monk.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: add client id for every vmChunming Zhou
This adds a unique id for each vm client so we can properly track them. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Monk Liu <monk.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amdgpu: fix wrong release of vmid ownerChunming Zhou
The release of the vmid owner was not handled correctly. We need to take the lock and walk the lru list. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Monk Liu <monk.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amdgpu: fix error checking when reuse vmid on same ringChunming Zhou
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amdgpu: only update last_flush when vmid doesn't have other new ownerChunming Zhou
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amdgpu: reuse VMIDs already assigned to a processChristian König
If we don't need to flush we can easily use another VMID already assigned to the process. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amdgpu: add a fence after the VM flushChristian König
This way we can track when the flush is done. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amdgpu: use a sync object for VMID fences v2Christian König
v2: rebase & cleanup This way we can store more than one fence as user for each VMID. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> (v1) Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1) Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amdgpu: merge VM manager and VM context ID structureChristian König
No need to have two of them any more. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-02drm/amdgpu: use BO pages instead of GART arrayChristian König
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>
2016-05-02drm/amdgpu: change parameter passing in the VM codeChristian König
Make it more flexible by passing src and page addresses directly instead of the structures they contain. 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>
2016-05-02drm/amdgpu: improve vmid assigment V2Chunming Zhou
V2: the signaled items on the LRU maintain their order Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-09drm/amdgpu: Revert "add mutex for ba_va->valids/invalids"Christian König
Not needed any more because we need to protect the elements on the list anyway. This reverts commit 38bf516c75b4ef0f5c716e05fa9baab7c52d6c39. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-09drm/amdgpu: Revert "add lock for interval tree in vm"Christian König
Not needed any more because we need to protect the elements on the list anyway. This reverts commit fe237ed7efec8ac147a4572fdf81173a7f8ddda7. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-09drm/amdgpu: Revert "add spin lock to protect freed list in vm (v3)"Christian König
Not needed any more because we need to protect the elements on the list anyway. This reverts commit dae6ecf9e6c9b677e577826c3ac665c6dd9c490b. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-09drm/amdgpu: Fix two bugs in amdgpu_vm_bo_split_mappingFelix Kuehling
Off-by-one: last is inclusive, so the maximum is start + max_size - 1 Wrong unit: addr is in bytes, max_size is in pages Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-08drm/amdgpu: move get_user_pages out of amdgpu_ttm_tt_pin_userptr v6Christian König
That avoids lock inversion between the BO reservation lock and the anon_vma lock. v2: * Changed amdgpu_bo_list_entry.user_pages to an array of pointers * Lock mmap_sem only for get_user_pages * Added invalidation of unbound userpointer BOs * Fixed memory leak and page reference leak v3 (chk): * Revert locking mmap_sem only for_get user_pages * Revert adding invalidation of unbound userpointer BOs * Sanitize and fix error handling v4 (chk): * Init userpages pointer everywhere. * Fix error handling when get_user_pages() fails. * Add invalidation of unbound userpointer BOs again. v5 (chk): * Add maximum number of tries. v6 (chk): * Fix error handling when we run out of tries. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> (v4) Acked-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-08drm/amdgpu: if a GDS switch is needed emit a pipeline sync as wellChristian König
Otherwise we might change the GDS settings while they are still in use. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
2016-03-08drm/amdgpu: split pipeline sync and vm flushChristian König
This allows us to use the pipeline sync for other tasks as well. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
2016-03-08drm/amdgpu: switch the GDS only on demand v2Christian König
Switching the GDS space to often seems to be problematic. This patch together with the following can avoid VM faults on context switch. v2: extend commit message a bit Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1) Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
2016-03-08drm/amdgpu: move the GDS switch into vm flush as wellChristian König
After all it's an operation on the VMID. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
2016-03-08drm/amdgpu: sync to the active user on reusing a VMIDChristian König
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-29drm/amdgpu: trace the pd_addr in vm_grab_id as wellChristian König
Makes matching it to the flushes much easier. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-29drm/amdgpu: fix VM faults caused by vm_grab_id() v4Christian König
The owner must be per ring as long as we don't support sharing VMIDs per process. Also move the assigned VMID and page directory address into the IB structure. v3: assign the VMID to all IBs, not just the first one. v4: use correct pointer for owner Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-12drm/amdgpu: use SDMA round robin for VM updates v3Christian König
Distribute the load on both rings. v2: use a loop for the initialization v3: agd: rebase on upstream Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-12drm/amdgpu: use per VM entity for page table updates (v2)Christian König
Updates from different VMs can be processed independently. v2: agd: rebase on upstream Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: move sync into job objectChristian König
No need to keep that for every IB. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: cleanup in kernel job submissionChristian König
Add a job_alloc_with_ib helper and proper job submission. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: move ring from IBs into jobChristian König
We can't submit to multiple rings at the same time anyway. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: make pad_ib a ring function v3Christian König
The padding depends on the firmware version and we need that for BO moves as well, not only for VM updates. v2: new approach of making pad_ib a ring function v3: fix typo in macro name Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: fix size estimation for clear IBChristian König
We only need a few dw here. 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>
2016-02-10drm/amdgpu: optimize amdgpu_vm_update_ptes a bitChristian König
Don't calculate the end address multiple times. 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>
2016-02-10drm/amdgpu: cleanup comments in VM codeChristian König
Neither the global nor the local mutex exists any more and amdgpu doesn't support cayman. 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>
2016-02-10drm/amdgpu: optimize VM fencingChristian König
No need to fence every page table, just the page directory is enough. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-10drm/amdgpu: split VM mappings into smaller operations (v3)Christian König
If we can't copy entries from the GTT or fill them with one command split up the mapping operation into multiple ones. v2: agd: rebase on upstream v3: squash in Christian's fix 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>
2016-02-10drm/amdgpu: use BOs GART instance for mapping addresses v4Christian König
That allows the VM code to use GART BOs from other driver instances. v2: don't use copy optimization for foreign GARTs, that won't work. v3: some more comment cleanups v4: agd: rebase on upstream 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>
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