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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
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2018-10-16drm/amdgpu: Fix typo in amdgpu_vmid_mgr_initRex Zhu
fix a typo in for loop: i->j Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-07-05drm/amdgpu: remove duplicated codesFlora Cui
the fence_context and seqno is init in amdgpu_vm_manager_init() & amdgpu_vmid_mgr_init(). remove the amdgpu_vmid_mgr_init() copy. Signed-off-by: Flora Cui <Flora.Cui@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-02-19drm/amdgpu: update the PASID mapping only on demandChristian König
Updating the PASID is rather heavyweight and shouldn't be done all the time. 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>
2018-02-19drm/amdgpu: Fix potential uninitialized use of 'idle' in amdgpu_ids.cHarry Wentland
v2: Use NULL and reverse christmas tree ordering Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-02-19drm/amdgpu: cache the fence to wait for a VMIDChristian König
Beneficial when a lot of processes are waiting for VMIDs. 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>
2018-02-19drm/amdgpu: restructure amdgpu_vmid_grabChristian König
Now that we have the different cases for grabbing a VMID in separate functions, restructure the top level function to only have one place where VMIDs are assigned to jobs. 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>
2018-02-19drm/amdgpu: move reusing VMIDs into separate functionChristian König
Let's try this once more. 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>
2018-02-19drm/amdgpu: cleanup and simplify amdgpu_vmid_grab_reservedChristian König
Drop the "_locked" from the name, cleanup and simplify the logic a bit. Add missing comments. 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>
2018-02-19drm/amdgpu: stop checking GPU reset counter during VMID grabChristian König
We do this later on when we flush the VMID anyway. 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>
2018-02-19drm/amdgpu: make VMID owner none atomic v2Christian König
The variable is protected by the VMID mutex anyway. v2: grab the mutex while resetting the VMID as well 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>
2018-02-19drm/amdgpu: split finding idle VMID into separate functionChristian König
No functional change, but makes it easier to maintain the code. 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>
2018-02-19drm/amdgpu: make VMID assignment more fair v2Christian König
Similar to finding an idle one before reuse. This guarantees fairness between processes. Otherwise process with a reserved VMID have an unfair advantage while scheduling jobs. v2: improve commit message 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>
2018-02-19drm/amdgpu: forward pasid to backend flush implementationsChristian König
rd the pasid from the VM code to the emit_vm_flush function and update all implementations with the new parameter. 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>
2018-02-19drm/amdgpu: trace allocated PASIDsChristian König
Trace all allocated PASIDs. 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>
2018-02-19drm/amdgpu: add amdgpu_pasid_free_delayed v2Christian König
Free up a pasid after all fences signaled. v2: also handle the case when we can't allocate a fence array. 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>
2018-02-19drm/amdgpu: fix semicolon.cocci warningsFengguang Wu
drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c:281:2-3: Unneeded semicolon Remove unneeded semicolon. Generated by: scripts/coccinelle/misc/semicolon.cocci Fixes: 620f774f4687 ("drm/amdgpu: separate VMID and PASID handling") CC: Christian König <christian.koenig@amd.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-12-27drm/amdgpu: drop client_id from VMChristian König
Use the fence context from the scheduler entity. 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>
2017-12-27drm/amdgpu: rename vm_id to vmidChristian König
sed -i "s/vm_id/vmid/g" drivers/gpu/drm/amd/amdgpu/*.c sed -i "s/vm_id/vmid/g" drivers/gpu/drm/amd/amdgpu/*.h 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>
2017-12-27drm/amdgpu: separate VMID and PASID handlingChristian König
Move both into the new files amdgpu_ids.[ch]. No functional change. 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>