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authorChristian König <christian.koenig@amd.com>2018-07-27 17:56:34 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-08-01 00:58:17 +0300
commit8ab19ea619aeed8ca4a36c124e8edfd9b9491aba (patch)
treef501dc6ad07b6c642e883a9fbbbc639d204f32c0 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
parent0cb7c1f03bfb3991120313c5927c1749041ef800 (diff)
downloadlinux-8ab19ea619aeed8ca4a36c124e8edfd9b9491aba.tar.xz
drm/amdgpu: add new amdgpu_vm_bo_trace_cs() function v2
This allows us to trace all VM ranges which should be valid inside a CS. v2: dump mappings without BO as well Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-and-tested-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> (v1) Reviewed-by: Huang Rui <ray.huang@amd.com> (v1) Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 5d7d7900ccab..015613b4f98b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2344,6 +2344,35 @@ struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm,
}
/**
+ * amdgpu_vm_bo_trace_cs - trace all reserved mappings
+ *
+ * @vm: the requested vm
+ * @ticket: CS ticket
+ *
+ * Trace all mappings of BOs reserved during a command submission.
+ */
+void amdgpu_vm_bo_trace_cs(struct amdgpu_vm *vm, struct ww_acquire_ctx *ticket)
+{
+ struct amdgpu_bo_va_mapping *mapping;
+
+ if (!trace_amdgpu_vm_bo_cs_enabled())
+ return;
+
+ for (mapping = amdgpu_vm_it_iter_first(&vm->va, 0, U64_MAX); mapping;
+ mapping = amdgpu_vm_it_iter_next(mapping, 0, U64_MAX)) {
+ if (mapping->bo_va && mapping->bo_va->base.bo) {
+ struct amdgpu_bo *bo;
+
+ bo = mapping->bo_va->base.bo;
+ if (READ_ONCE(bo->tbo.resv->lock.ctx) != ticket)
+ continue;
+ }
+
+ trace_amdgpu_vm_bo_cs(mapping);
+ }
+}
+
+/**
* amdgpu_vm_bo_rmv - remove a bo to a specific vm
*
* @adev: amdgpu_device pointer