drm/amdgpu: use xarray for storing pasid in vm

Replace idr with xarray as we actually need hash functionality.
Cleanup code related to vm pasid by adding helper function.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das
2021-06-28 23:29:39 +02:00
committed by Alex Deucher
parent 36f5f9d37e
commit dcb388eddb
2 changed files with 73 additions and 82 deletions

View File

@@ -359,8 +359,7 @@ struct amdgpu_vm_manager {
/* PASID to VM mapping, will be used in interrupt context to
* look up VM of a page fault
*/
struct idr pasid_idr;
spinlock_t pasid_lock;
struct xarray pasids;
};
struct amdgpu_bo_va_mapping;
@@ -375,6 +374,9 @@ extern const struct amdgpu_vm_update_funcs amdgpu_vm_sdma_funcs;
void amdgpu_vm_manager_init(struct amdgpu_device *adev);
void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
int amdgpu_vm_set_pasid(struct amdgpu_device *adev, struct amdgpu_vm *vm,
u32 pasid);
long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout);
int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, u32 pasid);
int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm, u32 pasid);