From dcb388eddb5f1bbc817d0e9ba341908b0a201ff2 Mon Sep 17 00:00:00 2001 From: Nirmoy Das Date: Mon, 28 Jun 2021 23:29:39 +0200 Subject: drm/amdgpu: use xarray for storing pasid in vm MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Acked-by: Felix Kuehling Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index ddb85a85cbba..bcbe362e7d5b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -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); -- cgit v1.2.3-70-g09d2