Commit f43ef951 authored by Alex Sierra's avatar Alex Sierra Committed by Alex Deucher
Browse files

drm/amdgpu: add flag to indicate amdgpu vm context 



Flag added to indicate if the amdgpu vm context is used for compute or
graphics.

Signed-off-by: default avatarAlex Sierra <alex.sierra@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 72f058b7

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+3 −0
Original line number Diff line number Diff line
@@ -2708,6 +2708,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, 
		goto error_free_direct;



	vm->pte_support_ats = false;

	vm->is_compute_context = false;



	if (vm_context == AMDGPU_VM_CONTEXT_COMPUTE) {

		vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
@@ -2893,6 +2894,7 @@ int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm, 
		vm->update_funcs = &amdgpu_vm_sdma_funcs;

	dma_fence_put(vm->last_update);

	vm->last_update = NULL;

	vm->is_compute_context = true;



	if (vm->pasid) {

		unsigned long flags;
@@ -2947,6 +2949,7 @@ void amdgpu_vm_release_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) 
		spin_unlock_irqrestore(&adev->vm_manager.pasid_lock, flags);

	}

	vm->pasid = 0;

	vm->is_compute_context = false;

}



/**

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

+2 −0
Original line number Diff line number Diff line
@@ -298,6 +298,8 @@ struct amdgpu_vm { 
	struct ttm_lru_bulk_move lru_bulk_move;

	/* mark whether can do the bulk move */

	bool			bulk_moveable;

	/* Flag to indicate if VM is used for compute */

	bool			is_compute_context;

};



struct amdgpu_vm_manager {

CRA Git | Maintained and supported by SUSTech CRA and CCSE