Commit 2046ed6c authored by Philip Yang's avatar Philip Yang Committed by Alex Deucher
Browse files

drm/amdkfd: SVM range allocation support memory partition 



Pass kfd node->xcp->mem_id to amdgpu bo create parameter mem_id_plus1 to
allocate new svm_bo on the specified memory partition.

This is only for dGPU mode as we don't migrate with APU mode.

Signed-off-by: default avatarPhilip Yang <Philip.Yang@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 53c5692e

drivers/gpu/drm/amd/amdkfd/kfd_svm.c

+7 −3
Original line number Diff line number Diff line
@@ -555,16 +555,20 @@ svm_range_vram_node_new(struct kfd_node *node, struct svm_range *prange, 
	bp.flags |= AMDGPU_GEM_CREATE_DISCARDABLE;

	bp.type = ttm_bo_type_device;

	bp.resv = NULL;

	if (node->xcp)

		bp.mem_id_plus1 = node->xcp->mem_id + 1;



	/* TODO: Allocate memory from the right memory partition. We can sort

	 * out the details later, once basic memory partitioning is working

	 */

	r = amdgpu_bo_create_user(node->adev, &bp, &ubo);

	if (r) {

		pr_debug("failed %d to create bo\n", r);

		goto create_bo_failed;

	}

	bo = &ubo->bo;



	pr_debug("alloc bo at offset 0x%lx size 0x%lx on partition %d\n",

		 bo->tbo.resource->start << PAGE_SHIFT, bp.size,

		 bp.mem_id_plus1 - 1);



	r = amdgpu_bo_reserve(bo, true);

	if (r) {

		pr_debug("failed %d to reserve bo\n", r);