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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Do AQL queue double-mapping with a single attach call. That will make it easier to create per-GPU BOs later, to be shared between the two BO VA mappings on the same GPU. Freeing the attachments is not necessary if map_to_gpu fails. These will be cleaned up when the kdg_mem object is destroyed in amdgpu_amdkfd_gpuvm_free_memory_of_gpu. Signed-off-by: Felix Kuehling --- .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 103 ++++++++---------- 1 file changed, 48 insertions(+), 55 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 34c9a2d0028e..fbd7e786b54e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -486,70 +486,76 @@ static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem) * 4a. Validate new page tables and directories */ static int kfd_mem_attach(struct amdgpu_device *adev, struct kgd_mem *mem, - struct amdgpu_vm *vm, bool is_aql, - struct kfd_mem_attachment **p_attachment) + struct amdgpu_vm *vm, bool is_aql) { unsigned long bo_size = mem->bo->tbo.base.size; uint64_t va = mem->va; - struct kfd_mem_attachment *attachment; - struct amdgpu_bo *bo; - int ret; + struct kfd_mem_attachment *attachment[2] = {NULL, NULL}; + struct amdgpu_bo *bo[2] = {NULL, NULL}; + int i, ret; if (!va) { pr_err("Invalid VA when adding BO to VM\n"); return -EINVAL; } - if (is_aql) - va += bo_size; - - attachment = kzalloc(sizeof(*attachment), GFP_KERNEL); - if (!attachment) - return -ENOMEM; + for (i = 0; i <= is_aql; i++) { + attachment[i] = kzalloc(sizeof(*attachment[i]), GFP_KERNEL); + if (unlikely(!attachment[i])) { + ret = -ENOMEM; + goto unwind; + } - pr_debug("\t add VA 0x%llx - 0x%llx to vm %p\n", va, - va + bo_size, vm); + pr_debug("\t add VA 0x%llx - 0x%llx to vm %p\n", va, + va + bo_size, vm); - /* FIXME: For now all attachments use the same BO. This is incorrect - * because one BO can only have one DMA mapping for one GPU. We need - * one BO per GPU, e.g. a DMABuf import with dynamic attachment. This - * will be addressed one BO-type at a time in subsequent patches. - */ - bo = mem->bo; - drm_gem_object_get(&bo->tbo.base); + /* FIXME: For now all attachments use the same BO. This is + * incorrect because one BO can only have one DMA mapping + * for one GPU. We need one BO per GPU, e.g. a DMABuf + * import with dynamic attachment. This will be addressed + * one BO-type at a time in subsequent patches. + */ + bo[i] = mem->bo; + drm_gem_object_get(&bo[i]->tbo.base); - /* Add BO to VM internal data structures*/ - attachment->bo_va = amdgpu_vm_bo_add(adev, vm, bo); - if (!attachment->bo_va) { - ret = -EINVAL; - pr_err("Failed to add BO object to VM. ret == %d\n", - ret); - goto err_vmadd; - } + /* Add BO to VM internal data structures */ + attachment[i]->bo_va = amdgpu_vm_bo_add(adev, vm, bo[i]); + if (unlikely(!attachment[i]->bo_va)) { + ret = -ENOMEM; + pr_err("Failed to add BO object to VM. ret == %d\n", + ret); + goto unwind; + } - attachment->va = va; - attachment->pte_flags = get_pte_flags(adev, mem); - attachment->adev = adev; - list_add(&attachment->list, &mem->attachments); + attachment[i]->va = va; + attachment[i]->pte_flags = get_pte_flags(adev, mem); + attachment[i]->adev = adev; + list_add(&attachment[i]->list, &mem->attachments); - if (p_attachment) - *p_attachment = attachment; + va += bo_size; + } /* Allocate validate page tables if needed */ ret = vm_validate_pt_pd_bos(vm); if (unlikely(ret)) { pr_err("validate_pt_pd_bos() failed\n"); - goto err_alloc_pts; + goto unwind; } return 0; -err_alloc_pts: - amdgpu_vm_bo_rmv(adev, attachment->bo_va); - list_del(&attachment->list); -err_vmadd: - drm_gem_object_put(&bo->tbo.base); - kfree(attachment); +unwind: + for (; i >= 0; i--) { + if (!attachment[i]) + continue; + if (attachment[i]->bo_va) { + amdgpu_vm_bo_rmv(adev, attachment[i]->bo_va); + list_del(&attachment[i]->list); + } + if (bo[i]) + drm_gem_object_put(&bo[i]->tbo.base); + kfree(attachment[i]); + } return ret; } @@ -1382,8 +1388,6 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( uint32_t domain; struct kfd_mem_attachment *entry; struct bo_vm_reservation_context ctx; - struct kfd_mem_attachment *attachment = NULL; - struct kfd_mem_attachment *attachment_aql = NULL; unsigned long bo_size; bool is_invalid_userptr = false; @@ -1433,15 +1437,9 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( is_invalid_userptr = true; if (!kfd_mem_is_attached(avm, mem)) { - ret = kfd_mem_attach(adev, mem, avm, false, &attachment); + ret = kfd_mem_attach(adev, mem, avm, mem->aql_queue); if (ret) goto attach_failed; - if (mem->aql_queue) { - ret = kfd_mem_attach(adev, mem, avm, true, - &attachment_aql); - if (ret) - goto attach_failed_aql; - } } else { ret = vm_validate_pt_pd_bos(avm); if (unlikely(ret)) @@ -1496,11 +1494,6 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( goto out; map_bo_to_gpuvm_failed: - if (attachment_aql) - kfd_mem_detach(attachment_aql); -attach_failed_aql: - if (attachment) - kfd_mem_detach(attachment); attach_failed: unreserve_bo_and_vms(&ctx, false, false); out: -- 2.31.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2877C43462 for ; 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Thu, 22 Apr 2021 01:31:16 +0000 From: Felix Kuehling To: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH v2 04/10] drm/amdgpu: Simplify AQL queue mapping Date: Wed, 21 Apr 2021 21:30:52 -0400 Message-Id: <20210422013058.6305-5-Felix.Kuehling@amd.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210422013058.6305-1-Felix.Kuehling@amd.com> References: <20210422013058.6305-1-Felix.Kuehling@amd.com> X-Originating-IP: [165.204.55.251] X-ClientProxiedBy: YT1PR01CA0027.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01::40) To BL0PR12MB4948.namprd12.prod.outlook.com (2603:10b6:208:1cc::20) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from Harpoon.amd.com (165.204.55.251) by YT1PR01CA0027.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01::40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.21 via Frontend Transport; Thu, 22 Apr 2021 01:31:16 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a9a9e45f-eebd-4c6d-9bde-08d9052e52bd X-MS-TrafficTypeDiagnostic: MN2PR12MB4438: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Do AQL queue double-mapping with a single attach call. That will make it easier to create per-GPU BOs later, to be shared between the two BO VA mappings on the same GPU. Freeing the attachments is not necessary if map_to_gpu fails. These will be cleaned up when the kdg_mem object is destroyed in amdgpu_amdkfd_gpuvm_free_memory_of_gpu. Signed-off-by: Felix Kuehling --- .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 103 ++++++++---------- 1 file changed, 48 insertions(+), 55 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 34c9a2d0028e..fbd7e786b54e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -486,70 +486,76 @@ static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem) * 4a. Validate new page tables and directories */ static int kfd_mem_attach(struct amdgpu_device *adev, struct kgd_mem *mem, - struct amdgpu_vm *vm, bool is_aql, - struct kfd_mem_attachment **p_attachment) + struct amdgpu_vm *vm, bool is_aql) { unsigned long bo_size = mem->bo->tbo.base.size; uint64_t va = mem->va; - struct kfd_mem_attachment *attachment; - struct amdgpu_bo *bo; - int ret; + struct kfd_mem_attachment *attachment[2] = {NULL, NULL}; + struct amdgpu_bo *bo[2] = {NULL, NULL}; + int i, ret; if (!va) { pr_err("Invalid VA when adding BO to VM\n"); return -EINVAL; } - if (is_aql) - va += bo_size; - - attachment = kzalloc(sizeof(*attachment), GFP_KERNEL); - if (!attachment) - return -ENOMEM; + for (i = 0; i <= is_aql; i++) { + attachment[i] = kzalloc(sizeof(*attachment[i]), GFP_KERNEL); + if (unlikely(!attachment[i])) { + ret = -ENOMEM; + goto unwind; + } - pr_debug("\t add VA 0x%llx - 0x%llx to vm %p\n", va, - va + bo_size, vm); + pr_debug("\t add VA 0x%llx - 0x%llx to vm %p\n", va, + va + bo_size, vm); - /* FIXME: For now all attachments use the same BO. This is incorrect - * because one BO can only have one DMA mapping for one GPU. We need - * one BO per GPU, e.g. a DMABuf import with dynamic attachment. This - * will be addressed one BO-type at a time in subsequent patches. - */ - bo = mem->bo; - drm_gem_object_get(&bo->tbo.base); + /* FIXME: For now all attachments use the same BO. This is + * incorrect because one BO can only have one DMA mapping + * for one GPU. We need one BO per GPU, e.g. a DMABuf + * import with dynamic attachment. This will be addressed + * one BO-type at a time in subsequent patches. + */ + bo[i] = mem->bo; + drm_gem_object_get(&bo[i]->tbo.base); - /* Add BO to VM internal data structures*/ - attachment->bo_va = amdgpu_vm_bo_add(adev, vm, bo); - if (!attachment->bo_va) { - ret = -EINVAL; - pr_err("Failed to add BO object to VM. ret == %d\n", - ret); - goto err_vmadd; - } + /* Add BO to VM internal data structures */ + attachment[i]->bo_va = amdgpu_vm_bo_add(adev, vm, bo[i]); + if (unlikely(!attachment[i]->bo_va)) { + ret = -ENOMEM; + pr_err("Failed to add BO object to VM. ret == %d\n", + ret); + goto unwind; + } - attachment->va = va; - attachment->pte_flags = get_pte_flags(adev, mem); - attachment->adev = adev; - list_add(&attachment->list, &mem->attachments); + attachment[i]->va = va; + attachment[i]->pte_flags = get_pte_flags(adev, mem); + attachment[i]->adev = adev; + list_add(&attachment[i]->list, &mem->attachments); - if (p_attachment) - *p_attachment = attachment; + va += bo_size; + } /* Allocate validate page tables if needed */ ret = vm_validate_pt_pd_bos(vm); if (unlikely(ret)) { pr_err("validate_pt_pd_bos() failed\n"); - goto err_alloc_pts; + goto unwind; } return 0; -err_alloc_pts: - amdgpu_vm_bo_rmv(adev, attachment->bo_va); - list_del(&attachment->list); -err_vmadd: - drm_gem_object_put(&bo->tbo.base); - kfree(attachment); +unwind: + for (; i >= 0; i--) { + if (!attachment[i]) + continue; + if (attachment[i]->bo_va) { + amdgpu_vm_bo_rmv(adev, attachment[i]->bo_va); + list_del(&attachment[i]->list); + } + if (bo[i]) + drm_gem_object_put(&bo[i]->tbo.base); + kfree(attachment[i]); + } return ret; } @@ -1382,8 +1388,6 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( uint32_t domain; struct kfd_mem_attachment *entry; struct bo_vm_reservation_context ctx; - struct kfd_mem_attachment *attachment = NULL; - struct kfd_mem_attachment *attachment_aql = NULL; unsigned long bo_size; bool is_invalid_userptr = false; @@ -1433,15 +1437,9 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( is_invalid_userptr = true; if (!kfd_mem_is_attached(avm, mem)) { - ret = kfd_mem_attach(adev, mem, avm, false, &attachment); + ret = kfd_mem_attach(adev, mem, avm, mem->aql_queue); if (ret) goto attach_failed; - if (mem->aql_queue) { - ret = kfd_mem_attach(adev, mem, avm, true, - &attachment_aql); - if (ret) - goto attach_failed_aql; - } } else { ret = vm_validate_pt_pd_bos(avm); if (unlikely(ret)) @@ -1496,11 +1494,6 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( goto out; map_bo_to_gpuvm_failed: - if (attachment_aql) - kfd_mem_detach(attachment_aql); -attach_failed_aql: - if (attachment) - kfd_mem_detach(attachment); attach_failed: unreserve_bo_and_vms(&ctx, false, false); out: -- 2.31.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx