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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E8213C77B6E for ; Tue, 4 Apr 2023 01:42:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB16110E53E; Tue, 4 Apr 2023 01:42:35 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id DC0ED10E2C8 for ; Tue, 4 Apr 2023 01:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680572551; x=1712108551; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WOMoJCeZEXKQU6bzijCs+MHZ1YO9SNx2o5ghfHaY0CU=; b=ALUmXwITyOI81A5wmcQSTW9XBqthOHGrNHbsrkXLVuGsnON0Bc+WSxGZ X98KSThnmumqY+yJVQFGif774Vpq7Jl3Ci6EH5q/T3x6Q3o9xO2huVJrd OPE8UK7lmycSkcD89cmOtIS2ZM0FOXYWjZ44Ke25s/1qfc+5xtahDlWSm 5jse7q8j7AaTpYDpfIcoCHshxL+A5sdidviKRbvcaAWSFNjraEBQg0pi9 fXTDH2s4QIgySWmSdPaDxfmvXraY5zZniYS6hLAxP31P9fHRCXiuNc6gK bWBKl/THe4Bz3Ro6+Q8tbVFSGbm+zvT6B+fZTknTiJm7ksxq6zwXD9glC g==; X-IronPort-AV: E=McAfee;i="6600,9927,10669"; a="322456426" X-IronPort-AV: E=Sophos;i="5.98,316,1673942400"; d="scan'208";a="322456426" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2023 18:42:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10669"; a="755470839" X-IronPort-AV: E=Sophos;i="5.98,316,1673942400"; d="scan'208";a="755470839" Received: from lstrano-desk.jf.intel.com ([10.24.89.184]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2023 18:42:31 -0700 From: Matthew Brost To: Date: Mon, 3 Apr 2023 18:42:27 -0700 Message-Id: <20230404014228.3738347-8-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230404014228.3738347-1-matthew.brost@intel.com> References: <20230404014228.3738347-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-xe] [PATCH v5 7/8] drm/xe: Reduce the number list links in xe_vma X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" 5 list links in can be squashed into a union in xe_vma as being on the various list is mutually exclusive. Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_gt_pagefault.c | 2 +- drivers/gpu/drm/xe/xe_pt.c | 5 +- drivers/gpu/drm/xe/xe_vm.c | 29 ++++++------ drivers/gpu/drm/xe/xe_vm_types.h | 71 +++++++++++++++------------- 4 files changed, 55 insertions(+), 52 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c index cfffe3398fe4..d7bf6b0a0697 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.c +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c @@ -157,7 +157,7 @@ static int handle_pagefault(struct xe_gt *gt, struct pagefault *pf) if (xe_vma_is_userptr(vma) && write_locked) { spin_lock(&vm->userptr.invalidated_lock); - list_del_init(&vma->userptr.invalidate_link); + list_del_init(&vma->invalidate_link); spin_unlock(&vm->userptr.invalidated_lock); ret = xe_vma_userptr_pin_pages(vma); diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c index 43e5a1054411..195eb78e7a31 100644 --- a/drivers/gpu/drm/xe/xe_pt.c +++ b/drivers/gpu/drm/xe/xe_pt.c @@ -1116,8 +1116,7 @@ static int xe_pt_userptr_inject_eagain(struct xe_vma *vma) vma->userptr.divisor = divisor << 1; spin_lock(&vm->userptr.invalidated_lock); - list_move_tail(&vma->userptr.invalidate_link, - &vm->userptr.invalidated); + list_move_tail(&vma->invalidate_link, &vm->userptr.invalidated); spin_unlock(&vm->userptr.invalidated_lock); return true; } @@ -1724,7 +1723,7 @@ __xe_pt_unbind_vma(struct xe_gt *gt, struct xe_vma *vma, struct xe_engine *e, if (!vma->gt_present) { spin_lock(&vm->userptr.invalidated_lock); - list_del_init(&vma->userptr.invalidate_link); + list_del_init(&vma->invalidate_link); spin_unlock(&vm->userptr.invalidated_lock); } up_read(&vm->userptr.notifier_lock); diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index c1e1b443cd2d..bacad720e7ba 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -677,8 +677,7 @@ static bool vma_userptr_invalidate(struct mmu_interval_notifier *mni, if (!xe_vm_in_fault_mode(vm) && !(vma->gpuva.flags & XE_VMA_DESTROYED) && vma->gt_present) { spin_lock(&vm->userptr.invalidated_lock); - list_move_tail(&vma->userptr.invalidate_link, - &vm->userptr.invalidated); + list_move_tail(&vma->invalidate_link, &vm->userptr.invalidated); spin_unlock(&vm->userptr.invalidated_lock); } @@ -726,8 +725,8 @@ int xe_vm_userptr_pin(struct xe_vm *vm) /* Collect invalidated userptrs */ spin_lock(&vm->userptr.invalidated_lock); list_for_each_entry_safe(vma, next, &vm->userptr.invalidated, - userptr.invalidate_link) { - list_del_init(&vma->userptr.invalidate_link); + invalidate_link) { + list_del_init(&vma->invalidate_link); list_move_tail(&vma->userptr_link, &vm->userptr.repin_list); } spin_unlock(&vm->userptr.invalidated_lock); @@ -830,12 +829,11 @@ static struct xe_vma *xe_vma_create(struct xe_vm *vm, return vma; } - /* FIXME: Way to many lists, should be able to reduce this */ + /* + * userptr_link, destroy_link, notifier.rebind_link, + * invalidate_link + */ INIT_LIST_HEAD(&vma->rebind_link); - INIT_LIST_HEAD(&vma->unbind_link); - INIT_LIST_HEAD(&vma->userptr_link); - INIT_LIST_HEAD(&vma->userptr.invalidate_link); - INIT_LIST_HEAD(&vma->notifier.rebind_link); INIT_LIST_HEAD(&vma->extobj.link); INIT_LIST_HEAD(&vma->gpuva.head); @@ -953,15 +951,14 @@ static void xe_vma_destroy(struct xe_vma *vma, struct dma_fence *fence) struct xe_vm *vm = xe_vma_vm(vma); lockdep_assert_held_write(&vm->lock); - XE_BUG_ON(!list_empty(&vma->unbind_link)); if (xe_vma_is_userptr(vma)) { XE_WARN_ON(!(vma->gpuva.flags & XE_VMA_DESTROYED)); spin_lock(&vm->userptr.invalidated_lock); - list_del_init(&vma->userptr.invalidate_link); + if (!list_empty(&vma->invalidate_link)) + list_del_init(&vma->invalidate_link); spin_unlock(&vm->userptr.invalidated_lock); - list_del(&vma->userptr_link); } else if (!xe_vma_is_null(vma)) { xe_bo_assert_held(xe_vma_bo(vma)); drm_gpuva_unlink(&vma->gpuva); @@ -1325,7 +1322,9 @@ void xe_vm_close_and_put(struct xe_vm *vm) continue; } - list_add_tail(&vma->unbind_link, &contested); + if (!list_empty(&vma->destroy_link)) + list_del_init(&vma->destroy_link); + list_add_tail(&vma->destroy_link, &contested); } /* @@ -1353,8 +1352,8 @@ void xe_vm_close_and_put(struct xe_vm *vm) * Since we hold a refcount to the bo, we can remove and free * the members safely without locking. */ - list_for_each_entry_safe(vma, next_vma, &contested, unbind_link) { - list_del_init(&vma->unbind_link); + list_for_each_entry_safe(vma, next_vma, &contested, destroy_link) { + list_del_init(&vma->destroy_link); xe_vma_destroy_unlocked(vma); } diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h index 21c46b71b7d8..a049dfa9450a 100644 --- a/drivers/gpu/drm/xe/xe_vm_types.h +++ b/drivers/gpu/drm/xe/xe_vm_types.h @@ -50,21 +50,32 @@ struct xe_vma { */ u64 gt_present; - /** @userptr_link: link into VM repin list if userptr */ - struct list_head userptr_link; + union { + /** @userptr_link: link into VM repin list if userptr */ + struct list_head userptr_link; - /** - * @rebind_link: link into VM if this VMA needs rebinding, and - * if it's a bo (not userptr) needs validation after a possible - * eviction. Protected by the vm's resv lock. - */ - struct list_head rebind_link; + /** + * @rebind_link: link into VM if this VMA needs rebinding, and + * if it's a bo (not userptr) needs validation after a possible + * eviction. Protected by the vm's resv lock. + */ + struct list_head rebind_link; - /** - * @unbind_link: link or list head if an unbind of multiple VMAs, in - * single unbind op, is being done. - */ - struct list_head unbind_link; + /** @destroy_link: link for contested VMAs on VM close */ + struct list_head destroy_link; + + /** @invalidate_link: Link for the vm::userptr.invalidated list */ + struct list_head invalidate_link; + + struct { + /* + * @notifier.rebind_link: link for + * vm->notifier.rebind_list, protected by + * vm->notifier.list_lock + */ + struct list_head rebind_link; + } notifier; + }; /** @destroy_cb: callback to destroy VMA when unbind job is done */ struct dma_fence_cb destroy_cb; @@ -72,10 +83,22 @@ struct xe_vma { /** @destroy_work: worker to destroy this BO */ struct work_struct destroy_work; + /** @usm: unified shared memory state */ + struct { + /** @gt_invalidated: VMA has been invalidated */ + u64 gt_invalidated; + } usm; + + struct { + /** + * @extobj.link: Link into vm's external object list. + * protected by the vm lock. + */ + struct list_head link; + } extobj; + /** @userptr: user pointer state */ struct { - /** @invalidate_link: Link for the vm::userptr.invalidated list */ - struct list_head invalidate_link; /** * @notifier: MMU notifier for user pointer (invalidation call back) */ @@ -96,24 +119,6 @@ struct xe_vma { u32 divisor; #endif } userptr; - - /** @usm: unified shared memory state */ - struct { - /** @gt_invalidated: VMA has been invalidated */ - u64 gt_invalidated; - } usm; - - struct { - struct list_head rebind_link; - } notifier; - - struct { - /** - * @extobj.link: Link into vm's external object list. - * protected by the vm lock. - */ - struct list_head link; - } extobj; }; struct xe_device; -- 2.34.1