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 32604C98338 for ; Fri, 25 Sep 2026 20:16:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D541810FC77; Fri, 25 Sep 2026 20:16:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="BxNrIawN"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 662C110FC48 for ; Fri, 25 Sep 2026 20:15:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790367334; x=1821903334; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iFqNVabzC3eQmzdZ+ccIpR0dPcaXmbUDmMa8tJeHT0I=; b=BxNrIawNh671dWRFcu+MObQS8Zx2gIJ2b3VygEq04YZ71/qYqTO8IxGZ JBNvuV18SPMD9uburXDYKP2r7VX0/0nPdbI0AD6rVUsSPWFb/GzHO3Ms+ eRyPKarnKOCRzDh9BX1UwYPjkmB7bMjx/FThq1KAQbF3c30ig6uph9amG 295XTE35bz/4oXw0bjlf628GOKDHqpBlRJ6v6DhRcQk7ePjZp2ay/q69b 2fpCcBlRO7s/j1Gi6vQd7VuOIuhs0Ff1vt57jgoFItUvsreLwIurOqG5D vbAJTB30p76ChtaxlhrSTDqR5YdonzCuEOnWVYQ/RWY8B3d/lRTHlGqjv w==; X-CSE-ConnectionGUID: xq9UMiiRTFOnHP2hOaQjAA== X-CSE-MsgGUID: JqHDEqExTwe13JQ0QgVYyw== X-IronPort-AV: E=McAfee;i="6800,10657,11916"; a="90377976" X-IronPort-AV: E=Sophos;i="6.27,123,1787036400"; d="scan'208";a="90377976" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Sep 2026 13:15:32 -0700 X-CSE-ConnectionGUID: TVeAJRgxTMCCA2XmvA1Ang== X-CSE-MsgGUID: T5Is/P4rTQaE1BtsfbuHmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,123,1787036400"; d="scan'208";a="274509902" Received: from gsse-cloud1.jf.intel.com ([10.54.39.91]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Sep 2026 13:15:32 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Cc: Shuicheng Lin , Himal Prasad Ghimiray , Maarten Lankhorst Subject: [PATCH v8 22/24] drm/xe: Enter ULLS for migration jobs upon page fault or SVM prefetch Date: Fri, 25 Sep 2026 13:15:24 -0700 Message-Id: <20260925201526.1355279-23-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260925201526.1355279-1-matthew.brost@intel.com> References: <20260925201526.1355279-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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" Call xe_migrate_ulls_enter upon page fault or SVM prefetch in an effort speed up these critical paths. Signed-off-by: Matthew Brost Reviewed-by: Shuicheng Lin Reviewed-by: Himal Prasad Ghimiray Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/xe/xe_pagefault.c | 3 +++ drivers/gpu/drm/xe/xe_vm.c | 4 +++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_pagefault.c b/drivers/gpu/drm/xe/xe_pagefault.c index f9e5bd41cfd1..f219e9e3b73e 100644 --- a/drivers/gpu/drm/xe/xe_pagefault.c +++ b/drivers/gpu/drm/xe/xe_pagefault.c @@ -15,6 +15,7 @@ #include "xe_gt_stats.h" #include "xe_hw_engine.h" #include "xe_log.h" +#include "xe_migrate.h" #include "xe_pagefault.h" #include "xe_pagefault_types.h" #include "xe_pm.h" @@ -281,6 +282,8 @@ static int xe_pagefault_service(struct xe_pagefault *pf) if (IS_ERR(vm)) return PTR_ERR(vm); + xe_migrate_ulls_enter(gt_to_tile(gt)->migrate); + down_read(&vm->lock); if (xe_vm_is_closed(vm)) { diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index f66bd1de2b70..425c678f4480 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2528,8 +2528,10 @@ vm_bind_ioctl_ops_create(struct xe_vm *vm, struct xe_vma_ops *vops, ctx.devmem_possible = IS_DGFX(vm->xe) && IS_ENABLED(CONFIG_DRM_XE_PAGEMAP); - for_each_tile(tile, vm->xe, id) + for_each_tile(tile, vm->xe, id) { + xe_migrate_ulls_enter(tile->migrate); tile_mask |= 0x1 << id; + } if (prefetch_region == DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC) { dpagemap = xe_vma_resolve_pagemap(vma, -- 2.34.1