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 A15A6C79F89 for ; Fri, 4 Sep 2026 21:16:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A00510FB63; Fri, 4 Sep 2026 21:16:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="U+/oWGKI"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 91F9910FB48 for ; Fri, 4 Sep 2026 21:16:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788556582; x=1820092582; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=Qw1VpCqW432ZqyqVAVjCeX+7BBk3LBIeKtmhrVTgUvk=; b=U+/oWGKIImAQLoggWUVniLFmorbJKHoKSVtuLh35j/l+e9BqNMwxDBbx iKzWt36uYekC1Jb7AuOi+V+b0drHYJComxxUyM7cSx4ZIxhsoPA8/vjPo 5s3/0YLlrr4+G5qONL1dH/wnTIl38qN2hGL2bd3KWsZ4C1FiF/ecMKGyh PLQM/jemJlvk9/eA4vp/2j7u65DmGm6oLp4erFir0yk2fbxQ6ug15cKOt GgbO3bY2jG5Z4JMyjMTAMTTxG2ST+jGJZ4Em3w9XqOZPS79MXMRh4kmXb R7h+WOIBlVKwa5HyPMt2dveG3xdRnS7L8nswzUA4RHNy1+sntywYzjyl6 Q==; X-CSE-ConnectionGUID: UJxvOdUwSpq0kVENNP3bfg== X-CSE-MsgGUID: hYWQVwOHT1CPqcsWJAP9kg== X-IronPort-AV: E=McAfee;i="6800,10657,11896"; a="89096819" X-IronPort-AV: E=Sophos;i="6.25,262,1779174000"; d="scan'208";a="89096819" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2026 14:16:22 -0700 X-CSE-ConnectionGUID: wRXEf2bNSkiva+yYhyT/rA== X-CSE-MsgGUID: 2KLJAKMiRdmFUDs2io/fyA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,262,1779174000"; d="scan'208";a="267563442" Received: from gsse-cloud1.jf.intel.com ([10.54.39.91]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2026 14:16:22 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v6 22/24] drm/xe: Enter ULLS for migration jobs upon page fault or SVM prefetch Date: Fri, 4 Sep 2026 14:16:11 -0700 Message-Id: <20260904211613.3934307-23-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260904211613.3934307-1-matthew.brost@intel.com> References: <20260904211613.3934307-1-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_migration_ulls_enter upon page fault or SVM prefetch in an effort speed up these critical paths. Signed-off-by: Matthew Brost Link: https://patch.msgid.link/20260228013501.106680-25-matthew.brost@intel.com Signed-off-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 e81ca24df37f..ecf2530f0284 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_svm.h" @@ -262,6 +263,8 @@ 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 ee4d149b7453..c68d3baf1988 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2526,8 +2526,10 @@ 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