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 2B13DC9832C for ; Fri, 25 Sep 2026 04:53:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 87D1B10F85B; Fri, 25 Sep 2026 04:53:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jVfO61F/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 698D310F83E for ; Fri, 25 Sep 2026 04:53:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790312012; x=1821848012; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wfh3y2tvGd18vxGCYPlK9iNLzMDjVMS4/EXCfREDsXE=; b=jVfO61F/Nx6hlZLKE/ZgT4zMnSlnjDAgrkQDo8IKFLVPoYEuhdD7FwaA vhxf0EbPdVUdeH3V2AzhAzyyjUMxia1+ea7YBBZmBWP4nL5cJP+8d5hl5 dZLQxOdB9ieplWWwU9vyDH2k7w3yP7dZoXe2FMX03t/4Cn9hg86rTw4hg Xud/hJELu6aAC9/TTHHu7C8VdASLKrVRz4nYCBwQ1YbB2/34vbMiv4AAK 988JdpoQcy2MwF/E4nm/aJpzxQjs5ou8shEF2pt4dWIfTA00UwivnaM3W 0AdWaX91FmGOVu8DPYF/1VQTxBJ+lfGImOL6oBfa524Hg2slCK1H0dyGm g==; X-CSE-ConnectionGUID: Yt5L1lR8Q5eYeMf3dhlW9w== X-CSE-MsgGUID: BqxjjaEAS2eHC+mVxlNoeA== X-IronPort-AV: E=McAfee;i="6800,10657,11915"; a="90156236" X-IronPort-AV: E=Sophos;i="6.27,121,1787036400"; d="scan'208";a="90156236" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2026 21:53:28 -0700 X-CSE-ConnectionGUID: fwt2KPFYQ9CrONwpxAv0Ow== X-CSE-MsgGUID: uB1bn+JlRhmnkC6CF2/1Rg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,121,1787036400"; d="scan'208";a="312155552" Received: from gsse-cloud1.jf.intel.com ([10.54.39.91]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2026 21:53:27 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Cc: Shuicheng Lin , Himal Prasad Ghimiray Subject: [PATCH v7 22/24] drm/xe: Enter ULLS for migration jobs upon page fault or SVM prefetch Date: Thu, 24 Sep 2026 21:53:18 -0700 Message-Id: <20260925045320.1325860-23-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260925045320.1325860-1-matthew.brost@intel.com> References: <20260925045320.1325860-1-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 --- v7: - s/migration/migrate (Shuicheng) --- 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