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 DD2DECCFA02 for ; Fri, 31 Oct 2025 16:55:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9C50F10EBF9; Fri, 31 Oct 2025 16:55:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="eFnLNMa2"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id D047D10EBF5 for ; Fri, 31 Oct 2025 16:55:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761929703; x=1793465703; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=eQd4QsYXsazbq9mDIzCbGA4JWInsikK02lVUgN+piLQ=; b=eFnLNMa2VZ1d97Mbo1Cy7Eo5aeBP8HvSnbfcXz5BPfKySnTgxLInXfRp r0YTeT5QVJg2QnL1Drhahp8fs+If8eFT9Jp2kLd/L7mk7BK/lH58mW08W qYx4rOoJrXuBr0zC9zviY7YpZyxDMRGaMQT2zr0LWFM85aMDK5RiH8rgM Pu1H3Z411eiFJwLedbpdE8PyFrbEoEraETE3P30ZgDS2RxhC0xfomJiQQ KoUfLwNwOoDUI1TZZiqJF3DOaFrU17WUOK6kvoqiZk7OPMW6b/pN4yYpu dXs8HpgBVlKgjwQ7xucECa0Nu+4EWKubeOkVQm/8fqf63D+5DkQ7/kGkF w==; X-CSE-ConnectionGUID: GeujrX/hQsqMY6GbjQ6SiA== X-CSE-MsgGUID: ZXuDgfvmRCOb3gsIoTFLHw== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="67933047" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="67933047" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2025 09:55:02 -0700 X-CSE-ConnectionGUID: Y3fxwT6oTbC429DGTFAbBg== X-CSE-MsgGUID: cc5+aGNxTO29QYS+shR/0A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,269,1754982000"; d="scan'208";a="186734395" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2025 09:55:01 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Cc: stuart.summers@intel.com, francois.dugast@intel.com Subject: [PATCH v4 0/7] Pagefault refactor Date: Fri, 31 Oct 2025 09:54:09 -0700 Message-Id: <20251031165416.2871503-1-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 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" We likely need multiple page fault producers feeding into a common consumer backend. Additionally, our current page fault work queue design—being per-GT rather than per-device—makes little sense. Clean up pagefault handling with clear layers. Matt Matthew Brost (7): drm/xe: Stub out new pagefault layer drm/xe: Implement xe_pagefault_init drm/xe: Implement xe_pagefault_reset drm/xe: Implement xe_pagefault_handler drm/xe: Implement xe_pagefault_queue_work drm/xe: Add xe_guc_pagefault layer drm/xe: Remove unused GT page fault code drivers/gpu/drm/xe/Makefile | 3 +- drivers/gpu/drm/xe/xe_device.c | 5 + drivers/gpu/drm/xe/xe_device_types.h | 11 + drivers/gpu/drm/xe/xe_gt.c | 8 +- drivers/gpu/drm/xe/xe_gt_pagefault.c | 679 ------------------------ drivers/gpu/drm/xe/xe_gt_pagefault.h | 19 - drivers/gpu/drm/xe/xe_gt_types.h | 65 --- drivers/gpu/drm/xe/xe_guc_ct.c | 6 +- drivers/gpu/drm/xe/xe_guc_pagefault.c | 95 ++++ drivers/gpu/drm/xe/xe_guc_pagefault.h | 15 + drivers/gpu/drm/xe/xe_pagefault.c | 440 +++++++++++++++ drivers/gpu/drm/xe/xe_pagefault.h | 19 + drivers/gpu/drm/xe/xe_pagefault_types.h | 136 +++++ drivers/gpu/drm/xe/xe_svm.c | 3 +- drivers/gpu/drm/xe/xe_vm.c | 1 - 15 files changed, 727 insertions(+), 778 deletions(-) delete mode 100644 drivers/gpu/drm/xe/xe_gt_pagefault.c delete mode 100644 drivers/gpu/drm/xe/xe_gt_pagefault.h create mode 100644 drivers/gpu/drm/xe/xe_guc_pagefault.c create mode 100644 drivers/gpu/drm/xe/xe_guc_pagefault.h create mode 100644 drivers/gpu/drm/xe/xe_pagefault.c create mode 100644 drivers/gpu/drm/xe/xe_pagefault.h create mode 100644 drivers/gpu/drm/xe/xe_pagefault_types.h -- 2.34.1