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 DB834CFD348 for ; Mon, 24 Nov 2025 19:02:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9C34A10E184; Mon, 24 Nov 2025 19:02:48 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="S6UglCsV"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id A802110E184 for ; Mon, 24 Nov 2025 19:02:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764010967; x=1795546967; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=VBz7IW2b8X44/fst8dILEhSrgoDQktzYpoiHS53G9Uo=; b=S6UglCsVp5L8Dsf9BOPHHJC7XyCGVJsdpyYV5GL8Kc/1H26jrxgqH1Bu 1f/VjH/weqI/Kw/PEzV3i69vrvZ2MQNV7get7bAylVvCMgol33xEViCHA iJjsDHBcggTBDDA6CIeLgeO2kW9WW6iC9cCZMx7kwwunRkAZmjYbNAzVx rOSXrzm5Uf2NNgo/vO4sGmTjsesnAlU4K+kiLUO0dYPRpcL9nj4X7pqv2 DhmDZE9PXvjE7d/DEabyImg2/KMoJT5pjza6xsNzaAdf0XlsT5LkJqFau mngzhKWGvMcmY6CprLCiYUnIxAp8blX5lD5AckOTnp59baoL+OexjTOxT w==; X-CSE-ConnectionGUID: UAhH3mdaSbeGOnkSW1Posg== X-CSE-MsgGUID: l7Fo7xd1QHOUCkA5KYmjCA== X-IronPort-AV: E=McAfee;i="6800,10657,11623"; a="83410024" X-IronPort-AV: E=Sophos;i="6.20,223,1758610800"; d="scan'208";a="83410024" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 11:02:47 -0800 X-CSE-ConnectionGUID: NsOlWgVjSweCTdSYgS3AeQ== X-CSE-MsgGUID: djEDuoxzRmaCwykgPwRIEg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,223,1758610800"; d="scan'208";a="196858103" Received: from llaguna-dev.igk.intel.com (HELO localhost) ([10.91.214.40]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 11:02:46 -0800 From: Lukasz Laguna To: intel-xe@lists.freedesktop.org Cc: michal.wajdeczko@intel.com, piotr.piorkowski@intel.com, lukasz.laguna@intel.com Subject: [PATCH v3 0/4] PF: Add support for MERT Date: Mon, 24 Nov 2025 20:02:33 +0100 Message-Id: <20251124190237.20503-1-lukasz.laguna@intel.com> X-Mailer: git-send-email 2.40.0 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" The MERT subsystem manages memory accesses between host and device. On the Crescent Island platform, it requires direct management by the driver. Signed-off-by: Lukasz Laguna Lukasz Laguna (4): drm/xe: Add device flag to indicate standalone MERT drm/xe/pf: Configure LMTT in MERT drm/xe/pf: Add TLB invalidation support for MERT drm/xe/pf: Handle MERT catastrophic errors drivers/gpu/drm/xe/Makefile | 1 + drivers/gpu/drm/xe/regs/xe_irq_regs.h | 1 + drivers/gpu/drm/xe/regs/xe_mert_regs.h | 21 +++++++ drivers/gpu/drm/xe/xe_device.h | 5 ++ drivers/gpu/drm/xe/xe_device_types.h | 6 ++ drivers/gpu/drm/xe/xe_irq.c | 2 + drivers/gpu/drm/xe/xe_lmtt.c | 25 +++++++- drivers/gpu/drm/xe/xe_mert.c | 82 ++++++++++++++++++++++++++ drivers/gpu/drm/xe/xe_mert.h | 32 ++++++++++ drivers/gpu/drm/xe/xe_pci.c | 2 + drivers/gpu/drm/xe/xe_pci_types.h | 1 + drivers/gpu/drm/xe/xe_sriov_pf.c | 4 ++ 12 files changed, 179 insertions(+), 3 deletions(-) create mode 100644 drivers/gpu/drm/xe/regs/xe_mert_regs.h create mode 100644 drivers/gpu/drm/xe/xe_mert.c create mode 100644 drivers/gpu/drm/xe/xe_mert.h -- 2.40.0