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 9B553CCF9EE for ; Fri, 31 Oct 2025 08:06:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 59DC210EACC; Fri, 31 Oct 2025 08:06:05 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="kHz/yEQm"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id CB67910EAC8 for ; Fri, 31 Oct 2025 08:06:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761897963; x=1793433963; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Sxttd+QJoWvPp9k00WWBkqGofA8nAIMTVlc8Pw1k6Rg=; b=kHz/yEQmPaQOWSmiflNt3YqqjygqEv9jD29dWtIGoQIMfK7kLXUc6Gn0 6OR1IPM6UfANcHrlKfXD9fpfie+DiQOpkk6v0Z/RLbSyoWTVM/JKQa7CE uZRiNpf+WP0colJIDIz4VQdcpV2BI1ygS38N4Sdj54shjfLB8PyosoSQI 8MOSU89PSJseASQHh63C2QyDxujnzZPeCoe9J5RHXBajPNYnDpe7SyyPf ofbmBuGjBCz9f79OznzhUCswc9faSz7HkTdRf59piIYT+/jpP0zuKllVe 1W1h0jAsa8B1t3Wspf35wZ7VD2naph85p41XcfBPyAcSj2dkftXMl2JKq w==; X-CSE-ConnectionGUID: D1ZpfoO0S22zKUEDckH9+w== X-CSE-MsgGUID: tGToes7ZRCal7+GCWi0Uhg== X-IronPort-AV: E=McAfee;i="6800,10657,11598"; a="74729832" X-IronPort-AV: E=Sophos;i="6.19,268,1754982000"; d="scan'208";a="74729832" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2025 01:05:41 -0700 X-CSE-ConnectionGUID: 4tdWPjnrTci6d2feTHifqA== X-CSE-MsgGUID: tLoZ0amBSv+1v0UXPN/4JQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,268,1754982000"; d="scan'208";a="186506616" Received: from llaguna-dev.igk.intel.com (HELO localhost) ([10.91.214.40]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2025 01:05:40 -0700 From: Lukasz Laguna To: intel-xe@lists.freedesktop.org Cc: michal.wajdeczko@intel.com, piotr.piorkowski@intel.com, lukasz.laguna@intel.com Subject: [PATCH v2 0/4] PF: Add support for MERT Date: Fri, 31 Oct 2025 09:04:57 +0100 Message-Id: <20251031080501.844-1-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