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 21389C4167B for ; Fri, 8 Dec 2023 11:29:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DA1E510EAA0; Fri, 8 Dec 2023 11:29:51 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 88BBC10EA9B for ; Fri, 8 Dec 2023 11:29:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702034984; x=1733570984; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=hXrr1ApuJeB5RIfYSa1n8adzh/Q6P6mJdRwHCzHbspg=; b=nzKFD6sXxDSmGTsV1ESnjNMXCcvzzn6gicT+P50FUT9wI7GZOMWc6JTQ s5tRRZKTmjUVym+8m1no4+xsevAkWbm3h0QV6OtrNMG9tjKIUlqwhNPuU /WMIfUDZRW7r7D8cLcGYsQ/NmkTQ1ZMdoY74i9qW23eHcDs7eM0NkZLyt mCPJsNMhLOI6wvTz10+1YW6KvWmasd1Gg79ivlxIPCVgbUlqViVVDJ1QF eaptKlY1TJflaGoU59D2CKyoi4wq9dgY+QgtGOaPSL+eTdP0vtlOWIVLo q05q1vYMX5fb/PXAMKBTVIHtK/DV2lh6YmIu4Dn2tzFzjyr5sE1STYMQI A==; X-IronPort-AV: E=McAfee;i="6600,9927,10917"; a="1474128" X-IronPort-AV: E=Sophos;i="6.04,260,1695711600"; d="scan'208";a="1474128" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2023 03:29:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10917"; a="721843382" X-IronPort-AV: E=Sophos;i="6.04,260,1695711600"; d="scan'208";a="721843382" Received: from jparkkin-mobl.ger.corp.intel.com (HELO fedora..) ([10.249.254.236]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2023 03:29:30 -0800 From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= To: intel-xe@lists.freedesktop.org Subject: [PATCH v2 0/2] Huge PTE and scratch page updates Date: Fri, 8 Dec 2023 12:29:16 +0100 Message-ID: <20231208112918.15411-1-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.42.0 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: , Cc: Lucas De Marchi , Matt Roper Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" The first patch restricts encoding of huge PTEs to 1GiB and adds a define for the maximum level for which huge PTEs are available. The second patch replaces scratch PTEs with NULL PTEs. Cc: Brian Welty Cc: Matt Roper Cc: Lucas De Marchi Thomas Hellström (2): drm/xe: Restrict huge PTEs to 1GiB drm/xe: Use NULL PTEs as scratch PTEs drivers/gpu/drm/xe/xe_pt.c | 68 +++++--------------------- drivers/gpu/drm/xe/xe_pt.h | 6 +-- drivers/gpu/drm/xe/xe_vm.c | 84 ++++++++++++++++++++++---------- drivers/gpu/drm/xe/xe_vm.h | 11 +++++ drivers/gpu/drm/xe/xe_vm_types.h | 1 - 5 files changed, 82 insertions(+), 88 deletions(-) -- 2.42.0