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 D56B1CA6002 for ; Wed, 7 Oct 2026 15:36:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 91DC810E5A4; Wed, 7 Oct 2026 15:36:49 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="TcFMTDIh"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4211410E4A3 for ; Wed, 7 Oct 2026 15:36:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791387408; x=1822923408; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=1WVlRdV61v6X+LXBDGtTEiRRHn0y6ps0H0P0rraz5oE=; b=TcFMTDIh7TeQXULydykarJ5GEa++1Za5d/Wso7eMpRGtkNclONOVggFW YkmBMExPHrNfOmHzzaiukZV1IDbTt8d0VIjO6VMNCT+UQj3/tR9D3lCyw YodPOKx9jk291gQklh7ePW3E/oARj5l4/DcjHhastdRGfU+8PwNW10l/h aTmj3jws9DdTIQOPCEac4BRVV/RANikTx8n5d7vLP5HRoUPATQyLMdagc KZSx8skcNR6ItkQ12PwQYndwiRulFVlY7q3P+S8VI8cTqF4oOwbrP6hsO iMrkEL6HtF/8VLgjQIIMFLtyEmhsn42afwPOJfj/kDHNfw8IQJDQ6TtsY w==; X-CSE-ConnectionGUID: A5qE2mQJQMK/z6xUtdqb7A== X-CSE-MsgGUID: 3c3cxpYWTw+AkLTpiyY03g== X-IronPort-AV: E=McAfee;i="6800,10657,11928"; a="148781" X-IronPort-AV: E=Sophos;i="6.27,144,1787036400"; d="scan'208";a="148781" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Oct 2026 08:36:48 -0700 X-CSE-ConnectionGUID: TDjOmQDdSe2mt0kztHEH2A== X-CSE-MsgGUID: QTF4SzQ/TNaFKCqUaTZ7kg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,144,1787036400"; d="scan'208";a="277583508" Received: from ettammin-mobl3.ger.corp.intel.com (HELO mwauld-desk.intel.com) ([10.245.244.246]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Oct 2026 08:36:47 -0700 From: Matthew Auld To: intel-xe@lists.freedesktop.org Subject: [PATCH v2 0/3] sticky TT Date: Wed, 7 Oct 2026 16:36:06 +0100 Message-ID: <20261007153605.1743626-5-matthew.auld@intel.com> X-Mailer: git-send-email 2.55.0 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: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Try to fix user reported dma-buf perf issue: https://gitlab.freedesktop.org/drm/xe/kernel/-/work_items/9415 v2: - The plot thickens: yes we can have ping-pong, but also p2p itself for the window buffer shared with the compositor, which is killing perf. Add a new patch to try to workaround this. -- 2.55.0