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 C4696C64EC4 for ; Thu, 9 Mar 2023 00:11:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 320AB10E76A; Thu, 9 Mar 2023 00:11:12 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0EC4910E76A for ; Thu, 9 Mar 2023 00:11:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678320671; x=1709856671; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=X6oJJqQcAVzP2pgHq+jf6cOb/9OUMItl5bUxXrbWMcE=; b=Xc4ecutd3Qz8PRCKjwvuWV0ZQuk+DILTgr1MegpKhyxCVjXLMWAKSPa0 HWDjUIXDEjnZDawhkX09nJ596Y0Pw4pRDwZC2OQDQLdzsDh2qyFRmEs6r W5WKfnzNpqiknETY4yfPetHg0XPvTyzxI29pg/1ruT1UqjWh9cEiwubjc GnwhguzlfrNsOjf/b+d2YNoUZyBGnpfherSxdBDz4fYRC4mPUBshRVPlQ sb7a6XuWtfPoIR4RP+SY8xSdJsi1ZJQ2JbMdVEML3mR4gbq3AgObnNodf wDq+qMGaRkdi+9FHiW6Q5tI8VrKYvXPOxfZv4SMPiBBZR9OoC5LuwNkcE Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10643"; a="333782500" X-IronPort-AV: E=Sophos;i="5.98,244,1673942400"; d="scan'208";a="333782500" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2023 16:11:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10643"; a="787343407" X-IronPort-AV: E=Sophos;i="5.98,244,1673942400"; d="scan'208";a="787343407" Received: from gbain-mobl1.ger.corp.intel.com (HELO intel.com) ([10.252.47.108]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2023 16:11:08 -0800 Date: Thu, 9 Mar 2023 01:11:05 +0100 From: Andi Shyti To: Andrzej Hajda Message-ID: References: <20230308133624.2131582-1-andrzej.hajda@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230308133624.2131582-1-andrzej.hajda@intel.com> Subject: Re: [Intel-gfx] [PATCH v2] drm/i915/gt: prevent forcewake releases during BAR resize X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, Matthew Auld , Rodrigo Vivi , chris.p.wilson@linux.intel.com, Nirmoy Das Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Andrzej, On Wed, Mar 08, 2023 at 02:36:24PM +0100, Andrzej Hajda wrote: > Tests on DG2 machines show that releasing forcewakes during BAR resize > results later in forcewake ack timeouts. Since forcewakes can be realeased > asynchronously the simplest way to prevent it is to get all forcewakes > for duration of BAR resizing. > > v2: hold rpm as well during resizing (Rodrigo) > > Signed-off-by: Andrzej Hajda Reviewed-by: Andi Shyti Thanks, Andi