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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 589A4C32771 for ; Wed, 15 Jan 2020 19:49:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 33E942084D for ; Wed, 15 Jan 2020 19:49:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 33E942084D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=Intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B3D296EB27; Wed, 15 Jan 2020 19:49:34 +0000 (UTC) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9D1346EB27 for ; Wed, 15 Jan 2020 19:49:32 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Jan 2020 11:49:32 -0800 X-IronPort-AV: E=Sophos;i="5.70,323,1574150400"; d="scan'208";a="219402016" Received: from johnharr-mobl3.ger.corp.intel.com (HELO [10.251.135.196]) ([10.251.135.196]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 15 Jan 2020 11:49:31 -0800 To: Daniele Ceraolo Spurio , Intel-GFX@Lists.FreeDesktop.Org References: <20200115024053.11333-1-John.C.Harrison@Intel.com> <3201a276-52d7-3140-6271-3cf6c5bd7dda@intel.com> From: John Harrison Message-ID: <3e84b0d5-d324-c513-51f9-fdfe46a16075@Intel.com> Date: Wed, 15 Jan 2020 11:49:30 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <3201a276-52d7-3140-6271-3cf6c5bd7dda@intel.com> Content-Language: en-US Subject: Re: [Intel-gfx] [PATCH] drm/i915/guc: Update to GuC FW v40 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On 1/15/2020 11:45, Daniele Ceraolo Spurio wrote: > On 1/14/20 6:40 PM, John.C.Harrison@Intel.com wrote: >> From: Matthew Brost >> >> The GuC major version has jumped from 35 to 40. This is because this >> FW includes a significant re-write of the API that completely breaks >> backwards compatibility for command submission. This patch is >> sufficient to enable loading of the GuC and hence authentication of >> the HuC. Support of command submission will follow in a much larger >> patch series. >> >> The changes required to load v40 FW are: >> * An additional data structure and associated 'private_data' pointer >> are now required to be setup by the driver. This is basically a >> scratch area of memory that the GuC owns. The size is read from the >> CSS header. >> >> * A physical to logical engine mapping table is required to be >> provided in the GuC additional data structure. This is initialized >> with a 1 to 1 mapping. >> >> * GUC_CTL_CTXINFO has been removed from the initialization params. >> > > You're missing the removal of ads.reg_state_buffer, which is several > page of memory we can now save. Michal has floated a patch for that > internally. > > Daniele > Yes, I just noticed that a little earlier. Already in the process of squashing it in. John. _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx