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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 513CFC32771 for ; Thu, 9 Jan 2020 08:46:38 +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 28CD82067D for ; Thu, 9 Jan 2020 08:46:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28CD82067D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 AEC796E3F7; Thu, 9 Jan 2020 08:46:37 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id F3F3B6E3F7 for ; Thu, 9 Jan 2020 08:46:35 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jan 2020 00:46:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,413,1571727600"; d="scan'208";a="421715428" Received: from gaia.fi.intel.com ([10.237.72.192]) by fmsmga005.fm.intel.com with ESMTP; 09 Jan 2020 00:46:33 -0800 Received: by gaia.fi.intel.com (Postfix, from userid 1000) id CA81F5C1DE9; Thu, 9 Jan 2020 10:46:02 +0200 (EET) From: Mika Kuoppala To: Chris Wilson , Intel-gfx@lists.freedesktop.org, Tvrtko Ursulin In-Reply-To: <157850084100.13423.10479098209136206233@skylake-alporthouse-com> References: <20200108161954.29739-1-tvrtko.ursulin@linux.intel.com> <157850084100.13423.10479098209136206233@skylake-alporthouse-com> Date: Thu, 09 Jan 2020 10:46:02 +0200 Message-ID: <87pnftf25x.fsf@gaia.fi.intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH] drm/i915: Revert "drm/i915/tgl: Wa_1607138340" 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Chris Wilson writes: > Quoting Tvrtko Ursulin (2020-01-08 16:19:54) >> From: Tvrtko Ursulin >> >> This reverts commit 08fff7aeddc9dd72161b4c8fc27fbab12b4b9352. >> >> For some yet unexplained reason not having this improves stability of some >> media workloads. >> >> Promise is that the media hang will be root caused properly and in the >> meantime absence of this workaround is unlikely to cause problems. > > I suspect this is shooting the messenger. The danger is that we rely on > FORCE_RESTORE for preemption, and so if this bit is triggering the issue, > their problem just becomes more sporadic. Noted. But lets get a sample point with A0. We kind of know where to focus our gaze from now on. Acked-by: Mika Kuoppala _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx