From patchwork Thu Nov 19 15:50:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 11917895 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=-11.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 40658C6369E for ; Thu, 19 Nov 2020 15:16:10 +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 D3F6C22202 for ; Thu, 19 Nov 2020 15:16:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3F6C22202 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 124CD6E51B; Thu, 19 Nov 2020 15:16:09 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 183456E51B for ; Thu, 19 Nov 2020 15:16:08 +0000 (UTC) IronPort-SDR: BTB5Scr0fyAOBpaoalqLCAmFVs3aWHBlObcupMgKAtyNkAcYJA7ivaoX+yYlaQZt8/NZrOEIrb slU1OrY0TD7A== X-IronPort-AV: E=McAfee;i="6000,8403,9809"; a="235451719" X-IronPort-AV: E=Sophos;i="5.77,490,1596524400"; d="scan'208";a="235451719" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2020 07:16:07 -0800 IronPort-SDR: OylgnAhwAMbcZNgEAkTLyO94GHBBbzRiiTHIrFdYk3pxFBLvDw4Ww3wGGheu+VdGMbr/gmGac6 lKKqMuArHZ5w== X-IronPort-AV: E=Sophos;i="5.77,490,1596524400"; d="scan'208";a="341715128" Received: from linux-desktop.iind.intel.com ([10.223.34.173]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2020 07:16:05 -0800 From: Uma Shankar To: intel-gfx@lists.freedesktop.org Date: Thu, 19 Nov 2020 21:20:48 +0530 Message-Id: <20201119155050.20328-1-uma.shankar@intel.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Subject: [Intel-gfx] [v2 0/2] Re-enable FBC on TGL 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" FBC was disabled on TGL due to random underruns. It has been determined that FBC will not work reliably with PSR2. This series re-enables fbc along with taking care of the PSR2 limitations for TGL. Bspec: 50422 HSD: 14010260002 v2: Addressed review comments and added bspec links Uma Shankar (2): drm/i915/display/tgl: Disable FBC with PSR2 Revert "drm/i915/display/fbc: Disable fbc by default on TGL" drivers/gpu/drm/i915/display/intel_fbc.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-)