From patchwork Tue Nov 26 17:08:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11262873 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 351C014DB for ; Tue, 26 Nov 2019 17:09:22 +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 1BEF32073F for ; Tue, 26 Nov 2019 17:09:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BEF32073F 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 966706E443; Tue, 26 Nov 2019 17:09:21 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1688F6E445 for ; Tue, 26 Nov 2019 17:09:20 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2019 09:09:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,246,1571727600"; d="scan'208";a="198887065" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga007.jf.intel.com with SMTP; 26 Nov 2019 09:09:16 -0800 Received: by stinkbox (sSMTP sendmail emulation); Tue, 26 Nov 2019 19:09:15 +0200 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Tue, 26 Nov 2019 19:08:59 +0200 Message-Id: <20191126170911.23253-2-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191126170911.23253-1-ville.syrjala@linux.intel.com> References: <20191126170911.23253-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 01/13] drm/i915/fbc: Disable fbc by default on all glk+ X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jian-Hong Pan , Paulo Zanoni , stable@vger.kernel.org, Daniel Drake Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ville Syrjälä We're missing a workaround in the fbc code for all glk+ platforms which can cause corruption around the top of the screen. So enabling fbc by default is a bad idea. I'm not keen to backport the w/a so let's start by disabling fbc by default on all glk+. We'll lift the restriction once the w/a is in place. Cc: stable@vger.kernel.org Cc: Daniel Drake Cc: Paulo Zanoni Cc: Jian-Hong Pan Cc: Maarten Lankhorst Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_fbc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 92c7eb243559..3cc1f4b4b5a3 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1284,7 +1284,7 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv) return 0; /* https://bugs.freedesktop.org/show_bug.cgi?id=108085 */ - if (IS_GEMINILAKE(dev_priv)) + if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) return 0; if (IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9)