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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 12189C433E2 for ; Mon, 31 Aug 2020 08:37:17 +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 E20432073A for ; Mon, 31 Aug 2020 08:37:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E20432073A 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 8BCC289D42; Mon, 31 Aug 2020 08:37:16 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id A011B89D42 for ; Mon, 31 Aug 2020 08:37:14 +0000 (UTC) IronPort-SDR: ngD1PxIxlETULfLgfWqVcKh01X6ZpAGqvjk3MWSat8AMkHGkrw9w+cEddPtL1BCr5BB8kvKh2u +89rE+N5ufVg== X-IronPort-AV: E=McAfee;i="6000,8403,9729"; a="221166794" X-IronPort-AV: E=Sophos;i="5.76,375,1592895600"; d="scan'208";a="221166794" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2020 01:37:13 -0700 IronPort-SDR: ZZH6qiwV8x/6sE0NbgH9j42k+jf/dmAlHvgr8IWrN8+0Ykqlk+CmGqCeYwC1h+Vo9PSmYej7M+ TdOLue3fs/5w== X-IronPort-AV: E=Sophos;i="5.76,375,1592895600"; d="scan'208";a="501777552" Received: from ngbradon-mobl.ger.corp.intel.com (HELO localhost) ([10.251.94.237]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2020 01:37:11 -0700 From: Jani Nikula To: intel-gfx@lists.freedesktop.org Date: Mon, 31 Aug 2020 11:36:57 +0300 Message-Id: <20200831083657.15600-2-jani.nikula@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200831083657.15600-1-jani.nikula@intel.com> References: <20200831083657.15600-1-jani.nikula@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 2/2] drm/i915/dp: use opregion mailbox #5 EDID for eDP, if available 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: jani.nikula@intel.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" If a panel's EDID is broken, there may be an override EDID set in the ACPI OpRegion mailbox #5. Use it if available. Cc: Uma Shankar Reviewed-by: Uma Shankar Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_dp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index c57ac83bf563..d1307be196a2 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -8114,6 +8114,9 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, goto out_vdd_off; } + /* Set up override EDID, if any, from ACPI OpRegion */ + intel_opregion_edid_override(intel_connector); + mutex_lock(&dev->mode_config.mutex); edid = drm_get_edid(connector, &intel_dp->aux.ddc); if (edid) { -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx