From patchwork Mon Nov 12 05:56:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lee, Shawn C" X-Patchwork-Id: 10678113 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B3F5D14BA for ; Mon, 12 Nov 2018 05:23:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9B0E22A13B for ; Mon, 12 Nov 2018 05:23:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8F11F2A18B; Mon, 12 Nov 2018 05:23:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3D7CA2A18E for ; Mon, 12 Nov 2018 05:23:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3093089CCE; Mon, 12 Nov 2018 05:23:21 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4EC9389CCE for ; Mon, 12 Nov 2018 05:23:20 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Nov 2018 21:23:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,494,1534834800"; d="scan'208";a="273256938" Received: from shawnle1-cm6330.itwn.intel.com ([10.5.253.165]) by orsmga005.jf.intel.com with ESMTP; 11 Nov 2018 21:23:18 -0800 From: "Lee, Shawn C" To: dri-devel@lists.freedesktop.org Subject: [PATCH] drm/edid: Add 6 bpc quirk for edp panel enabling. Date: Sun, 11 Nov 2018 21:56:52 -0800 Message-Id: <1542002212-978-1-git-send-email-shawn.c.lee@intel.com> X-Mailer: git-send-email 2.7.4 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cooper Chiou , Lee@freedesktop.org, Jani Nikula , "Lee, Shawn C" MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP BOE panel (ID: 0x0770) that reports "DFP 1.x compliant TMDS". But it's 6bpc panel only instead of 8 bpc. Add panel ID to edid quirk list and set 6 bpc as default to work around this issue. Cc: Jani Nikula Cc: Maarten Lankhorst Cc: Gustavo Padovan Cc: Cooper Chiou Signed-off-by: Lee, Shawn C --- drivers/gpu/drm/drm_edid.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 08821dfa3327..8c93779d3b2f 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -119,6 +119,9 @@ static const struct edid_quirk { /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */ { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC }, + /* BOE model 0x0770 reports 8 bpc, but is a 6 bpc panel */ + { "BOE", 0x0770, EDID_QUIRK_FORCE_6BPC }, + /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */ { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },