From patchwork Mon Sep 10 08:30:11 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: 10593653 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 ECD7014BD for ; Mon, 10 Sep 2018 07:59:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DFD4E28DD5 for ; Mon, 10 Sep 2018 07:59:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D34A228DD8; Mon, 10 Sep 2018 07:59:21 +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 959FB28DD5 for ; Mon, 10 Sep 2018 07:59:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D8CD46E252; Mon, 10 Sep 2018 07:59:20 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id E139E6E252; Mon, 10 Sep 2018 07:59:19 +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 orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Sep 2018 00:59:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,355,1531810800"; d="scan'208";a="261269631" Received: from shawnle1-cm6330.itwn.intel.com ([10.5.230.140]) by fmsmga005.fm.intel.com with ESMTP; 10 Sep 2018 00:59:17 -0700 From: "Lee, Shawn C" To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Mon, 10 Sep 2018 01:30:11 -0700 Message-Id: <1536568214-6949-1-git-send-email-shawn.c.lee@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [Intel-gfx] [PATCH 0/3] add LG panel to dpcd quirk database 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: Cooper Chiou , Jani Nikula , Dhinakaran Pandiyan MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Only specific N value (0x8000) would be acceptable for LG LP140WF6-SPM1 eDP panel which is running at asynchronous clock mode. With the other N value, it will enter BITS mode and display black screen. This patch series set constant N value for specific sink/branch device that would cover similar issue. Cc: Jani Nikula Cc: Cooper Chiou Cc: Matt Atwood Cc: Maarten Lankhorst Cc: Dhinakaran Pandiyan Cc: Clint Taylor Lee, Shawn C (3): drm: Add support for device_id based detection. drm: Change limited M/N quirk to constant N quirk. drm: add LG eDP panel to quirk database drivers/gpu/drm/drm_dp_helper.c | 17 ++++++++++++++++- drivers/gpu/drm/i915/intel_display.c | 26 +++++++++++--------------- drivers/gpu/drm/i915/intel_display.h | 2 +- drivers/gpu/drm/i915/intel_dp.c | 8 ++++---- drivers/gpu/drm/i915/intel_dp_mst.c | 6 +++--- include/drm/drm_dp_helper.h | 6 +++--- 6 files changed, 38 insertions(+), 27 deletions(-)