From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3726165-1519677316-2-15336179461398401461 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519677315; b=hm+pUPHd02G+GOwVJLCSHYAduFRhpSVCo3Eb8Qmx/U/PNh9 EsN6gbBIQSlS5XRir8IKdTZn7vKm773XA/oCAvmvYkVQ6ZElax/JYELHA//OOsYX kvt9ulsybQso1QBP0N7+RC0kdxVdF4/s9NmQVjhGu4QBwwZ+AoqYnWANlWZXZnSI RJ1F/ieTElX//3JhLprNTQziVv6Y0JNli0QZqV4OrD+Q9B2roWM8jC3pw+3VoVGS eINjfTbeM/qKPcuUJQeFVAN60sDP+1HTiR2NDmeO2qKzufGSpQQekCC0MwXLxZCd bTz12es6FEulMvKDi5Lu/0XaIewTjmQmYiPabyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519677315; bh=QeySiBzTm9pCebOOH7HlYdwF5j hj3LxlGrdsFPrdZbY=; b=Bj4uwgVyIjCJSyg1cgh+zv3NrPGJwF1wdm0O8pNXa7 TUMrdFbe7B/NeC7yJpuvcYuNzUyrJsJQkAPop5Ym+Xe25bYaujQ52aLcWxw1Jbet N+0eQq4WZ0JXUNXJjS1erqI3Nq/Ju38YyAqPRaBpO63WFnhj9zTSzddeHva4JgRL P0JYEIjn+YfMv97UBuXq9Nc7f9F6NwYI0Am/sztYOBA0z/dWJwhUNqAtfhB8QMNk QelB+Qxq8estp9xrUWHN2pjV6oBP/cZ5/eVGfoHfaYfT2s/XQFHwmsoweYVdluSE 988BoOXDK/CTLcLCjlYxEKeCj3XnHqF4OHP1HNyPF2wg== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753821AbeBZU16 (ORCPT ); Mon, 26 Feb 2018 15:27:58 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:36918 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752442AbeBZU1w (ORCPT ); Mon, 26 Feb 2018 15:27:52 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kai-Heng Feng , Mario Kleiner , Daniel Vetter Subject: [PATCH 4.15 43/64] drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA Date: Mon, 26 Feb 2018 21:22:20 +0100 Message-Id: <20180226202155.283389834@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180226202153.453363333@linuxfoundation.org> References: <20180226202153.453363333@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kai-Heng Feng commit 06998a756a3865817b87a129a7e5d5bb66dc1ec3 upstream. Similar to commit e10aec652f31 ("drm/edid: Add 6 bpc quirk for display AEO model 0."), the EDID reports "DFP 1.x compliant TMDS" but it support 6bpc instead of 8 bpc. Hence, use 6 bpc quirk for this panel. Fixes: 196f954e2509 ("drm/i915/dp: Revert "drm/i915/dp: fall back to 18 bpp when sink capability is unknown"") BugLink: https://bugs.launchpad.net/bugs/1749420 Signed-off-by: Kai-Heng Feng Reviewed-by: Mario Kleiner Cc: # v4.8+ Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20180218085359.7817-1-kai.heng.feng@canonical.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/drm_edid.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -113,6 +113,9 @@ static const struct edid_quirk { /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ { "AEO", 0, EDID_QUIRK_FORCE_6BPC }, + /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ + { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, + /* Belinea 10 15 55 */ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },