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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 D05C6C3A5A3 for ; Tue, 27 Aug 2019 08:15:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0756217F5 for ; Tue, 27 Aug 2019 08:15:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kraav.com header.i=@kraav.com header.b="IvnrGi97"; dkim=pass (1024-bit key) header.d=kraav.com header.i=@kraav.com header.b="IvnrGi97" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731006AbfH0IPG (ORCPT ); Tue, 27 Aug 2019 04:15:06 -0400 Received: from mail-out.elkdata.ee ([185.7.252.64]:10887 "EHLO mail-out.elkdata.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729635AbfH0IPC (ORCPT ); Tue, 27 Aug 2019 04:15:02 -0400 X-Greylist: delayed 381 seconds by postgrey-1.27 at vger.kernel.org; Tue, 27 Aug 2019 04:15:01 EDT Received: from mail-relay2.elkdata.ee (unknown [185.7.252.69]) by mail-out.elkdata.ee (Postfix) with ESMTP id 1D231372A77 for ; Tue, 27 Aug 2019 11:08:37 +0300 (EEST) Received: from mail-relay2.elkdata.ee (unknown [185.7.252.69]) by mail-relay2.elkdata.ee (Postfix) with ESMTP id 1B95783088C for ; Tue, 27 Aug 2019 11:08:37 +0300 (EEST) X-Virus-Scanned: amavisd-new at elkdata.ee Received: from mail-relay2.elkdata.ee ([185.7.252.69]) by mail-relay2.elkdata.ee (mail-relay2.elkdata.ee [185.7.252.69]) (amavisd-new, port 10024) with ESMTP id yUwoLpVB-fio for ; Tue, 27 Aug 2019 11:08:34 +0300 (EEST) Received: from mail.elkdata.ee (unknown [185.7.252.68]) by mail-relay2.elkdata.ee (Postfix) with ESMTP id 8F9A2830889 for ; Tue, 27 Aug 2019 11:08:34 +0300 (EEST) Received: from mail.meie.biz (21-182-190-90.sta.estpak.ee [90.190.182.21]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: leho@jaanalind.ee) by mail.elkdata.ee (Postfix) with ESMTPSA id 84F8160BF17 for ; Tue, 27 Aug 2019 11:08:34 +0300 (EEST) Received: by mail.meie.biz (Postfix, from userid 500) id 6DBAEA831AC; Tue, 27 Aug 2019 11:08:34 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kraav.com; s=mail; t=1566893314; bh=c/MrxXN3t+vrxKSqHztny/pq7o/8x6ETk1RdwA+mN7Y=; h=Date:From:To:Subject; b=IvnrGi97/zDPekludBp3LRKk6NmHzfS+5dRb9xVJWxnsGXFatizJRMShAeC6cMarN 308BOjLkudsRoCb7acKmhqOybVc0dN0v7mVGQRmLX30E0Rln41saitzf+q/xJSO0Qu xnDRJur0EzIlu4A9lF1Ta5l35QNJjysqDUs+Vy9s= Received: from papaya (papaya-vpn.meie.biz [192.168.48.157]) by mail.meie.biz (Postfix) with ESMTPA id 55A26A831AA for ; Tue, 27 Aug 2019 11:08:34 +0300 (EEST) Authentication-Results: mail.meie.biz; dmarc=fail (p=none dis=none) header.from=kraav.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kraav.com; s=mail; t=1566893314; bh=c/MrxXN3t+vrxKSqHztny/pq7o/8x6ETk1RdwA+mN7Y=; h=Date:From:To:Subject; b=IvnrGi97/zDPekludBp3LRKk6NmHzfS+5dRb9xVJWxnsGXFatizJRMShAeC6cMarN 308BOjLkudsRoCb7acKmhqOybVc0dN0v7mVGQRmLX30E0Rln41saitzf+q/xJSO0Qu xnDRJur0EzIlu4A9lF1Ta5l35QNJjysqDUs+Vy9s= Received: (nullmailer pid 9626 invoked by uid 1000); Tue, 27 Aug 2019 08:08:34 -0000 Date: Tue, 27 Aug 2019 11:08:34 +0300 From: Leho Kraav To: linux-kernel@vger.kernel.org Subject: 5.3.0-rc6: i915 fails at typec_displayport 5120x1440 Message-ID: <20190827080834.GB4124@papaya> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.12.1 (2019-06-15) X-Bogosity: Unsure, tests=bogofilter, spamicity=0.500000, version=1.2.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hardware: Dell Latitude 7400 2-in-1, Whiskey Lake, Intel 620 5120x1440 fails to display. Next available mode 3840x1080 displays fine. Is this a kernel, or a driver level issue? It fails both in Xorg and Wayland, so seems something at the lower levels. This 49" monitor worked fine on Latitude 7480 (Kaby Lake), so I'm thinking something with `i915` module layer. What should I try next? ``` leho@papaya ~ $ [-] uname Linux papaya 5.3.0-rc6+gentoo+ #95 SMP PREEMPT Mon Aug 26 23:50:08 EEST 2019 x86_64 Intel(R) Core(TM) i5-8365U CPU @ 1.60GHz GenuineIntel GNU/Linux leho@papaya ~ $ [-] xrandr Screen 0: minimum 8 x 8, current 5120 x 1440, maximum 32767 x 32767 ... DP1 disconnected (normal left inverted right x axis y axis) DP2 connected primary 3840x1080+0+0 (normal left inverted right x axis y axis) 1200mm x 340mm 5120x1440 59.98 + 29.98 3840x1080 59.97*+ 2560x1080 60.00 59.94 59.98 1920x1080 60.00 60.00 50.00 59.94 1920x1080i 60.00 50.00 59.94 1600x1200 60.00 1280x1024 75.02 60.02 1280x800 59.81 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.03 60.00 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08 HDMI1 disconnected (normal left inverted right x axis y axis) HDMI2 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis) leho@papaya ~ $ [-] xrandr --output DP2 --mode 5120x1440 --verbose crtc 0: 5120x1440 59.98 +0+0 "DP2" xrandr: Configure crtc 0 failed crtc 0: disable crtc 1: disable crtc 2: disable crtc 3: disable screen 0: revert crtc 0: revert crtc 1: revert crtc 2: revert crtc 3: revert ``` -- Leho Kraav, senior technology & digital marketing architect