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=-2.3 required=3.0 tests=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 E2877C388F3 for ; Tue, 1 Oct 2019 10:51:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA7CE2133F for ; Tue, 1 Oct 2019 10:51:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731175AbfJAKvG (ORCPT ); Tue, 1 Oct 2019 06:51:06 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:51774 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731030AbfJAKvF (ORCPT ); Tue, 1 Oct 2019 06:51:05 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 7EA5280498; Tue, 1 Oct 2019 12:50:48 +0200 (CEST) Date: Tue, 1 Oct 2019 12:51:02 +0200 From: Pavel Machek To: Jani Nikula Cc: kernel list , intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com, joonas.lahtinen@linux.intel.com Subject: 5.4-rc1 on Thinkpad x220: graphics regression, it "snows" on digital output Message-ID: <20191001105102.GA4442@amd> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="qDbXVdCdHGoSgWSk" Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --qDbXVdCdHGoSgWSk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! When 5.4-rc1 is booted on thinkpad X220 I get "snow" and other artefacts on digital output. 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) It already snows when kernel is booting, snow continues in X. HDMI1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 478mm x 268mm 1920x1080 60.00*+ Snow continues in other video modes: pavel@duo:~$ xrandr --output HDMI1 --mode 1024x768 pavel@duo:~$ VGA output appears normal. Any ideas? Best regards, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --qDbXVdCdHGoSgWSk Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAl2TL5YACgkQMOfwapXb+vIcUACdEniC2D2dL2MVXRONfTE+X3NS NscAn12L+nQU3Q3mdoa61oyqu0Z7AluS =cSp1 -----END PGP SIGNATURE----- --qDbXVdCdHGoSgWSk--