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=-5.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 1480CC433DB for ; Thu, 25 Feb 2021 10:30:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC83D64E21 for ; Thu, 25 Feb 2021 10:30:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234780AbhBYKaX (ORCPT ); Thu, 25 Feb 2021 05:30:23 -0500 Received: from mx2.suse.de ([195.135.220.15]:46926 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234550AbhBYKCv (ORCPT ); Thu, 25 Feb 2021 05:02:51 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 053EDAD57; Thu, 25 Feb 2021 10:02:03 +0000 (UTC) Subject: Re: udldrm does not recover from powersave? Re: udldrmfb: causes WARN in i915 on X60 (x86-32) To: Pavel Machek Cc: intel-gfx@lists.freedesktop.org, kernel list , dri-devel@lists.freedesktop.org, rodrigo.vivi@intel.com, airlied@redhat.com, sean@poorly.run References: <20210224200912.GA27905@duo.ucw.cz> <452585d5-9d18-f5a8-9d6b-6d39aa037480@suse.de> <20210225095322.GA5089@amd> From: Thomas Zimmermann Message-ID: <4fb31ea5-ef20-4752-4782-8d9f1afdf51d@suse.de> Date: Thu, 25 Feb 2021 11:02:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210225095322.GA5089@amd> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="X2DaQC4Il6WpjwIgQOqtq9KoVhMR3abcd" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --X2DaQC4Il6WpjwIgQOqtq9KoVhMR3abcd Content-Type: multipart/mixed; boundary="YZM2H7jd4XgYHrxtiacqjh2tEUVmut4TL"; protected-headers="v1" From: Thomas Zimmermann To: Pavel Machek Cc: intel-gfx@lists.freedesktop.org, kernel list , dri-devel@lists.freedesktop.org, rodrigo.vivi@intel.com, airlied@redhat.com, sean@poorly.run Message-ID: <4fb31ea5-ef20-4752-4782-8d9f1afdf51d@suse.de> Subject: Re: udldrm does not recover from powersave? Re: udldrmfb: causes WARN in i915 on X60 (x86-32) References: <20210224200912.GA27905@duo.ucw.cz> <452585d5-9d18-f5a8-9d6b-6d39aa037480@suse.de> <20210225095322.GA5089@amd> In-Reply-To: <20210225095322.GA5089@amd> --YZM2H7jd4XgYHrxtiacqjh2tEUVmut4TL Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi Am 25.02.21 um 10:53 schrieb Pavel Machek: > Hi! >=20 >>> This is in -next, but I get same behaviour on 5.11; and no, udl does >> >> Thanks for reporting. We are in the process of fixing the issue. The l= atest >> patch is at [1]. >> >=20 > Thank you, that fixes the DMA issue, and I can use the udl. >=20 > ...for a while. Then screensaver blanks laptop screen, udl screen > blanks too. Upon hitting a key, internal screen shows up, udl does > not. >=20 > I try rerunning xrandr ... --auto, but could not recover it. >=20 > Any ideas? Did it work before the regression? For testing, could you please remove the fix and then do git revert 6eb0233ec2d0 This would restore the old version. Please report back on the results. Best regards Thomas >=20 > Best regards, > Pavel >=20 >=20 > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel >=20 --=20 Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 N=FCrnberg, Germany (HRB 36809, AG N=FCrnberg) Gesch=E4ftsf=FChrer: Felix Imend=F6rffer --YZM2H7jd4XgYHrxtiacqjh2tEUVmut4TL-- --X2DaQC4Il6WpjwIgQOqtq9KoVhMR3abcd Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEExndm/fpuMUdwYFFolh/E3EQov+AFAmA3dZoFAwAAAAAACgkQlh/E3EQov+Br KxAAgPufHafAtmMNZlOnuAFEDBVUSZ387D84R7WQiL7IhVN/HAaO/NZ2/qdIoUelN404JwuEv73b /gGqJAhq3HpCgJfMC1dzb8ZMlW9zMISrl1F9orlB41mAFk/VzVI/2gup4tEa1OW3Nz99XApZ8qTN c4K4Qi+VfMLhL//h1Ft5BbZ8rF50MV9V2XAIldxGSkI6GoT3ATfP5mreTMGdjdXEIC7SK7fjoz0R hBJMiY2gAdDJ0CoyKmMwaXc+iJt2QMDLWLrEiYSoQbt8x0FcsjTOLu6ATcRFiUBqyQfIqN5iR+R8 YWeUcWJdNweSHG1ExQUoRuTHUI5pRHioYfML6jENDgbrWfEPvgYCJ2aeDRoXgpRCauG2EyqxzjJ9 /bEuLI2U2rF2E/546DRTC91oZDCYWoKuSLrso/LtO7kRAROz+/KAcuf8fC1Q0AFyVilEekpyMKU/ wWxzZWLcQP21zwEw0XcIMvV3e8iK3NS/OsZb1coapec3E41MtyZgRM/dbEbsaC0GpW5sx77qbt51 hQDlXMR//LJa6oELZEEt80Mjg7H2R5aMeoyRKf2phpx3+SGwBFlkso+vhs2kcZ8Jy+k7mmsIxcxH wjUIqhF2+JdoJSGZDQ8mSL+TpBJl6b6UNto79ANLhGomVSN5zotvVAwfd0Z/X0XucGajhoxQTH7W 1ZA= =tm2M -----END PGP SIGNATURE----- --X2DaQC4Il6WpjwIgQOqtq9KoVhMR3abcd--