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=-5.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 5FDEEC004D3 for ; Wed, 24 Oct 2018 08:57:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 27A7820824 for ; Wed, 24 Oct 2018 08:57:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="ETJ/DBQ+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 27A7820824 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727712AbeJXRZI (ORCPT ); Wed, 24 Oct 2018 13:25:08 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:44509 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727538AbeJXRZI (ORCPT ); Wed, 24 Oct 2018 13:25:08 -0400 Received: by mail-ed1-f68.google.com with SMTP id z21-v6so4259383edb.11 for ; Wed, 24 Oct 2018 01:57:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=sender:date:from:to:cc:subject:message-id:mail-followup-to :references:mime-version:content-disposition:in-reply-to:user-agent; bh=O3Cul3mSd4+G/ktVZiMosNjfwO7C986tqXSwvrAXdeo=; b=ETJ/DBQ+C8fGR7HJk0vZqARqOfpJZW9o/VdWu6+krf89flgqWlg43oK7MsPvZmB4Mb Jj3E3lHBbBywv/PU8VHLFucELihfQ63jaLb09oM9ldeTO8wFgjftrqLBfhCKMoWa2jB0 SBLMzIJ8/zjIin6jtsWNEhok7V0PYcHvDhFmk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mail-followup-to:references:mime-version:content-disposition :in-reply-to:user-agent; bh=O3Cul3mSd4+G/ktVZiMosNjfwO7C986tqXSwvrAXdeo=; b=m6PE7NKDTh4hYyyF3twkw39t8szsB9o7QMn2U0bh5W5bgkqbzh+GjUdHO8c8FuDf47 CdnbxgWCJ5ohibbwHx0j3dbCuekbaYBdupvVR3uRNs66/XSbAVA0qNz4pUkttCGfo6EB Ex91mIUcMW+pUzjuGR04M8ab1r+zXWGaLFSxg3rjqlka/D4UhkWSUsmFDBPo61ueHruY WvzZg33X5ZaqI571Z33zYfNr7i3ciqLGE0z9YfZ1kvp0iL/awRVB4nLchPkE/LyMfU+I 7Zjxu3YwWq4/eJk4ODh3l+LDaYMCvwwN1HoVsuhnSWXKcBeDUJzWRYA31wfMHJhh4JEm +CFg== X-Gm-Message-State: AGRZ1gK+UPNFK8seTuAQtXXm/tsXAHVBq3GGUXwkZVWOMYlSoum+D+jR wyPy32yN/Rxr64JTpShxODcGfw== X-Google-Smtp-Source: AJdET5dlUz1k1ONQeU7cad/XWivWrQcW3g7bcJAoMireXF1mwf8pxLyj9rTWpZU2SpxohjZXEPSrZA== X-Received: by 2002:a50:8bf6:: with SMTP id n51-v6mr9209758edn.41.1540371472912; Wed, 24 Oct 2018 01:57:52 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:569e:0:3106:d637:d723:e855]) by smtp.gmail.com with ESMTPSA id 31-v6sm1414744edr.12.2018.10.24.01.57.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 24 Oct 2018 01:57:52 -0700 (PDT) Date: Wed, 24 Oct 2018 10:57:50 +0200 From: Daniel Vetter To: Juston Li Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, mario.limonciello@dell.com, linux-kernel@vger.kernel.org, nathan.d.ciobanu@intel.com, jared_dominguez@dell.com Subject: Re: [Intel-gfx] [RESEND PATCH v2 0/2] Check MST topology change on resume Message-ID: <20181024085750.GK324@phenom.ffwll.local> Mail-Followup-To: Juston Li , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, mario.limonciello@dell.com, linux-kernel@vger.kernel.org, nathan.d.ciobanu@intel.com, jared_dominguez@dell.com References: <20181024021925.27026-1-juston.li@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181024021925.27026-1-juston.li@intel.com> X-Operating-System: Linux phenom 4.18.0-2-amd64 User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 23, 2018 at 07:19:23PM -0700, Juston Li wrote: > Updated and resending these patches from Lyude: > https://lkml.org/lkml/2016/5/19/361 > https://lkml.org/lkml/2016/5/19/360 > > As Lyude explains in patch 1/2, we can't rely on MST hubs to handle > hotplugs during suspend. This patchset will check if any EDID's changed > upon resume and reset the MST connections if they did. > > This resolves issues with monitors not being detected when hotplugging them > during suspend. > > Signed-off-by: Juston Li For formality, does this also imply a reviewed-by tag? For merging propably best we wait for the backmerge and the push these in through drm-misc-next-fixes. Well for drm-misc-next-fixes drm-misc maintainers need to roll the tree forward. Either way needs synchronization. Plus an ack from drm-intel maintainers. -Daniel > > Changes since v1: > - update functions that have been renamed since the original patch > - add a null check for the cached EDID in case a new device was added > - checkpatch fixes > > Lyude (2): > drm/dp/mst: Reprobe EDID for MST ports on resume > drm/i915/mst: Reset MST after resume when necessary > > drivers/gpu/drm/drm_dp_mst_topology.c | 94 ++++++++++++++++++++++++++- > drivers/gpu/drm/i915/intel_dp.c | 7 +- > 2 files changed, 99 insertions(+), 2 deletions(-) > > -- > 2.17.2 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch