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=-0.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 CFFE3C4BA14 for ; Wed, 26 Feb 2020 15:29:53 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A792E21D7E for ; Wed, 26 Feb 2020 15:29:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QoaIl+XW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A792E21D7E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 057486EA86; Wed, 26 Feb 2020 15:29:53 +0000 (UTC) Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by gabe.freedesktop.org (Postfix) with ESMTPS id 914616EA64; Wed, 26 Feb 2020 15:29:51 +0000 (UTC) Received: by mail-wm1-x32d.google.com with SMTP id a9so3611487wmj.3; Wed, 26 Feb 2020 07:29:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=42KHgmQ3WJJCDSs2lFdzrd9UKRI9CPBRK7iXYUlkDVM=; b=QoaIl+XWAFZQC/VaFm5Msd6O0gRMJQ6REYT1F7nA5BuySYBIGOCz5Y6fdf+3V7rFqm RWwgcNSNiYkQtGqEkYkzbg2r+WxYKsc0lV0Xk1pLvK7jU4MsWy3YcwByRjDDRKX7zH+b HN/tqg9OqnTGOjZNEnfNTSLqqzAC34b7k0aJ9RbF0llwB4rtXxuAI9X3OhlKPETH4K30 0eg2GfNzzmUU8yjvhnpL3ekXnd2aPGxQ2cYFlb1hJPzNjbFBTf9HuhyTDl6RZ26/9l1s GG/i+uHPUVfCY3pVSPdBwwJE4O9Vx6tfHUJP+6Mqys3ngpEzimK6bEEnxi371zrRwPTL zCCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=42KHgmQ3WJJCDSs2lFdzrd9UKRI9CPBRK7iXYUlkDVM=; b=Yu4W4TeJ+smGVm8G8P2FvpBjkezfYNyae1enBv4GcmDhmhZmAnDkivnLAhEXNwClAi FuRKSeLtHRoVaeAGEeq+8timXBFlhc9uwmUlgvucBiyQoSlIzKUnDHj7keHAEUexB/iQ 9D5OtntaDdWWR8YB1IT+AwUr9dYpWESeiPh2z1lxCcr8XNR3gGdiY626pcVbfEQEJ/YB TXeJ1s7L46R++CUco4ndJp7YlK6/vOp6MZ6tChux7ltcArYtCjvLpF9bUTWdievKl0sE HuzhUwEE+HR8f5rrxW5sw7tIiV5VrRyy53bx8GBB+1BkfA+di46U5a7SiMs2XEAKpipp GpWA== X-Gm-Message-State: APjAAAWYP3bD5PDmsYlvHmoPNOYsFgX02HEGwmaSqFXFSvKZQ0X17GIM rF825m6FJHNUxWSQvQR6F7LK7LHuP6utfQmADnM= X-Google-Smtp-Source: APXvYqw68SOvfcoaRlGQ3+wlhjdmVR5v2rwIPenz4+4L+x/03gaXTwxCJqpxRVduyHcZZ+0pR2kKQ+nNQdlc3w04hBI= X-Received: by 2002:a1c:f009:: with SMTP id a9mr6131079wmb.73.1582730990267; Wed, 26 Feb 2020 07:29:50 -0800 (PST) MIME-Version: 1.0 References: <99213368-5025-8435-502b-3d23b875ca60@redhat.com> In-Reply-To: <99213368-5025-8435-502b-3d23b875ca60@redhat.com> From: Alex Deucher Date: Wed, 26 Feb 2020 10:29:38 -0500 Message-ID: Subject: Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up To: Hans de Goede X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx , "dri-devel@lists.freedesktop.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede wrote: > > Hi Lyude and everyone else, > > Lyude I'm mailing you about this because you have done a lot of > work on DP MST, but if this rings a bell to anyone else feel > free to weigh in on this. Might be a duplicate of: https://gitlab.freedesktop.org/drm/amd/issues/1052 Alex > > I'm currently using a Lenovo X1 7th gen + a Lenovo TB3 gen 2 dock > as my daily rider for testing purposes. When 5.6-rc1 came out I > noticed that only 1 of the 2 1920x1080@60 monitors on the dock > lights up. > > There are no kernel errors in the logs, but mutter/gnome-shell says: > > gnome-shell[1316]: Failed to post KMS update: Page flip of 93 failed > > With 93 being the crtc-id of the crtc used for the monitor which is > displaying black. Since then I've waited for 5.6-rc3 hoping that a > fix was already queued up, but 5.6-rc3 still has this problem. > > gnome-shell does behave as if all monitors are connected, so the > monitor is seen, but we are failing to actually send any frames > to it. > > I've put a log collected with drm.debug=0x104 here: > https://fedorapeople.org/~jwrdegoede/drm-debug.log > > This message stands out as pointing to the likely cause of this problem: > > [ 3.309061] [drm:intel_dump_pipe_config [i915]] MST master transcoder: > > Regards, > > Hans > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel