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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 20932C4BA13 for ; Wed, 26 Feb 2020 15:43:46 +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 E48AA2468D for ; Wed, 26 Feb 2020 15:43:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="bSIG0Fz5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E48AA2468D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.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 3967E6EA95; Wed, 26 Feb 2020 15:43:45 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id BBB3E6EA95 for ; Wed, 26 Feb 2020 15:43:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582731822; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pu8d76+nc64GiFbqamUGWNYqGBAtpCetHXieX3Kk89g=; b=bSIG0Fz5a9ZW/tphnrpXHfNlnBWboQZ1atb4JXD0JGKUF56YDy31qoOThxhfgk/hLYee8G E1qY/jyr3ffIv4VDYICeUSi+fybXBVtHYJwK2rdYRdGWzNCAuXMNDqeEy+M2vJ2LDSD27o +A1BUGYtbrOWYdiaFujzT5fHnR1ppdU= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-75-Enj4m83qNlODNRqNOAcERA-1; Wed, 26 Feb 2020 10:43:36 -0500 X-MC-Unique: Enj4m83qNlODNRqNOAcERA-1 Received: by mail-wm1-f72.google.com with SMTP id b8so1224773wmj.0 for ; Wed, 26 Feb 2020 07:43:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=pu8d76+nc64GiFbqamUGWNYqGBAtpCetHXieX3Kk89g=; b=bbpw5iHPSTK7hyWSVS2KIGrtIsLNSDCk9SxHTgcUesuVp9XbHCI+S4gws+mHS9pzSY 2pD0yTJvhG1kdUS1fLPTIi8YkE5SADInbSqSdSzcLOO94zXGFGGdbOkdwE6AsiBuMS5V WQ2qqvCEmGR9SDU068tevH1YQtiPNzhWTf3HyF0wTIJNxINCizxH3PikOYxdLYqrzSm3 eEvjBwTirHofJ0Xn2vdsJi2pYk3BNBFra5ieZX7klOPYjNffUGBiJU3U73Z6taMfTgv5 10S+CnvohREwHAGa5m5kyrP3kxOneOu3ZDRxPcFupMdpzpFKub1befmVTmyh3k9S8klI 02Pg== X-Gm-Message-State: APjAAAWRzdpdz4IzUv8skSSfIKWSDO8+FD0fRB6o/2PW9h9zqcWLjIHN LXf+wX6oHbe7AdmIMIm2N74Zzi/SIk7cDOF6kFEq2YoznKkCJMPEdymkenXx8BMce3cjwnonp3b wPoLkcJnzlmU58loGpJTnHwMPT8qF X-Received: by 2002:a5d:604c:: with SMTP id j12mr6071574wrt.162.1582731814487; Wed, 26 Feb 2020 07:43:34 -0800 (PST) X-Google-Smtp-Source: APXvYqxT/GtB5+yJHr7v5nKV4qGMOwpqh6/27Czbhhcvt9khD56pVGwoe5MXNG86dMyhpF0gOjg1xw== X-Received: by 2002:a5d:604c:: with SMTP id j12mr6071558wrt.162.1582731814277; Wed, 26 Feb 2020 07:43:34 -0800 (PST) Received: from x1.localdomain (2001-1c00-0c0c-fe00-fc7e-fd47-85c1-1ab3.cable.dynamic.v6.ziggo.nl. [2001:1c00:c0c:fe00:fc7e:fd47:85c1:1ab3]) by smtp.gmail.com with ESMTPSA id t1sm3464482wrs.41.2020.02.26.07.43.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Feb 2020 07:43:33 -0800 (PST) Subject: Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up To: Alex Deucher References: <99213368-5025-8435-502b-3d23b875ca60@redhat.com> From: Hans de Goede Message-ID: Date: Wed, 26 Feb 2020 16:43:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi, On 2/26/20 4:29 PM, Alex Deucher wrote: > 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 Looks like you are right, reverting the commit which the bisect from that issue points to: cd82d82cbc04 ("drm/dp_mst: Add branch bandwidth validation to MST atomic check") Fixes the issue for me. I will add a comment to the issue. Note I'm using integrated Intel gfx, so that means that this issue definitely is not amdgpu specific. Regards, Hans >> 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 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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 9AD23C4BA14 for ; Wed, 26 Feb 2020 15:43:47 +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 64CA32468E for ; Wed, 26 Feb 2020 15:43:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="i1Syo3kg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64CA32468E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A88CF6EA97; Wed, 26 Feb 2020 15:43:45 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id BE0C46EA95 for ; Wed, 26 Feb 2020 15:43:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582731823; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pu8d76+nc64GiFbqamUGWNYqGBAtpCetHXieX3Kk89g=; b=i1Syo3kg5wjEZkzBHgisywCsq5d0YekhLKH+0jdYMrgMOcyjH5cOl8AeJSYk7/WeHbsggl qP4PcpwEaprt6D0yIWAE1XauR8uTJ5CE16t5Au89D9aYauNIkaFkbp3cKh5rnDR3SMyu46 cYcL2r6QBnAJweYGnGrxnR1AF+Bfzvs= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-477-hTr4YmZQNjmZnmjkix1Dow-1; Wed, 26 Feb 2020 10:43:35 -0500 X-MC-Unique: hTr4YmZQNjmZnmjkix1Dow-1 Received: by mail-wm1-f69.google.com with SMTP id t17so787043wmi.7 for ; Wed, 26 Feb 2020 07:43:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=pu8d76+nc64GiFbqamUGWNYqGBAtpCetHXieX3Kk89g=; b=kXBW+nu6+PUtqf3o5TP3Z2xVxkiiQbeACSssQKWsU55SKW7YyvLOjV3iC6qvT6pCEA 8N7TZoe8WWCSmhleFmBYIo9/xUdF19qCH8J6U0kaRo7qPh57UPWvyGxFGkM3Dqi58XoU zHOTWiiFXjXC9YtgpFvy97egv0V/ehl3Kve9zugegSdihM9vHnPORZE1pEP2gYcQUVHT e+UV0yCndG1BPuPiRnBwtmXgIz4EXP4z67agQt/3rlfvtdW6pF7iF59tKBNQmGNI6+y3 xV5ah9Z02rbZN0JsVrKQ9CSNWQ3G88A50RZwpjHV4KqAcVevb6M4IzaNwnjIvGnQbYl7 nRcg== X-Gm-Message-State: APjAAAUsaQ2ncSMxdyCbM9YgCsDgyt0ZowIe2sF84OvBTkYSisoC6jjd UVuYp1rjPdEB9WZvI/sl6jI4dmw7OZ2bunMKHIiaxksa3Ok1MgVA9xjt3/vJ6w8LL0G6z/wevSe lCrmFv0tviZ6g94wfGhRwTm8/y6iV X-Received: by 2002:a5d:604c:: with SMTP id j12mr6071572wrt.162.1582731814485; Wed, 26 Feb 2020 07:43:34 -0800 (PST) X-Google-Smtp-Source: APXvYqxT/GtB5+yJHr7v5nKV4qGMOwpqh6/27Czbhhcvt9khD56pVGwoe5MXNG86dMyhpF0gOjg1xw== X-Received: by 2002:a5d:604c:: with SMTP id j12mr6071558wrt.162.1582731814277; Wed, 26 Feb 2020 07:43:34 -0800 (PST) Received: from x1.localdomain (2001-1c00-0c0c-fe00-fc7e-fd47-85c1-1ab3.cable.dynamic.v6.ziggo.nl. [2001:1c00:c0c:fe00:fc7e:fd47:85c1:1ab3]) by smtp.gmail.com with ESMTPSA id t1sm3464482wrs.41.2020.02.26.07.43.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Feb 2020 07:43:33 -0800 (PST) To: Alex Deucher References: <99213368-5025-8435-502b-3d23b875ca60@redhat.com> From: Hans de Goede Message-ID: Date: Wed, 26 Feb 2020 16:43:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: Re: [Intel-gfx] 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx , "dri-devel@lists.freedesktop.org" Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi, On 2/26/20 4:29 PM, Alex Deucher wrote: > 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 Looks like you are right, reverting the commit which the bisect from that issue points to: cd82d82cbc04 ("drm/dp_mst: Add branch bandwidth validation to MST atomic check") Fixes the issue for me. I will add a comment to the issue. Note I'm using integrated Intel gfx, so that means that this issue definitely is not amdgpu specific. Regards, Hans >> 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 > _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx