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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 78990C433ED for ; Mon, 10 May 2021 20:50:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44C87613EE for ; Mon, 10 May 2021 20:50:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232577AbhEJUvS (ORCPT ); Mon, 10 May 2021 16:51:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36688 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231672AbhEJUvN (ORCPT ); Mon, 10 May 2021 16:51:13 -0400 Received: from mail-il1-x12a.google.com (mail-il1-x12a.google.com [IPv6:2607:f8b0:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DFF7C061574 for ; Mon, 10 May 2021 13:50:08 -0700 (PDT) Received: by mail-il1-x12a.google.com with SMTP id m7so5942952ilg.9 for ; Mon, 10 May 2021 13:50:08 -0700 (PDT) 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=+OPH32eMyvWVljUKupcgNYrsp+22kITMh1bNgQuNG54=; b=Mxjxihzh//9zKcu9Ei/s7qpprfPr0u6IWd/fzG/27jG6O59oV+tfK4/196kyU31Vcl 3nSGBuQQvB66D/v7ppQcnRoAsabD/OhMkAkCh9ev8A3nkJhVCwYlm39d7pXdJ264+48s +HI1esCqRgNIuzrxE1+BCB3zfAROJXA/dbOBX5dOQRzeucERNZzChMSkYmrAYgdJV24b utcpquXLHT6v5hQWpDg18BYyfonggHceKG03q6Q1vlyEC8O/L162JWQjgIYAyMfLqq6y tW224WjoE6dM9wXytcfyTASLjZ9+hpH4WSr7e84wm+je4DzjYy3EXHk+FC0BiZccNGNI ojIg== 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=+OPH32eMyvWVljUKupcgNYrsp+22kITMh1bNgQuNG54=; b=V+DqsjrBmQbOo8OW8gXQ4Z+769Rhzcye5haNqwDuV1sZR5LS/vxUjexS0Z7587InvH q7+BHHFzqbEPJriHCL6h3zifsdBGs8N58WEM9AKIbgDafx8IECgdYFRbiNEwQkET12J4 nbcBqOuv0hXrOkvTDwssfY/JUL7RiITTByLC++o0gfLQ5sCAY1rhSDvbQEZTs2vEYwEE zc8sjlu5GIq21hYhYVX75eo3P5hTdRru8u3d7baW+6xyI3rDZZCrgQ7+00ZSE7cLczCg Xx9uxpFDWK+cWLn/PRHv9VOnjbOhUNt0Uuv4l45E/km5Qz58hj8f+uNg0c58sEuXxLg/ a7Pg== X-Gm-Message-State: AOAM531neoe4m1tljwZLYLMvyiSSUow0UwNWIJma09xFJWpzSALOPk8C 0XOta7Xgn/7jnwjOBgOw6+n1eRYWALZf5HDRAlU= X-Google-Smtp-Source: ABdhPJxECFuCLykYB7YKe0je6q9qiM93rrTQq38VoIiZuQvsqL5p9dNor139YkV9lGC/+C8bXFsEpZBY1+j4DckipRU= X-Received: by 2002:a92:d3c4:: with SMTP id c4mr21581909ilh.50.1620679807782; Mon, 10 May 2021 13:50:07 -0700 (PDT) MIME-Version: 1.0 References: <20210509044330.4655-1-pauldzim@gmail.com> <02957632-b050-f9eb-fcd8-75db9c92b8e0@ubuntu.com> In-Reply-To: <02957632-b050-f9eb-fcd8-75db9c92b8e0@ubuntu.com> From: Paul Zimmerman Date: Mon, 10 May 2021 13:49:42 -0700 Message-ID: Subject: Re: [Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure" To: Timo Aaltonen Cc: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 10, 2021 at 7:00 AM Timo Aaltonen wrote: > > On 9.5.2021 7.43, Paul Zimmerman wrote: > > This reverts commit 2bbd6dba84d44219387df051a1c799b7bac46099. > > > > Since 5.12-rc2, my Dell XPS-15 laptop has had a blank screen on boot. > > The system seems to run fine other than having no display, I am able > > to ssh into the machine. I don't see anything interesting in the dmesg > > log. I bisected the problem down to this commit, and reverting it fixes > > the problem. > > Have you tried with drm-tip? It has acca7762eb71bc0 which hopefully > helps here. I picked that one commit from the drm-tip tree (wasn't sure how to merge the entire tree into the kernel) and can confirm that it does fix the problem. Thank you! I hope the fix will be sent to Linus pretty soon, and it will need backporting to the 5.12 kernel as well. - Paul 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=BAYES_00,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, URIBL_BLOCKED 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 CCB3CC433B4 for ; Tue, 11 May 2021 12:10:09 +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 6B5C0615FF for ; Tue, 11 May 2021 12:10:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B5C0615FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 C2D3F6EA2A; Tue, 11 May 2021 12:10:01 +0000 (UTC) Received: from mail-il1-x134.google.com (mail-il1-x134.google.com [IPv6:2607:f8b0:4864:20::134]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8BAAE6E8E6 for ; Mon, 10 May 2021 20:50:08 +0000 (UTC) Received: by mail-il1-x134.google.com with SMTP id z1so7419583ils.0 for ; Mon, 10 May 2021 13:50:08 -0700 (PDT) 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=+OPH32eMyvWVljUKupcgNYrsp+22kITMh1bNgQuNG54=; b=Mxjxihzh//9zKcu9Ei/s7qpprfPr0u6IWd/fzG/27jG6O59oV+tfK4/196kyU31Vcl 3nSGBuQQvB66D/v7ppQcnRoAsabD/OhMkAkCh9ev8A3nkJhVCwYlm39d7pXdJ264+48s +HI1esCqRgNIuzrxE1+BCB3zfAROJXA/dbOBX5dOQRzeucERNZzChMSkYmrAYgdJV24b utcpquXLHT6v5hQWpDg18BYyfonggHceKG03q6Q1vlyEC8O/L162JWQjgIYAyMfLqq6y tW224WjoE6dM9wXytcfyTASLjZ9+hpH4WSr7e84wm+je4DzjYy3EXHk+FC0BiZccNGNI ojIg== 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=+OPH32eMyvWVljUKupcgNYrsp+22kITMh1bNgQuNG54=; b=g6P9EHHqj/rXtBEDIN8uXaD2jGCgRv+YIrw5UvhpPC47WAJT8mdz+bX+4I9/AEdwTo Qxk2Frrow7TDEtbJmZ9VOfE+vii7V1oOA6pw8b7+p7Z59zHfP0AI67OZ6cbWXBYOYNZ/ WvigbeHwXqIR8Iw929/7Wv/D8iujm+R7Wd1dmckcIjBnLDErNUpr39rktfiFTTgrfAP/ ADMGb4ePHjvOMyNyCRGozw1hPQOIeRvzLF6LIuPWALpvCYB+P1JdviPO8f6KioytEmpn O3A9LO+eO1tWTEgOod/sItnxY+EqjgS6J8cqAL56u1ETiq7LI0yK8jlE89QlY8RTje5N M6Ww== X-Gm-Message-State: AOAM530P6okO5Zq4D95R/wsmynFmx7yWkZGIcESwjT3g2nNpmNjpZeXP p667YDUvWQjVLsewCmcNEVkciTjj+zH6YBURmh8= X-Google-Smtp-Source: ABdhPJxECFuCLykYB7YKe0je6q9qiM93rrTQq38VoIiZuQvsqL5p9dNor139YkV9lGC/+C8bXFsEpZBY1+j4DckipRU= X-Received: by 2002:a92:d3c4:: with SMTP id c4mr21581909ilh.50.1620679807782; Mon, 10 May 2021 13:50:07 -0700 (PDT) MIME-Version: 1.0 References: <20210509044330.4655-1-pauldzim@gmail.com> <02957632-b050-f9eb-fcd8-75db9c92b8e0@ubuntu.com> In-Reply-To: <02957632-b050-f9eb-fcd8-75db9c92b8e0@ubuntu.com> From: Paul Zimmerman Date: Mon, 10 May 2021 13:49:42 -0700 Message-ID: To: Timo Aaltonen X-Mailman-Approved-At: Tue, 11 May 2021 12:09:59 +0000 Subject: Re: [Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure" 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@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Mon, May 10, 2021 at 7:00 AM Timo Aaltonen wrote: > > On 9.5.2021 7.43, Paul Zimmerman wrote: > > This reverts commit 2bbd6dba84d44219387df051a1c799b7bac46099. > > > > Since 5.12-rc2, my Dell XPS-15 laptop has had a blank screen on boot. > > The system seems to run fine other than having no display, I am able > > to ssh into the machine. I don't see anything interesting in the dmesg > > log. I bisected the problem down to this commit, and reverting it fixes > > the problem. > > Have you tried with drm-tip? It has acca7762eb71bc0 which hopefully > helps here. I picked that one commit from the drm-tip tree (wasn't sure how to merge the entire tree into the kernel) and can confirm that it does fix the problem. Thank you! I hope the fix will be sent to Linus pretty soon, and it will need backporting to the 5.12 kernel as well. - Paul _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx