linux-kernel - Re: linux: REGRESSION: drm: cmdline EDID override mechanisms broken since 4.15

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Message-ID: <10df62228da4824d65f3f4765657ef776833d12c.camel@bonedaddy.net>
Date:   Thu, 16 Aug 2018 10:29:32 +0800
From:   Paul Wise <pabs3@...edaddy.net>
To:     Jani Nikula <jani.nikula@...el.com>
Cc:     Abdiel Janulgue <abdiel.janulgue@...ux.intel.com>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Gustavo Padovan <gustavo@...ovan.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: linux: REGRESSION: drm: cmdline EDID override mechanisms
 broken since 4.15

On Wed, 2018-08-15 at 13:25 +0300, Jani Nikula wrote:

> Please file a bug over at [1], describe the symptomps of how it doesn't
> work (black screen, wrong mode, what?), add drm.debug=14 module
> parameter, attach dmesg for before/after the bisected commit.

Filed the bug here:

https://bugs.freedesktop.org/show_bug.cgi?id=107583%27

> Does adding video=VGA-1:e parameter make a difference?

That works around the issue. I assume this means the VGA will always be
enabled even if it is not plugged in?

-- 
bye,
pabs

https://bonedaddy.net/pabs3/

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