#661943 - xserver-xorg-video-radeon: Unable to set native resolution with KMS enabled

Debian Bug report logs - #661943
xserver-xorg-video-radeon: Unable to set native resolution with KMS enabled

Reported by: Christopher Dow <[email protected]>

Date: Fri, 2 Mar 2012 20:33:02 UTC

Severity: important

Found in version xserver-xorg-video-ati/1:6.14.3-2

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Date: Sun, 4 Mar 2012 17:36:52 -0500
Message-ID: <CADnq5_PTiDg2+ZP0BvRfHey6sEQyut1KyWq0forgffrSXu==LA@mail.gmail.com>
Subject: Re: Bug#661943: xserver-xorg-video-radeon: Unable to set native
 resolution with KMS enabled
From: Alex Deucher <[email protected]>
To: Christopher Dow <[email protected]>, [email protected]
Cc: Debian Bug Tracking System <[email protected]>
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On Fri, Mar 2, 2012 at 3:30 PM, Christopher Dow <[email protected]> wrote: > Package: xserver-xorg-video-radeon > Version: 1:6.14.3-2 > Severity: important > > I am unable to set the the native resolution of my monitors with KMS enabled. Whenever I try to set the native resolution, the monitor displays the following message message (with <resolution> replaced with the apropriate native resolution: > > "The current input timing is not supported by the monitor display. Please change your input timing to <resolution> or any other monitor listed timing as per the monitor specifications." > > I have two monitors ('Dell P2210' and a 'Dell P2010H'). I am not able to the native resolution for either of these monitors. You can find the specifications for these monitors here: > > http://support.dell.com/support/edocs/monitors/P2210/en/ug/about.htm#Specifications > http://support.dell.com/support/edocs/monitors/P2010H/en/ug/about.htm#Specifications > > Whenever boot into Debian, I get this same message for a few seconds and then the display goes to a lower resolution. I also get the same message if I try to switch to any of the virtual terminals. > > If I disable KMS, I am able to set the native resolution for both of these monitors (however, then I can't set my desktop to span 2 monitors but that is probably a different issue). > [ 13.127] (II) RADEON(0): Output DisplayPort-0 connected [ 13.127] (II) RADEON(0): Output DisplayPort-1 connected [ 13.127] (II) RADEON(0): Using fuzzy aspect match for initial modes [ 13.127] (II) RADEON(0): Output DisplayPort-0 using initial mode 1152x864 [ 13.127] (II) RADEON(0): Output DisplayPort-1 using initial mode 1152x864 The xserver (not the driver) is picking 1152x864 since it's the largest common mode supported by both monitors. You'll have to use xrandr to choose a different mode (or specify different default modes in your xorg.conf). Alternatively, you can start up X with one monitor attached and then enable the second one manually with xrandr. Alex

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Debian Bug report logs - #661943 xserver-xorg-video-radeon: Unable to set native resolution with KMS enabled

Debian Bug report logs - #661943
xserver-xorg-video-radeon: Unable to set native resolution with KMS enabled