Mailinglist Archive: radeonhd (699 mails)

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Re: [radeonhd] ATI Radeon HD 2600 PRO (in an iMac 24" aluminium)
  • From: Matthias Hopf <mhopf@xxxxxxx>
  • Date: Wed, 28 Nov 2007 18:13:28 +0100
  • Message-id: <20071128171328.GF27261@xxxxxxx>
On Nov 28, 07 16:41:50 +0100, Ludovic Rousseau wrote:
$ xrandr
Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 1920 x 1920
DVI-I_1/digital disconnected
DVI-I_1/analog disconnected
PANEL connected 1920x1200+0+0 262mm x 324mm
1920x1200 60.2*+
TV_7PIN_DIN disconnected


The screen width physical size is still 262mm instead of something like 524mm.

I assume this is the monitor lying to you. Is the 324mm ok?
In that case, you'll have to specify the dimension of the screen
manually in xorg.conf

(II) RADEONHD(0): Max H-Image Size [cm]: horiz.: 52 vert.: 32

Hm, that looks ok...
I'm not doing anything with the EDID data, this is base RandR's
behavior. Still:

(II) RADEONHD(0): Supported additional Video Mode:
(II) RADEONHD(0): clock: 156.0 MHz Image Size: 262 x 324 mm

Ah, there it gets it from. So the monitor is lying in its additional
video mode image size, and that one has precedence over the general info
block...

Until we have a *real* monitor-specific quirk database, I'm sorry but
you have to configure that manually. I wouldn't dare to design a logic
that sometimes takes the one value, sometimes the other. This is prone
to fail.

Matthias

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