Mailinglist Archive: radeonhd (529 mails)

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Re: [radeonhd] ATI Radeon HD 2600 PRO (in an iMac 24" aluminium)
  • From: Matthias Hopf <mhopf@xxxxxxx>
  • Date: Tue, 4 Dec 2007 17:40:25 +0100
  • Message-id: <20071204164025.GA7612@xxxxxxx>
On Dec 01, 07 13:09:48 +0100, Ludovic Rousseau wrote:
2007/11/28, Matthias Hopf <mhopf@xxxxxxx>:
(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...

I have to add here: I have *no* idea why this image size has precedence
over the main image size. I guess some other monitor got it wrong the
other way, and this kludge was introduced without asking anybody else.
This is done in the general (read: non-driver-specific) RandR code.

But that is just wild guessing. Maybe something to ask on xorg-devel.

I tried to set the physical display in my xorg.conf (attached).
(II) RADEONHD(0): Setting screen physical size to 262 x 324
(...)

Why is radeonhd not using my settings?

You're now stumbling over a bug that is related to Xserver 1.4 (assuming
you run that one), which has been fixed in git. AFAIR.
Nothing radeonhd related.

Is the driver using a different monitor from the one I configured
(called panel24)?

Nope. RandR is just ignoring the displaysize of a configured monitor
(and only that).

Sorry, I know this is painful. You're not the first to stumble over
that.

Matthias

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