[Xorg-driver-geode] [Bug 433142] Re: geode driver do not display 1024x600 on (K)UNR Karmic

[Huang, FrankR]

Martin,
	I also suspect that you reverted my patch "simplify the mode_valid_function" is wrong with the same reason. That patch has no wrong.

Thanks,
Frank

> -----Original Message-----
> From: bounces at canonical.com [mailto:bounces at canonical.com] On Behalf Of
> frank huang
> Sent: 2010年11月19日 14:31
> To: Huang, FrankR
> Subject: [Bug 433142] Re: geode driver do not display 1024x600 on (K)UNR
> Karmic
> 
> I figure out the reason from your log.
> Please see the line in the log:
>    (II) GEODE(0):  VSA Panel Mode is: 800x600, pixel clock freq(kHz) is
> 40000
> The platform ret value is 2. So entry 2 will be used(800x600 at 60). When
> this entry is used, most of the modes will be prunde by X server. And you
> will see only three modes are supported. It is because BIOS setting for
> the default mode error, not caused by driver!
> It is very easy to give a quick fix. Set the ret value in
> LXGetLegacyPanelMode() to 7 manually in driver. Then 1024x600 will be
> supported and other resolution will appear(such as 1024x768).
> i.e. in lx_panel.c
>                    ...
>                    */
>                 + ret = 7;
>                    if (ret < 8) {...
> 
> Give a try and let me know the result.
> If everything is fine. Change the BIOS to use correct entry.
> 
> Thanks,
> Frank
> 
> --
> geode driver do not display 1024x600 on (K)UNR Karmic
> https://bugs.launchpad.net/bugs/433142
> You received this bug notification because you are a direct subscriber
> of the bug.
> 
> Status in “xserver-xorg-video-geode” package in Ubuntu: In Progress
> 
> Bug description:
> Geode driver do not display 1024x600 resolution in (K)UNR Karmic.
> Actually, the bug also affects Jaunty, but doesnt affect Intrepid.
> 
> I used to use a custom xorg.conf in intrepid, but it doesnt work on Jaunty
> or Karmic. In Jaunty and karmic, I could only use 1024x768 whick makes the
> screen bigger than the real display and is impossible to open new programs,
> specially in the menus (they simply disapear in the bottom of the screen).
> 
> Further investigations on other distros made me think this is a regression
> from the xserver-xorg-video-geode 2.10.1-2. This bug affects all drivers
> from 2.10.1 (which is in Intrepid). In fact, Debian Lenny (that uses geode
> 2.10.1-2) works perfectly, VectorLinux 6.0 lite (that uses geode 2.9 - i
> think), also works. Jaunty (geode 2.11.1-1) and Karmic (2.11.4.1-1) dont
> work, they only display 1024x768...
> 
> Actually, when I use the automatic configuration in Jaunty and Karmic
> (with no xorg.conf), the screen really seems to be 1024x768, but when I
> use the custom xorg.conf (the same I use in Intrepid), the screen seems
> different... like it was 800x768 (I know it's wierd, but it doesnt seem to
> be 1024x768 at all - everything is really ugly).
> 
> Hope it will work in Karmic in time.
> Thanks in advance.
> 
> [lspci]
> 00:01.1 VGA compatible controller [0300]: Advanced Micro Devices [AMD]
> Geode LX Video [1022:2081]
>     	Subsystem: Advanced Micro Devices [AMD] Geode LX Video [1022:2081]
> 
> 
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