Re: kms howto - is there one?

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On 2010/03/17 14:56 (GMT-0600) Kevin DeKorte composed:

>> On Wed, 2010-03-17 at 16:24 -0400, Felix Miata wrote:

>>> Used to be able to set vga= on cmdline, and preferred resolution for X via
>>> xorg.conf. Now (with no EDID/DDC actually available to report display
>>> characteristics to the KMS kernel), how does one escape from 1024x768 in X -
>>> prior to starting X? I tried putting PreferredMode in xorg.conf, which failed
>>> to provide my selected mode in X. I also tried video="VGA-1:1600x1200@60" &
>>> vga=0x305 on cmdline. That gave 1600x1200 on tty[1-6], which I don't want,
>>> and (again) 1024x768 in X, which also I don't want.

> You can also try

> Option "IgnoreEDID" "true" to your xorg.conf file.

> Section "Device"
> 	Identifier  "Videocard0"
> 	Driver      "radeon"
> 	Option "IgnoreEDID" "true"
> EndSection

> I have to use this with my KMS switch that has the wrong EDID value for
> my older 19" CRT. The availability of this option may be driver dependent.

ATM, I'm working with Intel. According to Xorg.0.log, the Intel driver is
"not using" Options: IgnoreEDID, EDID, NoDDC, NoRandr & Preferred Mode,
apparently insisting I must use the horribly anachronistic 1024x768 on a
display capable of 4 times that resolution.
http://fm.no-ip.com/tmp/Linux/xorg.0.log.t2240-03-i845G-f13
http://fm.no-ip.com/tmp/Linux/xorg.conf.03-t2240-i845G-f13
-- 
"The wise are known for their understanding, and pleasant
words are persuasive." Proverbs 16:21 (New Living Translation)

 Team OS/2 ** Reg. Linux User #211409

Felix Miata  ***  http://fm.no-ip.com/
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