How to over-ride the autoconfigured Device-section?
harald at iki.fi
Tue Feb 5 23:47:50 PST 2013
On Tue, 5 Feb 2013, Felix Miata wrote:
> On 2013-02-05 15:15 (GMT+0200) Harald Hannelius composed:
>> I'd like to try out a few options for the radeon-driver, but I can't for my
>> life figure out why my custom conf-file in /usr/share/X11/xorg.conf.d is
>> The file looks like this;
>> # cat 53-radeon.conf
>> Section "Device"
>> Driver "radeon"
>> #Identifier "Device0"
>> #Identifier "Configured Video Device"
>> #Identifier "Default Device"
>> Identifier "ATI Radeon HD 5570"
>> #Identifier "RADEON(0)"
>> BusID "PCI:0:1:0:0"
>> #ChipID 0x68d9
>> Option "SwapbuffersWait" "off"
>> # enable
>> Option "ColorTiling" "on"
>> # enable
>> Option "ColorTiling2D" "on"
>> I seem to be unable to guess at what I should put in the Identifier line so
>> these changes get applied. The files gets read, a typo in it will make the
>> x-server unstartable.
> It may depend on customizations of the distro you use, but I have found that
> any changes you wish to make to video via xorg.conf.d/ require you connect
> device, monitor and screen via their identifiers. Look at
> http://fm.no-ip.com/Share/xorg.conf-minimal-EDID-workaround and/or
> http://fm.no-ip.com/Share/xorg.conf-minimal-force-DPI to see what I mean.
That's what I was suspecting as well. This makes it a little tougher since
I have double monitors and after moving over to using xrandr this got a
lot easier to configure than before.
I have a couple of generations of xorg.confs to cheat from though.
Life is a lot easier than in -95, at least modelines work out of the box
> Also remember when troubleshooting X video that /var/log/Xorg.#.log is your
> friend. It's probably telling you what's wrong.
It does :)
[ 16.873] (II) RADEON(0): SwapBuffers wait for vsync: enabled
What the log doesn't tell me however, is the Identifier for the
graphics-card. Or I'm unable to read it from the log.
There isn't any way to dictate options for the radeon driver, without
having to handcode sections for monitors and screens as well?
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