[gentoo-user] ATI driver, tvout, blue video window

[gentoo-user] ATI driver, tvout, blue video window

[Alan E. Davis]

I have installed gentoo on a gateway laptop, with an ATI mobility 9000
radeon video adaptor.  Once I have xorg installed, and ati-drivers
(proprietary), tvout was pretty easy to set up using ati's setup
utility, fglrxconfig and a couple of easy changes to
/etc/X11/xorg.conf.

However, I am having trouble trying to show my classes a dvd, because
on the TV, the video frame is completely solidly dark blue.

Preliminary investigation suggests this may be related to "xv".  I
don't understand this, and my attempts to edit some parameters in
xorg.conf have failed.   I followed an instruction on one of the
howtos or faqs to not enable dri in the kernel.

Where can I find a relatively understandable explantion of this
effect?  I saw a similar behavior with xinerama and a Matrox G450 with
two heads: one head didn't show the graphics in the frame in some
cases.

Thanks!

Alan Davis

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[gentoo-user] Re: ATI driver, tvout, blue video window

[Michael Mauch]

Alan E. Davis wrote:

> I have installed gentoo on a gateway laptop, with an ATI mobility 9000
> radeon video adaptor.  Once I have xorg installed, and ati-drivers
> (proprietary), tvout was pretty easy to set up using ati's setup
> utility, fglrxconfig and a couple of easy changes to
> /etc/X11/xorg.conf.
> 
> However, I am having trouble trying to show my classes a dvd, because
> on the TV, the video frame is completely solidly dark blue.
> 
> Preliminary investigation suggests this may be related to "xv".  I
> don't understand this, and my attempts to edit some parameters in
> xorg.conf have failed.

Yes, a blue window is typical for xv output on a device that can't do
xv. You have to tell your player that it should use some other output
driver. E.g. with mplayer you could use -vo x11. If you use some other
player, you will find the right option in its menus.

> I followed an instruction on one of the howtos or faqs to not enable
> dri in the kernel.

That's something different, you should revert that.

> Where can I find a relatively understandable explantion of this
> effect?  I saw a similar behavior with xinerama and a Matrox G450 with
> two heads: one head didn't show the graphics in the frame in some
> cases.

The second head is unaccelerated (at least on my G400), so you can't use
any "fancy stuff" like xv or OpenGL there.

Regards...
		Michael
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Re: [gentoo-user] Re: ATI driver, tvout, blue video window

[Holly Bostick]

Michael Mauch schreef:
> Alan E. Davis wrote:
> 
>> I followed an instruction on one of the howtos or faqs to not 
>> enable dri in the kernel.
> 
> 
> That's something different, you should revert that.
> 
> 

Michael, that's wrong, for the fglrx drivers-- they won't install or run
if the kernel DRM is enabled.

The drivers contain their own DRI, which will not load if the kernel DRI
is loaded already (which it will if it is enabled in the kernel at all).

The install script actually checks the kernel's .config (this is why the
kernel source to which /usr/src/linux points must have a valid config
file, even if it is not yet compiled or installed, in order to install
the fglrx drivers) to see if the option is enabled, and halts
installation if it is found as either Y or M.

Holly
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