On Tue, 2002-04-09 at 20:37, Jing Xu wrote:
I have two graphic cards in my box, one is ATI Rage
XL(PCI) and one is ATI Radeon VE QY(AGP). I would like
to control the AGP card from a kernel module we have
written (which displays on a projector) and I would
like to let X control the PCI card (which displays on
a flat panel monitor). While in console mode the
kernel module correctly displays images using the
AGP card and the message ATI Rage SDRAM BIOS P/N
113-72307-100 4.330 is displayed using the PCI card.
We used the vesafb driver to configure the AGP
card (primary card according to BIOS) to the desired
mode of 1024x768.
The problem begins when we use startx. The PCI
controlled monitor starts X correctly but our
kernel module no longer has control of our AGP card
(no image displays on projector).
Does any know why X seems to be taking our control
of the AGP card away?
The X server disables graphics chips it doesn't use because they can
cause problems otherwise. That should be relatively easy to hack around
though if you're confident it should work with your configuration.
--
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member / CS student, Free Software enthusiast
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