[mythtv-users] Latest Intel Drivers and HD on G915 (works) and G965 (video tearing)

[Calin Brabandt]

> Follow guide here:
> http://intellinuxgraphics.org/install.html

> I needed to install Xserver 1.3 from Fedora
> development. I'm running FC6 on the 915 and Fedora
> 7-Test4 on the 965. A recent distro probably already
> has Agpgart in the kernel.

> I installed over the old drivers (${XORG_DIR} ==
> /usr).

> For the G965 and G915, I needed to build Mesa for
the
> target i915tex too or nv would not work. This seems
> strange because the G965 only supports texture mode
> and does not support the older legacy mode, despite
> what "man intel" says. At least that's what the
> evidence indicates to me.

> cd mesa
> # edit linux-dri file to set build target: DRI_DIRS
=
> i915tex i965

> or

> DRI_DIRS = i915tex i915 (for the G915)
>
> Also, contrary to the Intel README, GLX and DRI are
> loaded automatically by the driver and must not be
> loaded in xorg.conf. If you have

> Section "Module"
> Load "glx"
> Load "dri"
> EndSection

> comment them out or DRI won't work right (you won't
> get nv or DRM).

> As always,check configuration with:

> export LIBGL_DEBUG=verbose
> glxinfo
> glxgears

When bulding Mesa for i915tex with ${XORG_DIR}=/usr,
I discovered that I needed to tell the Mesa makefile
where to find pkgconfig: 

export PKG_CONFIG_PATH=/lib/pkgconfig:$PKG_CONFIG_PATH

Maybe I don't understand the guide at 
http://intellinuxgraphics.org/install.html
but it seems like this should not be necessary 
when installing to /usr.  Without the environment
variable, the i915tex build resulted in a defs 
conflict, but I suspect the PKG_CONFIG_
PATH must be explicitly set for the other build 
targets too.

http://bugs.freedesktop.org/show_bug.cgi?id=10892

I hope this helps any other Myth users who 
are interested in checking out the latest
Intel drivers.

-Cal


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com