[PATCH] new radeon memory map fixes

Jesse Barnes jbarnes at virtuousgeek.org
Sat Feb 4 07:41:40 PST 2006


On Wednesday, January 25, 2006 3:43 pm, Benjamin Herrenschmidt wrote:
> Ok, so finally here is a new version of the patch. This time, it's
> against modular and it comes with a DRM patch. The X driver and the
> DRM patch should both work with the unpatched counterpart though
> you'll only get the full benefit of the fixes with both patches
> applied.

Ah, modular is *so* much nicer to work with.  I was able to just rebuild 
my ATI driver and test it out without too much pain.

> As I had to shuffle a lot of code around in the X driver, there may
> still be bugs lurking around. Especially look for regressions around
> Xinerama and MergedFB as I haven't yet had a chance to test with
> those (especially Xinerama is doing a lot of very dodgy stuffs in the
> radeon driver).
>
> Please, try to test all sort of combinations of color tiling on/off,
> dri enabled/disabled, bit depth, hw/sw cursor etc...

You mentioned that this might help with the VT switch problem on my 
pbook.  Unfortunately, it doesn't.  I have MergedFB off, but other than 
that I'm using stock settings.  The server seems to run ok, but if I 
switch to a console VT (ctl-alt-f1) then back to the X server 
(ctl-alt-f7) the machine hangs in a bad way and display gets corrupted 
(turns rainbow colors).

Is this a known bug?  Has anyone else seen this behavior?

Thanks,
Jesse



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