Lucian Muresan wrote:
> Jason Tackaberry wrote:
>> On Fri, 2007-01-12 at 23:31 +0800, mike lewis wrote:
>>> Before I go off to bed I just have to say that I figured out what the
>>> issue was.  vidix wasn't detecting the RAm size of my card.  So I hard
>>> coded the RAM size (from 16 to 32) and now there is not more artifacts
>>> on the screen. 
>>
>> Where did you hardcode this?
> 
> I think the proper way is not to hardcode it, but to apply the so-called
> "matroxfb-full-memory" kernel patch. Another useful patch might be the
> one called "matroxfb-g400-clock", I don't know why they haven't made it
> into the kernel for such a long time. You can find older versions of
> them in the 'patches' directory of the DirectFB source, and I guess they
> apply to recent kernels too, or you can easily adapt them by hand. If
> you prefer, you can use mine attached in this message, already adapted
> for 2.6.18 (should also apply to 2.6.19), the one called
> linux-2.6.18_matroxfb-address-ioctl_v3.diff is necessary for newer
> versions of DirectFB.

I wouldn't use the "matroxfb-g400-clock" patch, Villi recommended to use
it and I tried it recently and it fucked up the driver big time. May be
it depends on the card a bit, mines a DH with sdram.

The "matroxfb-full-memory" is good though.

Duncan


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