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Altera_Forum's avatar
Altera_Forum
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16 years ago

Frame buffer/nano-X speed issues.

Hi, until now we have been ignoring the fact that the video update rate using the frame buffer wiki and a neek is slow. Has anyone looked into this enough to figure out where the bottleneck is? Has...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

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You can modify the kernel driver altfb to use cached display memory instead of the uncached ioremap. It will be a lot faster.

- Hippo

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Hi Hippo,

would like to know what modification have to be done exactly, to use a cached display memory?

Thx

D.