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Altera_Forum
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21 years ago

frame buffer

Hi, I wrote a simple frame buffer driver for my LCD controller in uClinux 2.6.9. My video card shares your memory with system memory. How can I alloc video card memory in kernel space? I ...
Altera_Forum's avatar
Altera_Forum
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21 years ago

Look into the function __get_free_pages(unsigned int flags, unsigned int order) -- it's described in Linux Device Drivers 3rd edition (published by O'Reilly press and supposedly freely available somewhere, but I've never found where).