steven.zhang wrote:
On Wed, 2008-05-07 at 11:49 +0200, Matthias Welwarsky wrote:
Yes, I think, we should not allocate frame buffer memory dynamic.Map a fix
memory area before kernel start?
I'm afraid so, yes. I've been trying to use dma_alloc_coherent()
And your suggestion? Is there a better API to allocation the DMA
memory?Thanks.
See http://lwn.net/images/pdf/LDD3/ch08.pdf section on "Acquiring a
Dedicated Buffer at Boot Time".
Bernard.
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