[RFC PATCH] KMS support for i.MX51/53

Sascha Hauer s.hauer at pengutronix.de
Tue Jun 7 12:12:06 PDT 2011

On Tue, Jun 07, 2011 at 12:17:01PM +0100, Alan Cox wrote:
> > Currently I don't use any sophisticated memory allocater like GEM
> > or similar. I helped myself with simple dma_alloc where needed. At
> GEM is actually pretty sane when you get your head around it a spot. The
> main thing it took me a bit of time to get my head around is that it
> allocates backing memory and handles but it doesn't allocate address
> space on the card side.

I'm not sure I understand you correctly. I have no address space on the
card side since my 'card' just uses main memory. The memory I need must
be a physically contiguous portion of sdram. I'm afraid shmem backing
memory is not of much use for me.

Correct me if I mix things up...


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