Re: [PATCH] ARM: omapfb: Add early framebuffer memory allocator

From: Pavel Machek
Date: Fri Dec 27 2013 - 04:48:13 EST

On Thu 2013-12-26 01:12:39, Ivaylo Dimitrov wrote:
> From: Ivaylo Dimitrov <freemangordon@xxxxxx>
> On memory limited devices, CMA fails easily when asked to allocate big
> chunks of memory like framebuffer memory needed for video playback.
> Add boot parameter "omapfb_memsize" which allocates memory to be used
> as dma coherent memory, so dma_alloc_attrs won't hit CMA allocator when
> trying to allocate memory for the framebuffers
> Signed-off-by: Ivaylo Dimitrov <freemangordon@xxxxxx>

Hmm, would it make sense to add a parameter to reserve certain ammount
of memory for CMA? omapfb is probably not the only user hitting
(cesky, pictures)
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