Messages in this thread | | | Date | Fri, 27 Dec 2013 10:48:01 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] ARM: omapfb: Add early framebuffer memory allocator |
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On Thu 2013-12-26 01:12:39, Ivaylo Dimitrov wrote: > From: Ivaylo Dimitrov <freemangordon@abv.bg> > > 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@abv.bg>
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 this...? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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