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

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  Re: [PATCH] ARM: omapfb: Add early framebuffer memory allocator Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2015-12-25 14:40 +0100

#1298116 — Re: [PATCH] ARM: omapfb: Add early framebuffer memory allocator

On 26.12.2013 01:12, 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>
> ---
>   arch/arm/mach-omap2/common.c |    1 +
>   arch/arm/mach-omap2/common.h |    2 +
>   arch/arm/mach-omap2/fb.c     |   46 +++++++++++++++++++++++++++++++++++++++++-
>   3 files changed, 48 insertions(+), 1 deletions(-)
>

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