2015-12-25 13:36:28

by Ivaylo Dimitrov

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

On 26.12.2013 01:12, Ivaylo Dimitrov wrote:
> From: Ivaylo Dimitrov <[email protected]>
>
> 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 <[email protected]>
> ---
> 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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