[PATCH 0/5] OMAPFB: use dma_alloc instead of omap's vram

Grazvydas Ignotas notasas at gmail.com
Mon Nov 12 08:39:45 EST 2012


On Mon, Nov 12, 2012 at 12:25 PM, Tomi Valkeinen <tomi.valkeinen at ti.com> wrote:
> This series changes omapfb to use standard dma_alloc funcs instead of omap
> specific vram allocator. This let's us remove the omap vram allocator, making
> omapfb platform independent.
> However, note that using standard dma funcs causes the following downsides:
> ...
> 3) OMAPFB_GET_VRAM_INFO ioctl cannot return real values anymore. I
> changed the ioctl to return 64M for all the values, which, I hope, the
> applications will interpret as "there's enough vram".


> 4) "vram" kernel parameter to define how much ram to reserve for video use no
> longer works. The user needs to enable CMA and use "cma" parameter.

That's a significant change, you should update Documentation/ .
What about omapfb.vram, is it still there?
Perhaps we also need to select/depend on CMA?


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