[PATCH 0/2] [P/omap4] Remove the CMA

[Dechesne, Nicolas]

Rob, Sergio,

please see below

On Tue, Jan 24, 2012 at 2:54 PM, Paolo Pisati <paolo.pisati at canonical.com>wrote:

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> On 01/24/2012 02:38 PM, Andy Green wrote:
> >
> > Hum, well CMA is needed for Panda Camera driver which is also in
> > our trees, I don't see this bug here either.
> >
> > But if it's making problems and you don't need Camera, I guess this
> > is reasonable solution.
>
> do you specify where the memory banks are located at boot time? e.g.
> mem=456M at 0x80000000 mem=512M at 0xA0000000
>
>
the CMA + v4l2 driver coming from Linaro 3.2 kernel is reaching Ubuntu
12.04, and CMA is causing issue that disappear when we add the memory hole
in the bootargs.

that doesn't make too much sense to me (the mem hole). it was needed for
Multimedia stuff with syslink2.0, but since we no longer support syslink2.0
moving forward we should not need that any more. so i guess something is
wrong with the CMA config, or the patches...

does it ring a bell?


> in case you don't, the usb driver should panic whenever it tries to a
> __alloc_from_pool().
> - --
> bye,
> p.
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