[Letux-kernel] OMAP3 framebuffer woes again in letux-4.15-rc8 due to mvduin/patch/tiler-fbdev for OMAP5

[H. Nikolaus Schaller]

> Am 19.01.2018 um 12:15 schrieb Tomi Valkeinen <tomi.valkeinen at ti.com>:
> 
> On 19/01/18 13:11, Michael Mrozek wrote:
>> Am Fri, 19 Jan 2018 10:43:12 +0200 hat Tomi Valkeinen
>> <tomi.valkeinen at ti.com> geschrieben:
>> 
>> Hi,
>> 
>> well, as far as I am aware, no one had encountered a CPU lockup on the
>> shipped out prototypes so far, and we're all using TILER with the
>> zmatt patch for transparent rotaton.
>> 
>> I've got no idea why - but it seems to work fine here :)
> 
> It's not easy to hit, but it's there. Possibly it doesn't matter for
> some (many?) users. So I'm fine with supporting CPU access to TILER
> addresses in the mainline kernel, but at the same time, it's not
> something I will be working on.

Ok this means Matthijs should provide proper patches?

> And possibly at some point I'll add a
> kernel kconfig option, so that one needs to explicitly enable (and thus
> acknowledge) the CPU accesses to TILER.

That would be ok for us.

BR,
Nikolaus