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

[Michael Mrozek]

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 :)

> On 18/01/18 18:20, H. Nikolaus Schaller wrote:
> 
> > Do you think you can find time to take a look at Matthijs
> > implementation and what he really is doing to get our demos working
> > flawless (despite errata)?  
> 
> Well, you can't avoid the errata. The errata says that if you access
> TILER mapped memory with CPU, the device may lock up.
> 
> I will review mainline patches sent to dri-devel, but otherwise I'm
> not planning to work on TILER any time soon, unless we figure out a
> way to deal with the dmabuf problem.
> 
>  Tomi
> 


-- 
Mit freundlichen Grüßen,

Michael Mrozek

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