[git pull] drm udl fixes

[Daniel Vetter]

On Tue, Sep 4, 2018 at 1:41 AM, Dave Airlie <airlied at gmail.com> wrote:
>>
>> I've seen that you dropped this patch:
>> https://patchwork.kernel.org/patch/10445393/
>>
>> Is that patch correct or incorrect? In case it is incorrect, do you have
>> an idea how should fbdefio be used properly on KMS drivers?
>
> I suppose I was wondering what use fbdefio really has, modern code
> should be using KMS interface and the KMS dirty handling should be
> able to cover those cases.
>
> I don't really like the maintainability decrease moving to in-driver
> page handling causes vs using shmem.

I think tinydrm has the same problem of shmem+fbdefio, could be worth
it to chat with Noralf. Adding him.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch