Various cleanups for amdgpu_dm

[Tom St Denis]

On 17/10/17 04:30 PM, Harry Wentland wrote:
> Thanks for these cleanups.
> 
> Some of these could possibly squashed but then, I generally
> prefer smaller changes than one big lump.
> 
> Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Hi Harry,

You're welcome.  Normally I too agree that squashing is better but since 
that part of the tree is less familiar I decided to go for a easily 
bisectable patchset in case I did fubar something.  Mostly I just 
compile test as I go to make sure I didn't typo anything.

I've pushed these to drm-next.  Is there any other place you'd like me 
to merge them?

Cheers,
Tom