Enable UVD PG for SMU7 and turn on for Tonga

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Tom St Denis
> Sent: Friday, September 30, 2016 11:02 AM
> To: amd-gfx at lists.freedesktop.org
> Subject: Enable UVD PG for SMU7 and turn on for Tonga
> 
> Patch #1 fixes the UVD powergating function in the smu7 driver
> as well as senses vce/uvd features (so we can fix/add vce PG later on).
> 
> Patch #2 enables it for tonga.  Tested by reading tile/clk bits during
> load/idle.

Nice!  Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>