drm/nouveau/clk: implement power state and engine clock control in core

User control of this has been hard-coded as disabled for now.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-01-14 08:28:28 +10:00
commit 7c85652206
19 changed files with 2590 additions and 65 deletions