Alex Deucher 66229b2005 drm/radeon/kms: add dpm support for rv7xx (v4) ...

This adds dpm support for rv7xx asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching

Set radeon.dpm=1 to enable.

v2: reduce stack usage
v3: fix 64 bit div
v4: fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2013-06-27 19:14:59 -04:00

5.0 KiB

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