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Author SHA1 Message Date
Alex Deucher
444bddc4b9 drm/radeon/dpm: add debugfs support for RS780/RS880 (v3) 
This allows you to look at the current DPM state via
debugfs.

Due to the way the hardware works on these asics, there's
no way to look up exactly what power state we are in, so
we make the best guess we can based on the current sclk.

v2: Anthoine's version
v3: fix ref div

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-07-17 16:47:52 -04:00
Alex Deucher
9d67006e6e drm/radeon/kms: add dpm support for rs780/rs880 
This adds dpm support for rs780/rs880 asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic voltage scaling

set radeon.dpm=1 to enable it.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 10:49:25 -04:00