drm/radeon/kms: add dpm support for rv7xx (v4)

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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>

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Alex Deucher

2013-06-26 00:11:19 -04:00

parent 4a6369e993

commit 66229b2005

18 changed files with 4876 additions and 13 deletions

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drivers/gpu/drm/radeon/rv770_dpm.c Normal file

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