[PATCH] drm/radeon/kms: add dynamic engine reclocking (V8)

[Rafał M. <za...@gm...>]

V2: reorganize functions, fix modesetting calls
V3: rebase patch, use radeon's workqueue
V4: enable on tested chipsets only, request VBLANK IRQs
V5: enable PM on older hardware (IRQs, mode_fixup, dpms)
V6: use separate dynpm module parameter
V7: drop RADEON_ prefix, set minimum mode for dpms off
V8: update legacy encoder call, fix order in rs600 IRQ

With Alex suggestions.

As always I really suggest using this together with
[PATCH] drm/radeon/kms: prevent parallel AtomBIOS calls
http://www.mail-archive.com/dri...@li.../msg45666.html

To enable use dynpm module parameter (dynpm=1). Set it at boot time
(radeon.dynpm=1), at load time (modprobe dynpm=1) or in modprobe.d
config.

-- 
Rafał