From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 12 Apr 2013 20:42:42 +0000 (-0400)
Subject: drm/radeon/kms: add dpm support for cayman (v5)
X-Git-Tag: v3.11-rc1~65^2~60^2~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69e0b57a91adca2e3eb56ed4db39ab90f3ae1043;p=pandora-kernel.git

drm/radeon/kms: add dpm support for cayman (v5)

This adds dpm support for cayman asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
- power containment
- shader power scaling

Set radeon.dpm=1 to enable.

v2: fold in tdp fix
v3: fix indentation
v4: fix 64 bit div
v5: attempt to fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
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