From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 26 Jun 2013 04:15:24 +0000 (-0400)
Subject: drm/radeon/kms: add dpm support for btc (v3)
X-Git-Tag: v3.11-rc1~65^2~60^2~88
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6596afd48af4d07c8b454849b2fe7e628974f3ef;p=pandora-kernel.git

drm/radeon/kms: add dpm support for btc (v3)

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

Set radeon.dpm=1 to enable.

v2: reduce stack usage
v3: attempt to fix state enable

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