From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 22 Mar 2010 14:45:36 +0000 (+0800)
Subject: drm/i915: Move Pineview CxSR and watermark code into update_wm hook.
X-Git-Tag: v2.6.35-rc1~451^2~91^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4294342fd4b94a3297867da00c1c5e929c28d4f;p=pandora-kernel.git

drm/i915: Move Pineview CxSR and watermark code into update_wm hook.

Previously, after setting up the Pineview CxSR state, i9xx_update_wm would
get called and overwrite our state.

BTW: We will disable the self-refresh and never enable it any more if we
can't find the appropriate the latency on pineview plaftorm. In such case
the update_wm callback will be NULL.

The bitmask macro is also defined to access the corresponding fifo
watermark register.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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