From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed, 7 Aug 2013 10:24:47 +0000 (+0300)
Subject: drm/i915: Pull watermark level validity check out
X-Git-Tag: v3.12-rc1~136^2~59^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9786a119d2cd0f43d5554bddda71a5fd6ee39ff;p=pandora-kernel.git

drm/i915: Pull watermark level validity check out

Refactor the code a bit to split the watermark level validity check into
a separate function.

Also add hack there that allows us to use it even for LP0 watermarks.
ATM we don't pre-compute/check the LP0 watermarks, so we just have to
clamp them to the maximum and hope things work out.

v2: Add some debug prints when we exceed max WM0
    Kill pointless ret = false' assignment.
    Include the check for the already disabled 'result' which
    got shuffled around when the patchs got reorderd

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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