From 9d53910580512207186729c94b39cca9a9778c13 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 15 Aug 2014 01:21:53 +0300
Subject: [PATCH] drm/i915: Fix gen2 planes B and C max watermark value
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The max watermark value for gen2 planes B and C is 0x1f, instead of
the 0x3f that plane A uses.

Also check against the max even if the pipe is disabled since the
FIFO size exceeds the plane B and C max watermark value.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Thomas Richter <richter@rus.uni-stuttgart.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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