From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 19 Aug 2013 15:06:50 +0000 (-0400)
Subject: drm/radeon: update line buffer allocation for dce4.1/5
X-Git-Tag: v3.12-rc1~136^2~13^2~32
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b31e02363b0db4e7931561bc6c141436e729d9f;p=pandora-kernel.git

drm/radeon: update line buffer allocation for dce4.1/5

We need to allocate line buffer to each display when
setting up the watermarks.  Failure to do so can lead
to a blank screen.  This fixes blank screen problems
on dce4.1/5 asics.

Based on an initial fix from:
Jay Cornwall <jay.cornwall@amd.com>

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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