From d45fd24dd30a791ba0739a1d3c4fd29710d94b9f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 7 Nov 2013 13:43:37 -0500
Subject: [PATCH] drm/radeon: use HDP_MEM_COHERENCY_FLUSH_CNTL for sdma as well

The new HDP flush method doesn't seem to work reliably on
sDMA either, so use the old method here too.

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