From: Michel Dänzer <michel.daenzer@amd.com>
Date: Tue, 29 Jul 2014 09:47:22 +0000 (+0900)
Subject: drm/radeon/cik: Read back SDMA WPTR register after writing it
X-Git-Tag: cleanup-for-v3.18~84^2~6^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f069dc1dbc1e17b04b2ec65f65d1c9e9af667ff5;p=pandora-kernel.git

drm/radeon/cik: Read back SDMA WPTR register after writing it

For symmetry with other *_set_wptr hooks.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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