commit f24175885781deb99081343db6de12eb83567793
author Alex Deucher <alexander.deucher@amd.com> Fri Apr 05 10:28:08 2013 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Sat May 11 13:48:11 2013 -0700
tree 184460067dab83fdec6dc74f850c0820516dc9d1
parent ff52cbbb96647ae7f0d94f061698303d1b43f1fb

drm/radeon/dce6: add missing display reg for tiling setup

commit 7c1c7c18fc752b2a1d07597286467ef186312463 upstream.

A new tiling config register for the display blocks was
added on DCE6.

May fix:
https://bugs.freedesktop.org/show_bug.cgi?id=62889
https://bugs.freedesktop.org/show_bug.cgi?id=57919

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/gpu/drm/radeon/si.c

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 1197f21..5508ad7 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1799,6 +1799,7 @@
 	rdev->config.si.backend_map = gb_backend_map;
 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
+	WREG32(DMIF_ADDR_CALC, gb_addr_config);
 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
 
 	/* primary versions */