From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 17 Nov 2014 20:08:17 +0000 (-0500)
Subject: drm/radeon: work around a hw bug in MGCG on CIK
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~77^2~29^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bb62c95a7e781a238b2ab374f34b1bf91e01ddc;p=pandora-kernel.git

drm/radeon: work around a hw bug in MGCG on CIK

Always need to set bit 0 of RLC_CGTT_MGCG_OVERRIDE
to avoid unreliable doorbell updates in some cases.

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

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