From: Christian König <christian.koenig@amd.com>
Date: Thu, 1 Aug 2013 15:34:07 +0000 (+0200)
Subject: drm/radeon: fix halting UVD
X-Git-Tag: v3.11-rc5~16^2~2^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2858c00d2823c83acce2a1175dbabb2cebee8678;p=pandora-kernel.git

drm/radeon: fix halting UVD

Removing the clock/power or resetting the VCPU can cause
hangs if that happens in the middle of a register write.

Stall the memory and register bus before putting the VCPU
into reset. Keep it in reset when unloading the module or
suspending.

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

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