From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 21 Jan 2011 15:38:22 +0000 (+0000)
Subject: drm/radeon/kms: match r6xx/r7xx/evergreen asic_reset with previous asics
X-Git-Tag: v2.6.38-rc3~65^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d96fe9381fa235a81c73c8f940e2fcc84f41caf;p=pandora-kernel.git

drm/radeon/kms: match r6xx/r7xx/evergreen asic_reset with previous asics

Don't reset if the engine isn't busy.  This matches the behavior of
previous asics.  Reseting a non-hung block can lead to a hang.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=33272

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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