drm/nouveau/falcon: avoid touching registers if engine is off
authorIlia Mirkin <imirkin@alum.mit.edu>
Fri, 14 Dec 2018 03:44:08 +0000 (22:44 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Feb 2019 09:25:43 +0000 (10:25 +0100)
commit4b709998564b1d5b9606dc7923cbddbb5e91544d
tree37a231c847015636c9391fc6abd8db79b657840d
parent85a088cc4c8eeeb2e4cf6c7e0efde52045360b05
drm/nouveau/falcon: avoid touching registers if engine is off

[ Upstream commit a5176a4cb85bb6213daadf691097cf411da35df2 ]

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108980
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/nouveau/nvkm/engine/falcon.c