From f87cd8b695d372087685976460fac1ec6ba2fca9 Mon Sep 17 00:00:00 2001
From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Sun, 19 Jan 2014 04:18:15 -0500
Subject: [PATCH] drm/nouveau/devinit: lock/unlock crtc regs for all devices,
 not just pre-nv50

Also make nv_lockvgac work for nv50+ devices. This should fix
IO_CONDITION and related VBIOS opcodes that read/write the crtc regs.

See https://bugs.freedesktop.org/show_bug.cgi?id=60680

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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