drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup
drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup

Fixes a LVDS bleed issue on Lenovo W530 that can occur under a
number of circumstances.

Cc: <4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org > # v3.9+
Signed-off-by: Ben Skeggs <d9f27fb07c1e9f131223ad827fa5179f3846c30b@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs