nvc0/fb: shut up PMFB interrupt after the first occurrence
nvc0/fb: shut up PMFB interrupt after the first occurrence

Signed-off-by: Christoph Bumiller <8384a109bf3dfa1b795fc2fbc8917dda6eac4e39@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <d9f27fb07c1e9f131223ad827fa5179f3846c30b@redhat.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs