Comment # 7 on bug 996614 from Petr Matula

I found it during booting

kernel: [drm:vc4_v3d_bind [vc4]] *ERROR* V3D_IDENT0 read 0xdeadbeef instead of
0x02443356
kernel: vc4-drm soc:gpu: failed to bind 20c00000.v3d (ops vc4_v3d_ops [vc4]):
-22
kernel: vc4-drm soc:gpu: master bind failed: -22
kernel: vc4-drm: probe of soc:gpu failed with error -22