This is a fix for one of the many issues I've been finding on my brand
new desktop. This one in particular is easy to hit if you have a cursor
with a continously updating surface between two displays, what fun!

Reminds me of a another bug from long ago…

Lyude Paul (2):
  drm/nouveau/disp/nv50-: Set lock_core in curs507a_prepare
  drm/nouveau/kms/nv50-: Assert we hold nv50_disp->lock in
    nv50_head_flush_*

 drivers/gpu/drm/nouveau/dispnv50/curs507a.c | 1 +
 drivers/gpu/drm/nouveau/dispnv50/head.c     | 5 +++++
 2 files changed, 6 insertions(+)


base-commit: 8e7460eac786c72f48c4e04ce9be692b939428ce
-- 
2.52.0

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