drm/msm/dp: Shrink locking area of dp_aux_transfer()

We don't need to hold the lock to inspect the message we're going to
transfer, and we don't need to clear the busy flag either. Take the lock
later and bail out earlier if conditions aren't met.

Cc: Dmitry Baryshkov <[email protected]>
Cc: Abhinav Kumar <[email protected]>
Cc: Kuogee Hsieh <[email protected]>
Cc: [email protected]
Cc: Sean Paul <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
Reviewed-by: Kuogee Hsieh <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Clark <[email protected]>

0 files changed, 0 insertions, 0 deletions