Re: [PATCH] drm/msm/dp: fix runtime_pm handling in dp_wait_hpd_asserted

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On 2/26/2024 2:34 PM, Dmitry Baryshkov wrote:
The function dp_wait_hpd_asserted() uses pm_runtime_get_sync() and
doesn't care about the return value. Potentially this can lead to
unclocked access if for some reason resuming of the DP controller fails.

Change the function to use pm_runtime_resume_and_get() and return an
error if resume fails.

Fixes: e2969ee30252 ("drm/msm/dp: move of_dp_aux_populate_bus() to eDP probe()")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
  drivers/gpu/drm/msm/dp/dp_aux.c | 5 ++++-
  1 file changed, 4 insertions(+), 1 deletion(-)

Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>

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