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

[Abhinav Kumar]

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 at linaro.org>
> ---
>   drivers/gpu/drm/msm/dp/dp_aux.c | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
> 

Reviewed-by: Abhinav Kumar <quic_abhinavk at quicinc.com>