[PATCH v1] drm/msm/dp: use dp_hpd_plug_handle() and dp_hpd_unplug_handle() directly

Abhinav Kumar quic_abhinavk at quicinc.com
Thu Mar 28 20:24:34 UTC 2024


+ Johan and Bjorn for FYI

On 3/28/2024 1:04 PM, Kuogee Hsieh wrote:
> For internal HPD case, hpd_event_thread is created to handle HPD
> interrupts generated by HPD block of DP controller. It converts
> HPD interrupts into events and executed them under hpd_event_thread
> context. For external HPD case, HPD events is delivered by way of
> dp_bridge_hpd_notify() under thread context. Since they are executed
> under thread context already, there is no reason to hand over those
> events to hpd_event_thread. Hence dp_hpd_plug_handle() and
> dp_hpd_unplug_hanlde() are called directly at dp_bridge_hpd_notify().
> 
> Signed-off-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
> ---
>   drivers/gpu/drm/msm/dp/dp_display.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
> 

Fixes: 542b37efc20e ("drm/msm/dp: Implement hpd_notify()")

Looks right to me,

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


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