Re: [PATCH v1 3/5] drm/msm/dp: delete EV_HPD_INIT_SETUP

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On 7/7/2023 5:34 PM, Dmitry Baryshkov wrote:
On 08/07/2023 02:52, Kuogee Hsieh wrote:
EV_HPD_INIT_SETUP flag is used to trigger the initialization of external
DP host controller. Since external DP host controller initialization had
been incorporated into pm_runtime_resume(), this flag become obsolete.
Lets get rid of it.

And another question. Between patches #2 and #3 we have both INIT_SETUP event and the PM doing dp_display_host_init(). Will it work correctly?

yes,  i had added  if (!dp->core_initialized)  into dp_display_host_init().

should I merge this patch into patch #2?



Signed-off-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
---
  drivers/gpu/drm/msm/dp/dp_display.c | 12 ------------
  1 file changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 2c5706a..44580c2 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -55,7 +55,6 @@ enum {
  enum {
      EV_NO_EVENT,
      /* hpd events */
-    EV_HPD_INIT_SETUP,
      EV_HPD_PLUG_INT,
      EV_IRQ_HPD_INT,
      EV_HPD_UNPLUG_INT,
@@ -1119,9 +1118,6 @@ static int hpd_event_thread(void *data)
          spin_unlock_irqrestore(&dp_priv->event_lock, flag);
            switch (todo->event_id) {
-        case EV_HPD_INIT_SETUP:
-            dp_display_host_init(dp_priv);
-            break;
          case EV_HPD_PLUG_INT:
              dp_hpd_plug_handle(dp_priv, todo->data);
              break;
@@ -1483,15 +1479,7 @@ void __exit msm_dp_unregister(void)
    void msm_dp_irq_postinstall(struct msm_dp *dp_display)
  {
-    struct dp_display_private *dp;
-
-    if (!dp_display)
-        return;
-
-    dp = container_of(dp_display, struct dp_display_private, dp_display);
  -    if (!dp_display->is_edp)
-        dp_add_event(dp, EV_HPD_INIT_SETUP, 0, 0);
  }
    bool msm_dp_wide_bus_available(const struct msm_dp *dp_display)




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