Add sink count and link_ready to the debug logs for [un]plug and HPD IRQ
handling.
Signed-off-by: Jessica Zhang <jessica.zh...@oss.qualcomm.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 38 ++++++++++++++++++++++++-------------
1 file changed, 25 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index dd529942f7db..93ea623473f4 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -455,8 +455,10 @@ static int msm_dp_hpd_plug_handle(struct
msm_dp_display_private *dp, u32 data)
msm_dp_aux_enable_xfers(dp->aux, true);
- drm_dbg_dp(dp->drm_dev, "Before, type=%d\n",
- dp->msm_dp_display.connector_type);
+ drm_dbg_dp(dp->drm_dev, "Before, type=%d sink_count=%d,
link_ready=%d\n",
+ dp->msm_dp_display.connector_type,
+ dp->link->sink_count,
+ dp->msm_dp_display.link_ready);
if (dp->msm_dp_display.link_ready)
return 0;
@@ -473,8 +475,10 @@ static int msm_dp_hpd_plug_handle(struct
msm_dp_display_private *dp, u32 data)
pm_runtime_put_sync(&pdev->dev);
}
- drm_dbg_dp(dp->drm_dev, "After, type=%d\n",
- dp->msm_dp_display.connector_type);
+ drm_dbg_dp(dp->drm_dev, "After, type=%d sink_count=%d, link_ready=%d\n",
+ dp->msm_dp_display.connector_type,
+ dp->link->sink_count,
+ dp->msm_dp_display.link_ready);
/* uevent will complete connection part */
return 0;
@@ -500,8 +504,10 @@ static int msm_dp_hpd_unplug_handle(struct
msm_dp_display_private *dp, u32 data)
msm_dp_aux_enable_xfers(dp->aux, false);
- drm_dbg_dp(dp->drm_dev, "Before, type=%d\n",
- dp->msm_dp_display.connector_type);
+ drm_dbg_dp(dp->drm_dev, "Before, type=%d sink_count=%d,
link_ready=%d\n",
+ dp->msm_dp_display.connector_type,
+ dp->link->sink_count,
+ dp->msm_dp_display.link_ready);
if (!dp->msm_dp_display.link_ready)
return 0;
@@ -528,8 +534,10 @@ static int msm_dp_hpd_unplug_handle(struct
msm_dp_display_private *dp, u32 data)
/* signal the disconnect event early to ensure proper teardown */
msm_dp_display_handle_plugged_change(&dp->msm_dp_display, false);
- drm_dbg_dp(dp->drm_dev, "After, type=%d\n",
- dp->msm_dp_display.connector_type);
+ drm_dbg_dp(dp->drm_dev, "After, type=%d, sink_count=%d,
link_ready=%d\n",
+ dp->msm_dp_display.connector_type,
+ dp->link->sink_count,
+ dp->msm_dp_display.link_ready);
/* uevent will complete disconnection part */
pm_runtime_put_sync(&pdev->dev);
@@ -539,13 +547,17 @@ static int msm_dp_hpd_unplug_handle(struct
msm_dp_display_private *dp, u32 data)
static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp, u32 data)
{
/* irq_hpd can happen at either connected or disconnected state */
- drm_dbg_dp(dp->drm_dev, "Before, type=%d\n",
- dp->msm_dp_display.connector_type);
+ drm_dbg_dp(dp->drm_dev, "Before, type=%d, sink_count=%d,
link_ready=%d\n",
+ dp->msm_dp_display.connector_type,
+ dp->link->sink_count,
+ dp->msm_dp_display.link_ready);
msm_dp_display_usbpd_attention_cb(&dp->msm_dp_display.pdev->dev);
- drm_dbg_dp(dp->drm_dev, "After, type=%d\n",
- dp->msm_dp_display.connector_type);
+ drm_dbg_dp(dp->drm_dev, "After, type=%d, sink_count=%d,
link_ready=%d\n",
+ dp->msm_dp_display.connector_type,
+ dp->link->sink_count,
+ dp->msm_dp_display.link_ready);
return 0;
}
@@ -1540,7 +1552,7 @@ void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge,
hpd_link_status = msm_dp_aux_is_link_connected(dp->aux);
}
- drm_dbg_dp(dp->drm_dev, "type=%d link connected=0x%x, link_ready=%d,
status=%d\n",
+ drm_dbg_dp(dp->drm_dev, "type=%d link hpd_link_status=0x%x,
link_ready=%d, status=%d\n",
msm_dp_display->connector_type, hpd_link_status,
msm_dp_display->link_ready, status);
--
2.50.1
