diff options
| author | Jessica Zhang <jessica.zhang@oss.qualcomm.com> | 2026-05-24 13:33:36 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2026-05-29 14:58:52 +0300 |
| commit | c2aed45fda708607ba0bcc15aa6cc3dd0ac390ec (patch) | |
| tree | edaf0870a19c1ee716e8ab61652ab6fd2a3afd39 | |
| parent | 5043357e75ba7cc6285174216fd448912dc65ab7 (diff) | |
drm/msm/dp: Add sink_count to debug logs
Add sink count to the debug logs for [un]plug and HPD IRQ handling.
Signed-off-by: Jessica Zhang <jessica.zhang@oss.qualcomm.com>
[DB: dropped link_ready handling]
Tested-by: Val Packett <val@packett.cool> # x1e80100-dell-latitude-7455
Tested-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com> # Hamoa IOT EVK, QCS8300 Ride
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/727620/
Link: https://lore.kernel.org/r/20260524-hpd-refactor-v6-8-cf3ab488dd7b@oss.qualcomm.com
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 9292c475e4e7..bf31bc3f8377 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -389,8 +389,9 @@ static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp) int ret; struct platform_device *pdev = dp->msm_dp_display.pdev; - 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\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count); if (dp->msm_dp_display.link_ready) return 0; @@ -412,8 +413,9 @@ static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp) 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\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count); /* uevent will complete connection part */ return 0; @@ -441,8 +443,9 @@ static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp) 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\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count); if (!dp->msm_dp_display.link_ready) return 0; @@ -466,8 +469,9 @@ static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp) /* 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\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count); /* uevent will complete disconnection part */ pm_runtime_put_sync(&pdev->dev); @@ -480,8 +484,9 @@ static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp) int rc = 0; /* 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\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count); /* check for any test request issued by sink */ rc = msm_dp_link_process_request(dp->link); @@ -494,8 +499,9 @@ static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp) rc = msm_dp_display_handle_irq_hpd(dp); } - 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\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count); return rc; } |