From: Jessica Zhang <[email protected]> Add sink count and link_ready to the debug logs for [un]plug and HPD IRQ handling.
Signed-off-by: Jessica Zhang <[email protected]> Signed-off-by: Dmitry Baryshkov <[email protected]> --- drivers/gpu/drm/msm/dp/dp_display.c | 36 ++++++++++++++++++++++++------------ 1 file changed, 24 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index b26fba89e73a..67a193f58ce2 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -388,8 +388,10 @@ 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, 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; @@ -411,8 +413,10 @@ 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, 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; @@ -440,8 +444,10 @@ 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, 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; @@ -465,8 +471,10 @@ 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, 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); @@ -479,8 +487,10 @@ 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, link_ready=%d\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count, + dp->msm_dp_display.link_ready); /* check for any test request issued by sink */ rc = msm_dp_link_process_request(dp->link); @@ -493,8 +503,10 @@ 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, link_ready=%d\n", + dp->msm_dp_display.connector_type, + dp->link->sink_count, + dp->msm_dp_display.link_ready); return rc; } -- 2.47.3
