Commit 26ae419c authored by Kuogee Hsieh's avatar Kuogee Hsieh Committed by Rob Clark
Browse files

drm/msm/dp: add drm debug logs to dp_pm_resume/suspend 



Changes in V2:
-- correct Fixes text
-- drop commit text

Fixes: 601f0479 ("drm/msm/dp: add logs across DP driver for ease of debugging")
Signed-off-by: default avatarKuogee Hsieh <khsieh@codeaurora.org>
Reviewed-by: default avatarStephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1628609362-2109-1-git-send-email-khsieh@codeaurora.org


Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 2e0adc76

drivers/gpu/drm/msm/dp/dp_display.c

+13 −0
Original line number Diff line number Diff line
@@ -1280,6 +1280,9 @@ static int dp_pm_resume(struct device *dev) 


	mutex_lock(&dp->event_mutex);



	DRM_DEBUG_DP("Before, core_inited=%d power_on=%d\n",

			dp->core_initialized, dp_display->power_on);



	/* start from disconnected state */

	dp->hpd_state = ST_DISCONNECTED;
@@ -1311,6 +1314,10 @@ static int dp_pm_resume(struct device *dev) 
	else

		dp->dp_display.is_connected = false;



	DRM_DEBUG_DP("After, sink_count=%d is_connected=%d core_inited=%d power_on=%d\n",

			dp->link->sink_count, dp->dp_display.is_connected,

			dp->core_initialized, dp_display->power_on);



	mutex_unlock(&dp->event_mutex);



	return 0;
@@ -1326,6 +1333,9 @@ static int dp_pm_suspend(struct device *dev) 


	mutex_lock(&dp->event_mutex);



	DRM_DEBUG_DP("Before, core_inited=%d power_on=%d\n",

			dp->core_initialized, dp_display->power_on);



	if (dp->core_initialized == true) {

		/* mainlink enabled */

		if (dp_power_clk_status(dp->power, DP_CTRL_PM))
@@ -1339,6 +1349,9 @@ static int dp_pm_suspend(struct device *dev) 
	/* host_init will be called at pm_resume */

	dp->core_initialized = false;



	DRM_DEBUG_DP("After, core_inited=%d power_on=%d\n",

			dp->core_initialized, dp_display->power_on);



	mutex_unlock(&dp->event_mutex);



	return 0;