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authorKuogee Hsieh <khsieh@codeaurora.org>2021-08-10 08:29:22 -0700
committerRob Clark <robdclark@chromium.org>2021-08-10 15:25:48 -0700
commit26ae419cd9eca4268c267a1910bdac4ae6ef4896 (patch)
tree5eb5fe79169d39b88729a77a552ece6de4b699e5
parent2e0adc765d884cc080baa501e250bfad97035b09 (diff)
drm/msm/dp: add drm debug logs to dp_pm_resume/suspend
Changes in V2: -- correct Fixes text -- drop commit text Fixes: 601f0479c583 ("drm/msm/dp: add logs across DP driver for ease of debugging") Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/1628609362-2109-1-git-send-email-khsieh@codeaurora.org Signed-off-by: Rob Clark <robdclark@chromium.org>
-rw-r--r--drivers/gpu/drm/msm/dp/dp_display.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index c67d583d34cf..419fd4a14cbf 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -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;