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

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

Fixes: 601f0479c5 ("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>
This commit is contained in:
Kuogee Hsieh 2021-08-10 08:29:22 -07:00 committed by Rob Clark
parent 2e0adc765d
commit 26ae419cd9
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/msm/dp/dp_display.c
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@ -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;