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| author |   Kuogee Hsieh <khsieh@codeaurora.org> | 2021-08-10 08:29:22 -0700 |
|---|---|---|
| committer |   Rob Clark <robdclark@chromium.org> | 2021-08-10 15:25:48 -0700 |
| commit | 26ae419cd9eca4268c267a1910bdac4ae6ef4896 (patch) | |
| tree | 5eb5fe79169d39b88729a77a552ece6de4b699e5 /drivers/gpu/drm/msm | |
| parent | drm/msm/dp: do not end dp link training until video is ready (diff) | |
| download | linux-dev-26ae419cd9eca4268c267a1910bdac4ae6ef4896.tar.xz linux-dev-26ae419cd9eca4268c267a1910bdac4ae6ef4896.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 13 |
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; |