There is a scenario that dp cable is unplugged from DUT during system suspended will cause audio option state does not match real connection state. Fix this problem by Signaling audio plugged change with realtime connection status at dp_pm_resume() so that audio option will be in correct state after system resumed.
Changes in V2: -- correct Fixes tag commit id.
Fixes: f591dbb5fb8c ("drm/msm/dp: power off DP phy at suspend") Signed-off-by: Kuogee Hsieh khsieh@codeaurora.org Reviewed-by: Stephen Boyd swboyd@chromium.org --- drivers/gpu/drm/msm/dp/dp_display.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 78c5301..2b660e9 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1339,6 +1339,10 @@ static int dp_pm_resume(struct device *dev) else dp->dp_display.is_connected = false;
+ dp_display_handle_plugged_change(g_dp_display, + dp->dp_display.is_connected); + + mutex_unlock(&dp->event_mutex);
return 0;