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drm/msm/dp: signal audio plugged change at dp_pm_resume

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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: f591dbb5fb ("drm/msm/dp: power off DP phy at suspend")
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1627059339-12142-1-git-send-email-khsieh@codeaurora.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Kuogee Hsieh 2021-07-23 09:55:39 -07:00 committed by Rob Clark
parent f9a39932fa
commit afc9b8b6ba
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/msm/dp/dp_display.c
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@ -1311,6 +1311,10 @@ 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;