diff options
Diffstat (limited to 'drm/UEventListener.cpp')
-rw-r--r-- | drm/UEventListener.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drm/UEventListener.cpp b/drm/UEventListener.cpp index 470e89a..44c503d 100644 --- a/drm/UEventListener.cpp +++ b/drm/UEventListener.cpp @@ -90,6 +90,10 @@ void UEventListener::Routine() { } if (drm_event && hotplug_event && hotplug_handler_) { + constexpr useconds_t delay_after_uevent_us = 200000; + /* We need some delay to ensure DrmConnector::UpdateModes() will query + * correct modes list, otherwise at least RPI4 board may report 0 modes */ + usleep(delay_after_uevent_us); hotplug_handler_(); } } |