58de0ef214
[Why] While reading remote EDID via Startech 1-to-4 hub, occasionally we won't get response in time and won't light up corresponding monitor. Ideally, we can still add generic modes for userspace to choose to try to light up the monitor and which is done in drm_helper_probe_single_connector_modes(). So the main problem here is that we fail .mode_valid since we don't create remote dc_sink for this case. [How] Also add default dc_sink if we can't get the EDID. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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