Connector force enable on DP bypasses the detect hooks, skipping all the DPCD parameter reading and negotiation. This does not really have a chance to work, at all, and any modesets are bound to fail. Try to do the normal detection in the force hook on force enable. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103347 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106291 Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_dp.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6ac6c8787dcf..ec9c96b1d013 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4962,14 +4962,12 @@ intel_dp_force(struct drm_connector *connector) connector->base.id, connector->name); intel_dp_unset_edid(intel_dp); - if (connector->status != connector_status_connected) - return; - - intel_display_power_get(dev_priv, intel_dp->aux_power_domain); - - intel_dp_set_edid(intel_dp); - - intel_display_power_put(dev_priv, intel_dp->aux_power_domain); + /* + * Force enable doesn't really work with DP. Try the normal detect path + * anyway to read the DPCD etc. + */ + if (connector->status == connector_status_connected) + drm_helper_probe_detect(connector, NULL, false); } static int intel_dp_get_modes(struct drm_connector *connector) -- 2.11.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
