From: Ville Syrjälä Date: Fri, 21 Oct 2016 13:44:38 +0000 (+0300) Subject: drm/i915: Refresh that status of MST capable connectors in ->detect() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1aab956c7b8872fb6976328316bfad62c6e67cf8;p=linux-beck.git drm/i915: Refresh that status of MST capable connectors in ->detect() Once we've determined that the sink is MST capable we never end up running through the full detect cycle again, despite getting HPDs. Fix tht by ripping out the incorrect piece of code responsible. This got broken when I moved the long HPD handling to the ->detect() hook, but failed to remove the leftover code. Cc: Ander Conselvan de Oliveira Cc: drm-intel-fixes@lists.freedesktop.org Cc: Rui Tiago Matos Tested-by: Rui Tiago Matos Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98323 Cc: Kirill A. Shutemov Tested-by: Kirill A. Shutemov References: https://bugs.freedesktop.org/show_bug.cgi?id=98306 Fixes: 27d4efc5591a ("drm/i915: Move long hpd handling into the hotplug work") Signed-off-by: Ville Syrjälä Link: http://patchwork.freedesktop.org/patch/msgid/1477057478-29328-1-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f30db8f2425e..80db8a3ac38f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4492,21 +4492,11 @@ static enum drm_connector_status intel_dp_detect(struct drm_connector *connector, bool force) { struct intel_dp *intel_dp = intel_attached_dp(connector); - struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); - struct intel_encoder *intel_encoder = &intel_dig_port->base; enum drm_connector_status status = connector->status; DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, connector->name); - if (intel_dp->is_mst) { - /* MST devices are disconnected from a monitor POV */ - intel_dp_unset_edid(intel_dp); - if (intel_encoder->type != INTEL_OUTPUT_EDP) - intel_encoder->type = INTEL_OUTPUT_DP; - return connector_status_disconnected; - } - /* If full detect is not performed yet, do a full detect */ if (!intel_dp->detect_done) status = intel_dp_long_pulse(intel_dp->attached_connector);