Merge tag 'drm-misc-next-2020-06-19' of git://anongit.freedesktop.org/drm/drm-misc...

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / display / intel_dp_mst.c

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index f29e51ce489c634f086d11dda0341ae1c9fadda0..2e6c6375a23b42fdc978972928153032cb8cd273 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -33,6 +33,7 @@
 #include "intel_connector.h"
 #include "intel_ddi.h"
 #include "intel_display_types.h"
+#include "intel_hotplug.h"
 #include "intel_dp.h"
 #include "intel_dp_mst.h"
 #include "intel_dpio_phy.h"
@@ -773,8 +774,17 @@ err:
        return NULL;
 }
 
+static void
+intel_dp_mst_poll_hpd_irq(struct drm_dp_mst_topology_mgr *mgr)
+{
+       struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr);
+
+       intel_hpd_trigger_irq(dp_to_dig_port(intel_dp));
+}
+
 static const struct drm_dp_mst_topology_cbs mst_cbs = {
        .add_connector = intel_dp_add_mst_connector,
+       .poll_hpd_irq = intel_dp_mst_poll_hpd_irq,
 };
 
 static struct intel_dp_mst_encoder *