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Handle the IRQ by doing a full connector detection. Reviewed-by: Luca Coelho Signed-off-by: Imre Deak --- drivers/gpu/drm/i915/display/intel_dp.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index bc5c318869329..5f5e0145cbb69 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5478,7 +5478,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_dbg_kms(display->drm, "DPRX ESI: %4ph\n", esi); - ack[3] |= esi[3] & (LINK_STATUS_CHANGED | DP_TUNNELING_IRQ); + ack[3] |= esi[3] & (RX_CAP_CHANGED | LINK_STATUS_CHANGED | DP_TUNNELING_IRQ); intel_dp_mst_hpd_irq(intel_dp, esi, ack); @@ -5491,6 +5491,9 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) if (ack[1] & (DP_DOWN_REP_MSG_RDY | DP_UP_REQ_MSG_RDY)) drm_dp_mst_hpd_irq_send_new_request(&intel_dp->mst.mgr); + if (ack[3] & RX_CAP_CHANGED) + reprobe_needed = true; + if ((ack[3] & LINK_STATUS_CHANGED) || intel_dp->link.force_retrain) intel_dp_check_link_state(intel_dp); @@ -5803,6 +5806,9 @@ static bool intel_dp_check_link_service_irq(struct intel_dp *intel_dp) DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) return false; + if (val & RX_CAP_CHANGED) + reprobe_needed = true; + if (val & HDMI_LINK_STATUS_CHANGED) intel_dp_handle_hdmi_link_status_change(intel_dp); -- 2.49.1