From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> If we've determined that the encoder is eDP, we shouldn't try to use MST on it. Or at least the code doesn't seem to expect that since there are some type==DP checks in the MST code. Cc: Dave Airlie <airlied@xxxxxxxxxx> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Reviewed-by: Shashank Sharma <shashank.sharma@xxxxxxxxx> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 85f2801b16ed..44496cac51b3 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5613,7 +5613,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, goto fail; /* init MST on ports that can support it */ - if (HAS_DP_MST(dev) && + if (HAS_DP_MST(dev) && !is_edp(intel_dp) && (port == PORT_B || port == PORT_C || port == PORT_D)) intel_dp_mst_encoder_init(intel_dig_port, intel_connector->base.base.id); -- 2.7.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx