drm/i915/skl: Skylake also supports DP MST

I've checked that TRANS_DDI_MODE, DP_TP_CTL MST bits are identical to
HSW/BDW on SKL, as well as the long vs short HPD bits. So we have a good
chance to be working as well as prevous platforms.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3fc3296..8e276c4 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5085,7 +5085,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
        intel_dp_aux_init(intel_dp, intel_connector);
 
        /* init MST on ports that can support it */
-       if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) {
                if (port == PORT_B || port == PORT_C || port == PORT_D) {
                        intel_dp_mst_encoder_init(intel_dig_port,
                                                  intel_connector->base.base.id);