drm/i915/dp_mst: Configure MST after the link parameters are reset

The MST topology probing depends on the maximum link parameters -
programmed to DPCD if required by a follow-up patch - so make sure these
parameters are up-to-date before configuring and probing the MST
topology.

Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240722165503.2084999-11-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index c8cf3448fedd96579f6eeda953717e3ae7aa9a13..d707ad666993b6514a3bf81666bc118d5c0cf281 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6020,13 +6020,13 @@ intel_dp_detect(struct drm_connector *connector,
 
        intel_dp_detect_sdp_caps(intel_dp);
 
-       intel_dp_mst_configure(intel_dp);
-
        if (intel_dp->reset_link_params) {
                intel_dp_reset_link_params(intel_dp);
                intel_dp->reset_link_params = false;
        }
 
+       intel_dp_mst_configure(intel_dp);
+
        intel_dp_print_rates(intel_dp);
 
        if (intel_dp->is_mst) {