[PATCH 10/14] drm/i915/dp_mst: Configure MST after the link parameters are reset

Imre Deak imre.deak at intel.com
Mon Jul 22 16:54:59 UTC 2024


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.

Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index d3529c5836393..1c6d1db1d2690 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6025,13 +6025,13 @@ 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) {
-- 
2.44.2



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