From: Imre Deak Date: Mon, 22 Jul 2024 16:55:03 +0000 (+0300) Subject: drm/i915/dp_mst: Enable LT fallback between UHBR/non-UHBR link rates X-Git-Tag: v6.12-rc1~126^2~22^2~22 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5c7b393452b55ee0cdbced0d3bc798f6875b5c24;p=thirdparty%2Fkernel%2Flinux.git drm/i915/dp_mst: Enable LT fallback between UHBR/non-UHBR link rates Enable switching between UHBR and non-UHBR link rates on MST links when reducing the link parameters after an LT failure. Reviewed-by: Suraj Kandpal Signed-off-by: Imre Deak Link: https://patchwork.freedesktop.org/patch/msgid/20240722165503.2084999-15-imre.deak@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 86d58a4c8453f..9c87382951062 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -1188,11 +1188,6 @@ static bool reduce_link_params_in_bw_order(struct intel_dp *intel_dp, intel_dp->link.force_lane_count != lane_count)) continue; - /* TODO: Make switching from UHBR to non-UHBR rates work. */ - if (drm_dp_is_uhbr_rate(crtc_state->port_clock) != - drm_dp_is_uhbr_rate(link_rate)) - continue; - break; }