After the previous patch link training happens always with a valid
atomic state, so remove the NOTE comments and asserts which required a
valid state only for DP-MST and allowed for a NULL state for DP-SST.

Signed-off-by: Imre Deak <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_dp.c            |  5 -----
 .../gpu/drm/i915/display/intel_dp_link_training.c  | 14 --------------
 2 files changed, 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
b/drivers/gpu/drm/i915/display/intel_dp.c
index f83128ac60756..0365fb1e77eae 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2866,7 +2866,6 @@ static void intel_dp_queue_modeset_retry_work(struct 
intel_connector *connector)
                drm_connector_put(&connector->base);
 }
 
-/* NOTE: @state is only valid for MST links and can be %NULL for SST. */
 void
 intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state,
                                      struct intel_encoder *encoder,
@@ -2875,7 +2874,6 @@ intel_dp_queue_modeset_retry_for_link(struct 
intel_atomic_state *state,
        struct intel_connector *connector;
        struct intel_digital_connector_state *conn_state;
        struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-       struct drm_i915_private *i915 = dp_to_i915(intel_dp);
        int i;
 
        if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) {
@@ -2884,9 +2882,6 @@ intel_dp_queue_modeset_retry_for_link(struct 
intel_atomic_state *state,
                return;
        }
 
-       if (drm_WARN_ON(&i915->drm, !state))
-               return;
-
        for_each_new_intel_connector_in_state(state, connector, conn_state, i) {
                if (!conn_state->base.crtc)
                        continue;
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 af0b71bdf1fcf..58dea87a9fa28 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -1234,12 +1234,10 @@ static int 
intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
        return 0;
 }
 
-/* NOTE: @state is only valid for MST links and can be %NULL for SST. */
 static bool intel_dp_schedule_fallback_link_training(struct intel_atomic_state 
*state,
                                                     struct intel_dp *intel_dp,
                                                     const struct 
intel_crtc_state *crtc_state)
 {
-       struct drm_i915_private *i915 = dp_to_i915(intel_dp);
        struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
 
        if (!intel_digital_port_connected(&dp_to_dig_port(intel_dp)->base)) {
@@ -1255,11 +1253,6 @@ static bool 
intel_dp_schedule_fallback_link_training(struct intel_atomic_state *
                return false;
        }
 
-       if (drm_WARN_ON(&i915->drm,
-                       intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) &&
-                       !state))
-               return false;
-
        /* Schedule a Hotplug Uevent to userspace to start modeset */
        intel_dp_queue_modeset_retry_for_link(state, encoder, crtc_state);
 
@@ -1518,8 +1511,6 @@ intel_dp_128b132b_link_train(struct intel_dp *intel_dp,
  * retraining with reduced link rate/lane parameters if the link training
  * fails.
  * After calling this function intel_dp_stop_link_train() must be called.
- *
- * NOTE: @state is only valid for MST links and can be %NULL for SST.
  */
 void intel_dp_start_link_train(struct intel_atomic_state *state,
                               struct intel_dp *intel_dp,
@@ -1536,11 +1527,6 @@ void intel_dp_start_link_train(struct intel_atomic_state 
*state,
         */
        int lttpr_count = intel_dp_init_lttpr_and_dprx_caps(intel_dp);
 
-       if (drm_WARN_ON(&i915->drm,
-                       intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) &&
-                       !state))
-               return;
-
        if (lttpr_count < 0)
                /* Still continue with enabling the port and link training. */
                lttpr_count = 0;
-- 
2.44.2

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