drm/i915/dp: Rename intel_dp::link_trained to link.active

The intel_dp::link_trained flag indicates whether the link is active,
regardless of whether the link training passed or failed. For clarity
rename the flag to 'active'. While at it move the flag under
intel_dp::link.

Suggested-by: Jani Nikula <[e-mail]>
Reviewed-by: Jani Nikula <[e-mail]>
Signed-off-by: Imre Deak <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/gpu/drm/i915/display/g4x_dp.c

···
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
-	intel_dp->link_trained = false;
+	intel_dp->link.active = false;
 
 	/*
 	 * Make sure the panel is off before trying to change the mode.

drivers/gpu/drm/i915/display/intel_ddi.c

···
 	struct intel_connector *connector =
 		to_intel_connector(old_conn_state->connector);
 
-	intel_dp->link_trained = false;
+	intel_dp->link.active = false;
 
 	intel_psr_disable(intel_dp, old_crtc_state);
 	intel_edp_backlight_off(old_conn_state);

drivers/gpu/drm/i915/display/intel_display_types.h

···
 	int link_rate;
 	u8 lane_count;
 	u8 sink_count;
-	bool link_trained;
 	bool needs_modeset_retry;
 	bool use_max_params;
 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
···
 	int common_rates[DP_MAX_SUPPORTED_RATES];
 	struct {
 		/* TODO: move the rest of link specific fields to here */
+		bool active;
 		/* common rate,lane_count configs in bw order */
 		int num_configs;
 #define INTEL_DP_MAX_LANE_COUNT			4

drivers/gpu/drm/i915/display/intel_dp.c

···
 			      int link_rate, int lane_count)
 {
 	memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set));
-	intel_dp->link_trained = false;
+	intel_dp->link.active = false;
 	intel_dp->needs_modeset_retry = false;
 	intel_dp->link_rate = link_rate;
 	intel_dp->lane_count = lane_count;
···
 	if (crtc_state) {
 		intel_dp_reset_link_params(intel_dp);
 		intel_dp_set_link_params(intel_dp, crtc_state->port_clock, crtc_state->lane_count);
-		intel_dp->link_trained = true;
+		intel_dp->link.active = true;
 	}
 }
 
···
 {
 	u8 link_status[DP_LINK_STATUS_SIZE];
 
-	if (!intel_dp->link_trained)
+	if (!intel_dp->link.active)
 		return false;
 
 	/*

drivers/gpu/drm/i915/display/intel_dp_link_training.c

···
 	 * resetting its internal state when the mode is changed from
 	 * non-transparent to transparent.
 	 */
-	if (intel_dp->link_trained) {
+	if (intel_dp->link.active) {
 		if (lttpr_count < 0 || intel_dp_lttpr_transparent_mode_enabled(intel_dp))
 			goto out_reset_lttpr_count;
 
···
 	struct intel_display *display = to_intel_display(intel_dp);
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
 
-	intel_dp->link_trained = true;
+	intel_dp->link.active = true;
 
 	intel_dp_disable_dpcd_training_pattern(intel_dp, DP_PHY_DPRX);
 	intel_dp_program_link_training_pattern(intel_dp, crtc_state, DP_PHY_DPRX,
···
 	if (err)
 		return err;
 
-	if (intel_dp->link_trained)
+	if (intel_dp->link.active)
 		current_rate = intel_dp->link_rate;
 	force_rate = intel_dp->link.force_rate;
 
···
 	if (err)
 		return err;
 
-	if (intel_dp->link_trained)
+	if (intel_dp->link.active)
 		current_lane_count = intel_dp->lane_count;
 	force_lane_count = intel_dp->link.force_lane_count;
 

drivers/gpu/drm/i915/display/intel_dp_mst.c

···
 		    intel_dp->mst.active_links);
 
 	if (intel_dp->mst.active_links == 1)
-		intel_dp->link_trained = false;
+		intel_dp->link.active = false;
 
 	intel_hdcp_disable(intel_mst->connector);
 
···
 	u8 rate_select;
 	u8 link_bw;
 
-	if (intel_dp->link_trained)
+	if (intel_dp->link.active)
 		return;
 
 	if (intel_mst_probed_link_params_valid(intel_dp, link_rate, lane_count))