// SPDX-License-Identifier: MIT/* * Copyright © 2024 Intel Corporation */ #include <linux/workqueue.h> #include "intel_display_core.h"#include "intel_display_types.h"#include "intel_encoder.h"#include "intel_hotplug.h" static void intel_encoder_link_check_work_fn(struct work_struct *work){	struct intel_encoder *encoder =		container_of(work, typeof(*encoder), link_check_work.work); 	encoder->link_check(encoder);} void intel_encoder_link_check_init(struct intel_encoder *encoder,				   void (*callback)(struct intel_encoder *encoder)){	INIT_DELAYED_WORK(&encoder->link_check_work, intel_encoder_link_check_work_fn);	encoder->link_check = callback;} void intel_encoder_link_check_flush_work(struct intel_encoder *encoder){	cancel_delayed_work_sync(&encoder->link_check_work);} void intel_encoder_link_check_queue_work(struct intel_encoder *encoder, int delay_ms){	struct intel_display *display = to_intel_display(encoder); 	mod_delayed_work(display->wq.unordered,			 &encoder->link_check_work, msecs_to_jiffies(delay_ms));} void intel_encoder_unblock_all_hpds(struct intel_display *display){	struct intel_encoder *encoder; 	if (!HAS_DISPLAY(display))		return; 	for_each_intel_encoder(display->drm, encoder)		intel_hpd_unblock(encoder);} void intel_encoder_block_all_hpds(struct intel_display *display){	struct intel_encoder *encoder; 	if (!HAS_DISPLAY(display))		return; 	for_each_intel_encoder(display->drm, encoder)		intel_hpd_block(encoder);} void intel_encoder_suspend_all(struct intel_display *display){	struct intel_encoder *encoder; 	if (!HAS_DISPLAY(display))		return; 	/*	 * TODO: check and remove holding the modeset locks if none of	 * the encoders depends on this.	 */	drm_modeset_lock_all(display->drm);	for_each_intel_encoder(display->drm, encoder)		if (encoder->suspend)			encoder->suspend(encoder);	drm_modeset_unlock_all(display->drm); 	for_each_intel_encoder(display->drm, encoder)		if (encoder->suspend_complete)			encoder->suspend_complete(encoder);} void intel_encoder_shutdown_all(struct intel_display *display){	struct intel_encoder *encoder; 	if (!HAS_DISPLAY(display))		return; 	/*	 * TODO: check and remove holding the modeset locks if none of	 * the encoders depends on this.	 */	drm_modeset_lock_all(display->drm);	for_each_intel_encoder(display->drm, encoder)		if (encoder->shutdown)			encoder->shutdown(encoder);	drm_modeset_unlock_all(display->drm); 	for_each_intel_encoder(display->drm, encoder)		if (encoder->shutdown_complete)			encoder->shutdown_complete(encoder);} struct intel_digital_port *intel_dig_port_alloc(void){	struct intel_digital_port *dig_port; 	dig_port = kzalloc_obj(*dig_port);	if (!dig_port)		return NULL; 	dig_port->hdmi.hdmi_reg = INVALID_MMIO_REG;	dig_port->dp.output_reg = INVALID_MMIO_REG;	dig_port->aux_ch = AUX_CH_NONE;	dig_port->max_lanes = 4; 	mutex_init(&dig_port->hdcp.mutex); 	return dig_port;}