Lines Matching +full:sc8180x +full:- +full:edp +full:- +full:phy
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
32 MODULE_PARM_DESC(psr_enabled, "enable PSR for eDP and DP displays");
177 { .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_descs },
178 { .compatible = "qcom,sc7280-dp", .data = &sc7280_dp_descs },
179 { .compatible = "qcom,sc7280-edp", .data = &sc7280_dp_descs },
180 { .compatible = "qcom,sc8180x-dp", .data = &sc8180x_dp_descs },
181 { .compatible = "qcom,sc8180x-edp", .data = &sc8180x_dp_descs },
182 { .compatible = "qcom,sc8280xp-dp", .data = &sc8280xp_dp_descs },
183 { .compatible = "qcom,sc8280xp-edp", .data = &sc8280xp_edp_descs },
184 { .compatible = "qcom,sdm845-dp", .data = &sc7180_dp_descs },
185 { .compatible = "qcom,sm8350-dp", .data = &sm8350_dp_descs },
186 { .compatible = "qcom,sm8650-dp", .data = &sm8650_dp_descs },
204 spin_lock_irqsave(&dp_priv->event_lock, flag); in dp_add_event()
205 pndx = dp_priv->event_pndx + 1; in dp_add_event()
207 if (pndx == dp_priv->event_gndx) { in dp_add_event()
209 dp_priv->event_pndx, dp_priv->event_gndx); in dp_add_event()
210 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_add_event()
211 return -EPERM; in dp_add_event()
213 todo = &dp_priv->event_list[dp_priv->event_pndx++]; in dp_add_event()
214 dp_priv->event_pndx %= DP_EVENT_Q_MAX; in dp_add_event()
215 todo->event_id = event; in dp_add_event()
216 todo->data = data; in dp_add_event()
217 todo->delay = delay; in dp_add_event()
218 wake_up(&dp_priv->event_q); in dp_add_event()
219 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_add_event()
230 spin_lock_irqsave(&dp_priv->event_lock, flag); in dp_del_event()
231 if (dp_priv->event_pndx == dp_priv->event_gndx) { in dp_del_event()
232 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_del_event()
233 return -ENOENT; in dp_del_event()
236 gndx = dp_priv->event_gndx; in dp_del_event()
237 while (dp_priv->event_pndx != gndx) { in dp_del_event()
238 todo = &dp_priv->event_list[gndx]; in dp_del_event()
239 if (todo->event_id == event) { in dp_del_event()
240 todo->event_id = EV_NO_EVENT; /* deleted */ in dp_del_event()
241 todo->delay = 0; in dp_del_event()
246 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_del_event()
257 reinit_completion(&dp->audio_comp); in dp_display_signal_audio_start()
266 complete_all(&dp->audio_comp); in dp_display_signal_audio_complete()
277 struct drm_device *drm = priv->dev; in dp_display_bind()
279 dp->dp_display.drm_dev = drm; in dp_display_bind()
280 priv->dp[dp->id] = &dp->dp_display; in dp_display_bind()
284 dp->drm_dev = drm; in dp_display_bind()
285 dp->aux->drm_dev = drm; in dp_display_bind()
286 rc = dp_aux_register(dp->aux); in dp_display_bind()
293 rc = dp_register_audio_driver(dev, dp->audio); in dp_display_bind()
316 kthread_stop(dp->ev_tsk); in dp_display_unbind()
318 of_dp_aux_depopulate_bus(dp->aux); in dp_display_unbind()
320 dp_unregister_audio_driver(dev, dp->audio); in dp_display_unbind()
321 dp_aux_unregister(dp->aux); in dp_display_unbind()
322 dp->drm_dev = NULL; in dp_display_unbind()
323 dp->aux->drm_dev = NULL; in dp_display_unbind()
324 priv->dp[dp->id] = NULL; in dp_display_unbind()
339 connector = dp->dp_display.connector; in dp_display_send_hpd_event()
340 drm_helper_hpd_irq_event(connector->dev); in dp_display_send_hpd_event()
346 if ((hpd && dp->dp_display.link_ready) || in dp_display_send_hpd_notification()
347 (!hpd && !dp->dp_display.link_ready)) { in dp_display_send_hpd_notification()
348 drm_dbg_dp(dp->drm_dev, "HPD already %s\n", in dp_display_send_hpd_notification()
355 dp->panel->video_test = false; in dp_display_send_hpd_notification()
356 if (!dp->dp_display.is_edp) in dp_display_send_hpd_notification()
357 drm_dp_set_subconnector_property(dp->dp_display.connector, in dp_display_send_hpd_notification()
359 dp->panel->dpcd, in dp_display_send_hpd_notification()
360 dp->panel->downstream_ports); in dp_display_send_hpd_notification()
363 dp->dp_display.link_ready = hpd; in dp_display_send_hpd_notification()
365 drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n", in dp_display_send_hpd_notification()
366 dp->dp_display.connector_type, hpd); in dp_display_send_hpd_notification()
367 dp_display_send_hpd_event(&dp->dp_display); in dp_display_send_hpd_notification()
377 dp->panel->max_dp_lanes = dp->parser->max_dp_lanes; in dp_display_process_hpd_high()
378 dp->panel->max_dp_link_rate = dp->parser->max_dp_link_rate; in dp_display_process_hpd_high()
380 drm_dbg_dp(dp->drm_dev, "max_lanes=%d max_link_rate=%d\n", in dp_display_process_hpd_high()
381 dp->panel->max_dp_lanes, dp->panel->max_dp_link_rate); in dp_display_process_hpd_high()
383 rc = dp_panel_read_sink_caps(dp->panel, dp->dp_display.connector); in dp_display_process_hpd_high()
387 dp_link_process_request(dp->link); in dp_display_process_hpd_high()
389 if (!dp->dp_display.is_edp) in dp_display_process_hpd_high()
390 drm_dp_set_subconnector_property(dp->dp_display.connector, in dp_display_process_hpd_high()
392 dp->panel->dpcd, in dp_display_process_hpd_high()
393 dp->panel->downstream_ports); in dp_display_process_hpd_high()
395 edid = dp->panel->edid; in dp_display_process_hpd_high()
397 dp->dp_display.psr_supported = dp->panel->psr_cap.version && psr_enabled; in dp_display_process_hpd_high()
399 dp->audio_supported = drm_detect_monitor_audio(edid); in dp_display_process_hpd_high()
400 dp_panel_handle_sink_request(dp->panel); in dp_display_process_hpd_high()
402 dp->dp_display.max_dp_lanes = dp->parser->max_dp_lanes; in dp_display_process_hpd_high()
405 * set sink to normal operation mode -- D0 in dp_display_process_hpd_high()
408 dp_link_psm_config(dp->link, &dp->panel->link_info, false); in dp_display_process_hpd_high()
410 dp_link_reset_phy_params_vx_px(dp->link); in dp_display_process_hpd_high()
411 rc = dp_ctrl_on_link(dp->ctrl); in dp_display_process_hpd_high()
425 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_phy_init()
426 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_phy_init()
427 dp->phy_initialized); in dp_display_host_phy_init()
429 if (!dp->phy_initialized) { in dp_display_host_phy_init()
430 dp_ctrl_phy_init(dp->ctrl); in dp_display_host_phy_init()
431 dp->phy_initialized = true; in dp_display_host_phy_init()
437 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_phy_exit()
438 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_phy_exit()
439 dp->phy_initialized); in dp_display_host_phy_exit()
441 if (dp->phy_initialized) { in dp_display_host_phy_exit()
442 dp_ctrl_phy_exit(dp->ctrl); in dp_display_host_phy_exit()
443 dp->phy_initialized = false; in dp_display_host_phy_exit()
449 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_init()
450 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_init()
451 dp->phy_initialized); in dp_display_host_init()
453 dp_power_init(dp->power); in dp_display_host_init()
454 dp_ctrl_reset_irq_ctrl(dp->ctrl, true); in dp_display_host_init()
455 dp_aux_init(dp->aux); in dp_display_host_init()
456 dp->core_initialized = true; in dp_display_host_init()
461 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_deinit()
462 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_deinit()
463 dp->phy_initialized); in dp_display_host_deinit()
465 dp_ctrl_reset_irq_ctrl(dp->ctrl, false); in dp_display_host_deinit()
466 dp_aux_deinit(dp->aux); in dp_display_host_deinit()
467 dp_power_deinit(dp->power); in dp_display_host_deinit()
468 dp->core_initialized = false; in dp_display_host_deinit()
491 if (dp->link->sink_request & DP_TEST_LINK_VIDEO_PATTERN) { in dp_display_handle_video_request()
492 dp->panel->video_test = true; in dp_display_handle_video_request()
493 dp_link_send_test_response(dp->link); in dp_display_handle_video_request()
501 if (drm_dp_is_branch(dp->panel->dpcd) && dp->link->sink_count == 0) { in dp_display_handle_port_ststus_changed()
502 drm_dbg_dp(dp->drm_dev, "sink count is zero, nothing to do\n"); in dp_display_handle_port_ststus_changed()
503 if (dp->hpd_state != ST_DISCONNECTED) { in dp_display_handle_port_ststus_changed()
504 dp->hpd_state = ST_DISCONNECT_PENDING; in dp_display_handle_port_ststus_changed()
508 if (dp->hpd_state == ST_DISCONNECTED) { in dp_display_handle_port_ststus_changed()
509 dp->hpd_state = ST_MAINLINK_READY; in dp_display_handle_port_ststus_changed()
512 dp->hpd_state = ST_DISCONNECTED; in dp_display_handle_port_ststus_changed()
521 u32 sink_request = dp->link->sink_request; in dp_display_handle_irq_hpd()
523 drm_dbg_dp(dp->drm_dev, "%d\n", sink_request); in dp_display_handle_irq_hpd()
524 if (dp->hpd_state == ST_DISCONNECTED) { in dp_display_handle_irq_hpd()
526 drm_dbg_dp(dp->drm_dev, "Disconnected sink_request: %d\n", in dp_display_handle_irq_hpd()
529 return -EINVAL; in dp_display_handle_irq_hpd()
533 dp_ctrl_handle_sink_request(dp->ctrl); in dp_display_handle_irq_hpd()
548 rc = dp_link_process_request(dp->link); in dp_display_usbpd_attention_cb()
550 sink_request = dp->link->sink_request; in dp_display_usbpd_attention_cb()
551 drm_dbg_dp(dp->drm_dev, "hpd_state=%d sink_request=%d\n", in dp_display_usbpd_attention_cb()
552 dp->hpd_state, sink_request); in dp_display_usbpd_attention_cb()
566 struct platform_device *pdev = dp->dp_display.pdev; in dp_hpd_plug_handle()
568 mutex_lock(&dp->event_mutex); in dp_hpd_plug_handle()
570 state = dp->hpd_state; in dp_hpd_plug_handle()
571 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in dp_hpd_plug_handle()
572 dp->dp_display.connector_type, state); in dp_hpd_plug_handle()
575 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
580 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
587 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
591 ret = pm_runtime_resume_and_get(&pdev->dev); in dp_hpd_plug_handle()
594 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
598 ret = dp_display_usbpd_configure_cb(&pdev->dev); in dp_hpd_plug_handle()
600 dp->hpd_state = ST_DISCONNECTED; in dp_hpd_plug_handle()
602 dp->hpd_state = ST_MAINLINK_READY; in dp_hpd_plug_handle()
605 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in dp_hpd_plug_handle()
606 dp->dp_display.connector_type, state); in dp_hpd_plug_handle()
607 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
622 if (dp_display->plugged_cb && dp_display->codec_dev && in dp_display_handle_plugged_change()
623 dp->audio_supported) in dp_display_handle_plugged_change()
624 dp_display->plugged_cb(dp_display->codec_dev, plugged); in dp_display_handle_plugged_change()
630 struct platform_device *pdev = dp->dp_display.pdev; in dp_hpd_unplug_handle()
632 mutex_lock(&dp->event_mutex); in dp_hpd_unplug_handle()
634 state = dp->hpd_state; in dp_hpd_unplug_handle()
636 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in dp_hpd_unplug_handle()
637 dp->dp_display.connector_type, state); in dp_hpd_unplug_handle()
644 if (dp->link->sink_count == 0) { in dp_hpd_unplug_handle()
647 dp_display_notify_disconnect(&dp->dp_display.pdev->dev); in dp_hpd_unplug_handle()
648 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
651 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
654 dp_ctrl_off_link(dp->ctrl); in dp_hpd_unplug_handle()
656 dp->hpd_state = ST_DISCONNECTED; in dp_hpd_unplug_handle()
657 dp_display_notify_disconnect(&dp->dp_display.pdev->dev); in dp_hpd_unplug_handle()
658 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
666 dp_display_notify_disconnect(&dp->dp_display.pdev->dev); in dp_hpd_unplug_handle()
669 dp->hpd_state = ST_DISCONNECTED; in dp_hpd_unplug_handle()
671 dp->hpd_state = ST_DISCONNECT_PENDING; in dp_hpd_unplug_handle()
675 dp_display_handle_plugged_change(&dp->dp_display, false); in dp_hpd_unplug_handle()
677 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in dp_hpd_unplug_handle()
678 dp->dp_display.connector_type, state); in dp_hpd_unplug_handle()
681 pm_runtime_put_sync(&pdev->dev); in dp_hpd_unplug_handle()
682 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
690 mutex_lock(&dp->event_mutex); in dp_irq_hpd_handle()
693 state = dp->hpd_state; in dp_irq_hpd_handle()
694 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in dp_irq_hpd_handle()
695 dp->dp_display.connector_type, state); in dp_irq_hpd_handle()
698 mutex_unlock(&dp->event_mutex); in dp_irq_hpd_handle()
705 mutex_unlock(&dp->event_mutex); in dp_irq_hpd_handle()
709 dp_display_usbpd_attention_cb(&dp->dp_display.pdev->dev); in dp_irq_hpd_handle()
711 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in dp_irq_hpd_handle()
712 dp->dp_display.connector_type, state); in dp_irq_hpd_handle()
714 mutex_unlock(&dp->event_mutex); in dp_irq_hpd_handle()
721 dp_audio_put(dp->audio); in dp_display_deinit_sub_modules()
722 dp_panel_put(dp->panel); in dp_display_deinit_sub_modules()
723 dp_aux_put(dp->aux); in dp_display_deinit_sub_modules()
729 struct device *dev = &dp->dp_display.pdev->dev; in dp_init_sub_modules()
734 dp->parser = dp_parser_get(dp->dp_display.pdev); in dp_init_sub_modules()
735 if (IS_ERR(dp->parser)) { in dp_init_sub_modules()
736 rc = PTR_ERR(dp->parser); in dp_init_sub_modules()
738 dp->parser = NULL; in dp_init_sub_modules()
742 dp->catalog = dp_catalog_get(dev, &dp->parser->io); in dp_init_sub_modules()
743 if (IS_ERR(dp->catalog)) { in dp_init_sub_modules()
744 rc = PTR_ERR(dp->catalog); in dp_init_sub_modules()
746 dp->catalog = NULL; in dp_init_sub_modules()
750 dp->power = dp_power_get(dev, dp->parser); in dp_init_sub_modules()
751 if (IS_ERR(dp->power)) { in dp_init_sub_modules()
752 rc = PTR_ERR(dp->power); in dp_init_sub_modules()
754 dp->power = NULL; in dp_init_sub_modules()
758 dp->aux = dp_aux_get(dev, dp->catalog, dp->dp_display.is_edp); in dp_init_sub_modules()
759 if (IS_ERR(dp->aux)) { in dp_init_sub_modules()
760 rc = PTR_ERR(dp->aux); in dp_init_sub_modules()
762 dp->aux = NULL; in dp_init_sub_modules()
766 dp->link = dp_link_get(dev, dp->aux); in dp_init_sub_modules()
767 if (IS_ERR(dp->link)) { in dp_init_sub_modules()
768 rc = PTR_ERR(dp->link); in dp_init_sub_modules()
770 dp->link = NULL; in dp_init_sub_modules()
774 panel_in.aux = dp->aux; in dp_init_sub_modules()
775 panel_in.catalog = dp->catalog; in dp_init_sub_modules()
776 panel_in.link = dp->link; in dp_init_sub_modules()
778 dp->panel = dp_panel_get(&panel_in); in dp_init_sub_modules()
779 if (IS_ERR(dp->panel)) { in dp_init_sub_modules()
780 rc = PTR_ERR(dp->panel); in dp_init_sub_modules()
782 dp->panel = NULL; in dp_init_sub_modules()
786 dp->ctrl = dp_ctrl_get(dev, dp->link, dp->panel, dp->aux, in dp_init_sub_modules()
787 dp->power, dp->catalog, dp->parser); in dp_init_sub_modules()
788 if (IS_ERR(dp->ctrl)) { in dp_init_sub_modules()
789 rc = PTR_ERR(dp->ctrl); in dp_init_sub_modules()
791 dp->ctrl = NULL; in dp_init_sub_modules()
795 dp->audio = dp_audio_get(dp->dp_display.pdev, dp->panel, dp->catalog); in dp_init_sub_modules()
796 if (IS_ERR(dp->audio)) { in dp_init_sub_modules()
797 rc = PTR_ERR(dp->audio); in dp_init_sub_modules()
799 dp->audio = NULL; in dp_init_sub_modules()
804 dp->ctrl->wide_bus_en = dp->wide_bus_en; in dp_init_sub_modules()
805 dp->catalog->wide_bus_en = dp->wide_bus_en; in dp_init_sub_modules()
810 dp_panel_put(dp->panel); in dp_init_sub_modules()
812 dp_aux_put(dp->aux); in dp_init_sub_modules()
824 drm_mode_copy(&dp->panel->dp_mode.drm_mode, &mode->drm_mode); in dp_display_set_mode()
825 dp->panel->dp_mode.bpp = mode->bpp; in dp_display_set_mode()
826 dp->panel->dp_mode.capabilities = mode->capabilities; in dp_display_set_mode()
827 dp_panel_init_panel_info(dp->panel); in dp_display_set_mode()
834 struct msm_dp *dp_display = &dp->dp_display; in dp_display_enable()
836 drm_dbg_dp(dp->drm_dev, "sink_count=%d\n", dp->link->sink_count); in dp_display_enable()
837 if (dp_display->power_on) { in dp_display_enable()
838 drm_dbg_dp(dp->drm_dev, "Link already setup, return\n"); in dp_display_enable()
842 rc = dp_ctrl_on_stream(dp->ctrl, force_link_train); in dp_display_enable()
844 dp_display->power_on = true; in dp_display_enable()
856 rate = dp->link->link_params.rate; in dp_display_post_enable()
858 if (dp->audio_supported) { in dp_display_post_enable()
859 dp->audio->bw_code = drm_dp_link_rate_to_bw_code(rate); in dp_display_post_enable()
860 dp->audio->lane_count = dp->link->link_params.num_lanes; in dp_display_post_enable()
866 if (dp_display->psr_supported) in dp_display_post_enable()
867 dp_ctrl_config_psr(dp->ctrl); in dp_display_post_enable()
874 struct msm_dp *dp_display = &dp->dp_display; in dp_display_disable()
876 if (!dp_display->power_on) in dp_display_disable()
880 if (dp_display->audio_enabled) { in dp_display_disable()
883 if (!wait_for_completion_timeout(&dp->audio_comp, in dp_display_disable()
888 dp_display->audio_enabled = false; in dp_display_disable()
890 if (dp->link->sink_count == 0) { in dp_display_disable()
895 dp_ctrl_off_link_stream(dp->ctrl); in dp_display_disable()
901 dp_ctrl_off(dp->ctrl); in dp_display_disable()
905 dp_display->power_on = false; in dp_display_disable()
907 drm_dbg_dp(dp->drm_dev, "sink count: %d\n", dp->link->sink_count); in dp_display_disable()
916 dp_display->plugged_cb = fn; in dp_display_set_plugged_cb()
917 dp_display->codec_dev = codec_dev; in dp_display_set_plugged_cb()
918 plugged = dp_display->link_ready; in dp_display_set_plugged_cb()
925 * dp_bridge_mode_valid - callback to determine if specified mode is valid
940 int mode_pclk_khz = mode->clock; in dp_bridge_mode_valid()
942 dp = to_dp_bridge(bridge)->dp_display; in dp_bridge_mode_valid()
944 if (!dp || !mode_pclk_khz || !dp->connector) { in dp_bridge_mode_valid()
946 return -EINVAL; in dp_bridge_mode_valid()
949 if (mode->clock > DP_MAX_PIXEL_CLK_KHZ) in dp_bridge_mode_valid()
953 link_info = &dp_display->panel->link_info; in dp_bridge_mode_valid()
955 mode_bpp = dp->connector->display_info.bpc * num_components; in dp_bridge_mode_valid()
959 mode_bpp = dp_panel_get_mode_bpp(dp_display->panel, in dp_bridge_mode_valid()
963 supported_rate_khz = link_info->num_lanes * link_info->rate * 8; in dp_bridge_mode_valid()
982 return dp_panel_get_modes(dp_display->panel, in dp_display_get_modes()
983 dp->connector); in dp_display_get_modes()
992 return dp_display->panel->video_test; in dp_display_check_video_test()
1007 dp_display->link->test_video.test_bit_depth); in dp_display_get_test_bpp()
1023 mutex_lock(&dp_display->event_mutex); in msm_dp_snapshot()
1025 if (!dp->power_on) { in msm_dp_snapshot()
1026 mutex_unlock(&dp_display->event_mutex); in msm_dp_snapshot()
1030 dp_catalog_snapshot(dp_display->catalog, disp_state); in msm_dp_snapshot()
1032 mutex_unlock(&dp_display->event_mutex); in msm_dp_snapshot()
1045 dp_ctrl_set_psr(dp->ctrl, enter); in dp_display_set_psr()
1059 wait_event_timeout(dp_priv->event_q, in hpd_event_thread()
1060 (dp_priv->event_pndx == dp_priv->event_gndx) || in hpd_event_thread()
1063 wait_event_interruptible(dp_priv->event_q, in hpd_event_thread()
1064 (dp_priv->event_pndx != dp_priv->event_gndx) || in hpd_event_thread()
1071 spin_lock_irqsave(&dp_priv->event_lock, flag); in hpd_event_thread()
1072 todo = &dp_priv->event_list[dp_priv->event_gndx]; in hpd_event_thread()
1073 if (todo->delay) { in hpd_event_thread()
1076 dp_priv->event_gndx++; in hpd_event_thread()
1077 dp_priv->event_gndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1080 todo_next = &dp_priv->event_list[dp_priv->event_pndx++]; in hpd_event_thread()
1081 dp_priv->event_pndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1082 todo_next->event_id = todo->event_id; in hpd_event_thread()
1083 todo_next->data = todo->data; in hpd_event_thread()
1084 todo_next->delay = todo->delay - 1; in hpd_event_thread()
1087 todo->event_id = EV_NO_EVENT; in hpd_event_thread()
1088 todo->delay = 0; in hpd_event_thread()
1092 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in hpd_event_thread()
1097 if (dp_priv->event_pndx == dp_priv->event_gndx) { in hpd_event_thread()
1098 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in hpd_event_thread()
1102 dp_priv->event_gndx++; in hpd_event_thread()
1103 dp_priv->event_gndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1105 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in hpd_event_thread()
1107 switch (todo->event_id) { in hpd_event_thread()
1109 dp_hpd_plug_handle(dp_priv, todo->data); in hpd_event_thread()
1112 dp_hpd_unplug_handle(dp_priv, todo->data); in hpd_event_thread()
1115 dp_irq_hpd_handle(dp_priv, todo->data); in hpd_event_thread()
1119 todo->data); in hpd_event_thread()
1132 dp_priv->event_gndx = 0; in dp_hpd_event_thread_start()
1133 dp_priv->event_pndx = 0; in dp_hpd_event_thread_start()
1135 dp_priv->ev_tsk = kthread_run(hpd_event_thread, dp_priv, "dp_hpd_handler"); in dp_hpd_event_thread_start()
1136 if (IS_ERR(dp_priv->ev_tsk)) in dp_hpd_event_thread_start()
1137 return PTR_ERR(dp_priv->ev_tsk); in dp_hpd_event_thread_start()
1153 hpd_isr_status = dp_catalog_hpd_get_intr_status(dp->catalog); in dp_display_irq_handler()
1156 drm_dbg_dp(dp->drm_dev, "type=%d isr=0x%x\n", in dp_display_irq_handler()
1157 dp->dp_display.connector_type, hpd_isr_status); in dp_display_irq_handler()
1178 ret |= dp_ctrl_isr(dp->ctrl); in dp_display_irq_handler()
1181 ret |= dp_aux_isr(dp->aux); in dp_display_irq_handler()
1189 struct platform_device *pdev = dp->dp_display.pdev; in dp_display_request_irq()
1191 dp->irq = platform_get_irq(pdev, 0); in dp_display_request_irq()
1192 if (dp->irq < 0) { in dp_display_request_irq()
1194 return dp->irq; in dp_display_request_irq()
1197 rc = devm_request_irq(&pdev->dev, dp->irq, dp_display_irq_handler, in dp_display_request_irq()
1203 dp->irq, rc); in dp_display_request_irq()
1212 const struct msm_dp_desc *descs = of_device_get_match_data(&pdev->dev); in dp_display_get_desc()
1221 if (descs[i].io_start == res->start) in dp_display_get_desc()
1225 dev_err(&pdev->dev, "unknown displayport instance\n"); in dp_display_get_desc()
1249 return dp_display_probe_tail(aux->dev); in dp_auxbus_done_probe()
1258 if (!pdev || !pdev->dev.of_node) { in dp_display_probe()
1260 return -ENODEV; in dp_display_probe()
1263 dp = devm_kzalloc(&pdev->dev, sizeof(*dp), GFP_KERNEL); in dp_display_probe()
1265 return -ENOMEM; in dp_display_probe()
1269 return -EINVAL; in dp_display_probe()
1271 dp->dp_display.pdev = pdev; in dp_display_probe()
1272 dp->name = "drm_dp"; in dp_display_probe()
1273 dp->id = desc->id; in dp_display_probe()
1274 dp->dp_display.connector_type = desc->connector_type; in dp_display_probe()
1275 dp->wide_bus_en = desc->wide_bus_en; in dp_display_probe()
1276 dp->dp_display.is_edp = in dp_display_probe()
1277 (dp->dp_display.connector_type == DRM_MODE_CONNECTOR_eDP); in dp_display_probe()
1282 return -EPROBE_DEFER; in dp_display_probe()
1285 rc = dp->parser->parse(dp->parser); in dp_display_probe()
1291 rc = dp_power_client_init(dp->power); in dp_display_probe()
1298 mutex_init(&dp->event_mutex); in dp_display_probe()
1299 init_waitqueue_head(&dp->event_q); in dp_display_probe()
1300 spin_lock_init(&dp->event_lock); in dp_display_probe()
1303 dp->dp_display.dp_audio = dp->audio; in dp_display_probe()
1305 init_completion(&dp->audio_comp); in dp_display_probe()
1307 platform_set_drvdata(pdev, &dp->dp_display); in dp_display_probe()
1309 rc = devm_pm_runtime_enable(&pdev->dev); in dp_display_probe()
1317 if (dp->dp_display.is_edp) { in dp_display_probe()
1318 rc = devm_of_dp_aux_populate_bus(dp->aux, dp_auxbus_done_probe); in dp_display_probe()
1320 DRM_ERROR("eDP auxbus population failed, rc=%d\n", rc); in dp_display_probe()
1324 rc = dp_display_probe_tail(&pdev->dev); in dp_display_probe()
1338 struct dp_display_private *dp = dev_get_dp_display_private(&pdev->dev); in dp_display_remove()
1340 component_del(&pdev->dev, &dp_display_comp_ops); in dp_display_remove()
1349 disable_irq(dp->irq); in dp_pm_runtime_suspend()
1351 if (dp->dp_display.is_edp) { in dp_pm_runtime_suspend()
1353 dp_catalog_ctrl_hpd_disable(dp->catalog); in dp_pm_runtime_suspend()
1365 * for eDP, host cotroller, HPD block and PHY are enabled here in dp_pm_runtime_resume()
1370 * PHY will be enabled at plugin handler later in dp_pm_runtime_resume()
1373 if (dp->dp_display.is_edp) { in dp_pm_runtime_resume()
1374 dp_catalog_ctrl_hpd_enable(dp->catalog); in dp_pm_runtime_resume()
1378 enable_irq(dp->irq); in dp_pm_runtime_resume()
1392 .name = "msm-dp-display",
1421 return dp->wide_bus_en; in msm_dp_wide_bus_available()
1431 dev = &dp->dp_display.pdev->dev; in dp_display_debugfs_init()
1433 dp->debug = dp_debug_get(dev, dp->panel, in dp_display_debugfs_init()
1434 dp->link, dp->dp_display.connector, in dp_display_debugfs_init()
1436 if (IS_ERR(dp->debug)) { in dp_display_debugfs_init()
1437 rc = PTR_ERR(dp->debug); in dp_display_debugfs_init()
1439 dp->debug = NULL; in dp_display_debugfs_init()
1451 * External bridges are mandatory for eDP interfaces: one has to in dp_display_get_next_bridge()
1452 * provide at least an eDP panel (which gets wrapped into panel-bridge). in dp_display_get_next_bridge()
1455 * silently ignore an error if one is not present (-ENODEV). in dp_display_get_next_bridge()
1457 rc = devm_dp_parser_find_next_bridge(&dp->pdev->dev, dp_priv->parser); in dp_display_get_next_bridge()
1458 if (!dp->is_edp && rc == -ENODEV) in dp_display_get_next_bridge()
1462 dp->next_bridge = dp_priv->parser->next_bridge; in dp_display_get_next_bridge()
1473 dp_display->drm_dev = dev; in msm_dp_modeset_init()
1479 DRM_DEV_ERROR(dev->dev, in msm_dp_modeset_init()
1484 dp_display->connector = dp_drm_connector_init(dp_display, encoder); in msm_dp_modeset_init()
1485 if (IS_ERR(dp_display->connector)) { in msm_dp_modeset_init()
1486 ret = PTR_ERR(dp_display->connector); in msm_dp_modeset_init()
1487 DRM_DEV_ERROR(dev->dev, in msm_dp_modeset_init()
1489 dp_display->connector = NULL; in msm_dp_modeset_init()
1493 dp_priv->panel->connector = dp_display->connector; in msm_dp_modeset_init()
1502 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_atomic_enable()
1509 if (!dp_display->dp_mode.drm_mode.clock) { in dp_bridge_atomic_enable()
1514 if (dp->is_edp) in dp_bridge_atomic_enable()
1517 mutex_lock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1518 if (pm_runtime_resume_and_get(&dp->pdev->dev)) { in dp_bridge_atomic_enable()
1520 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1524 state = dp_display->hpd_state; in dp_bridge_atomic_enable()
1526 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1530 rc = dp_display_set_mode(dp, &dp_display->dp_mode); in dp_bridge_atomic_enable()
1533 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1537 state = dp_display->hpd_state; in dp_bridge_atomic_enable()
1553 dp_display->hpd_state = ST_CONNECTED; in dp_bridge_atomic_enable()
1555 drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type); in dp_bridge_atomic_enable()
1556 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1563 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_atomic_disable()
1568 dp_ctrl_push_idle(dp_display->ctrl); in dp_bridge_atomic_disable()
1575 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_atomic_post_disable()
1581 if (dp->is_edp) in dp_bridge_atomic_post_disable()
1584 mutex_lock(&dp_display->event_mutex); in dp_bridge_atomic_post_disable()
1586 state = dp_display->hpd_state; in dp_bridge_atomic_post_disable()
1588 drm_dbg_dp(dp->drm_dev, "type=%d wrong hpd_state=%d\n", in dp_bridge_atomic_post_disable()
1589 dp->connector_type, state); in dp_bridge_atomic_post_disable()
1593 state = dp_display->hpd_state; in dp_bridge_atomic_post_disable()
1596 dp_display->hpd_state = ST_DISCONNECTED; in dp_bridge_atomic_post_disable()
1598 dp_display->hpd_state = ST_DISPLAY_OFF; in dp_bridge_atomic_post_disable()
1601 drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type); in dp_bridge_atomic_post_disable()
1603 pm_runtime_put_sync(&dp->pdev->dev); in dp_bridge_atomic_post_disable()
1604 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_post_disable()
1612 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_mode_set()
1617 memset(&dp_display->dp_mode, 0x0, sizeof(struct dp_display_mode)); in dp_bridge_mode_set()
1620 dp_display->dp_mode.bpp = dp_display_get_test_bpp(dp); in dp_bridge_mode_set()
1622 dp_display->dp_mode.bpp = dp->connector->display_info.bpc * 3; in dp_bridge_mode_set()
1624 if (!dp_display->dp_mode.bpp) in dp_bridge_mode_set()
1625 dp_display->dp_mode.bpp = 24; /* Default bpp */ in dp_bridge_mode_set()
1627 drm_mode_copy(&dp_display->dp_mode.drm_mode, adjusted_mode); in dp_bridge_mode_set()
1629 dp_display->dp_mode.v_active_low = in dp_bridge_mode_set()
1630 !!(dp_display->dp_mode.drm_mode.flags & DRM_MODE_FLAG_NVSYNC); in dp_bridge_mode_set()
1632 dp_display->dp_mode.h_active_low = in dp_bridge_mode_set()
1633 !!(dp_display->dp_mode.drm_mode.flags & DRM_MODE_FLAG_NHSYNC); in dp_bridge_mode_set()
1639 struct msm_dp *dp_display = dp_bridge->dp_display; in dp_bridge_hpd_enable()
1644 * step-1: dp_pm_runtime_resume() enable dp host only in dp_bridge_hpd_enable()
1645 * step-2: enable hdp block and have hpd irq enabled here in dp_bridge_hpd_enable()
1646 * step-3: waiting for plugin irq while phy is not initialized in dp_bridge_hpd_enable()
1647 * step-4: DP PHY is initialized at plugin handler before link training in dp_bridge_hpd_enable()
1650 mutex_lock(&dp->event_mutex); in dp_bridge_hpd_enable()
1651 if (pm_runtime_resume_and_get(&dp_display->pdev->dev)) { in dp_bridge_hpd_enable()
1653 mutex_unlock(&dp->event_mutex); in dp_bridge_hpd_enable()
1657 dp_catalog_ctrl_hpd_enable(dp->catalog); in dp_bridge_hpd_enable()
1660 dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, true); in dp_bridge_hpd_enable()
1662 dp_display->internal_hpd = true; in dp_bridge_hpd_enable()
1663 mutex_unlock(&dp->event_mutex); in dp_bridge_hpd_enable()
1669 struct msm_dp *dp_display = dp_bridge->dp_display; in dp_bridge_hpd_disable()
1672 mutex_lock(&dp->event_mutex); in dp_bridge_hpd_disable()
1674 dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, false); in dp_bridge_hpd_disable()
1675 dp_catalog_ctrl_hpd_disable(dp->catalog); in dp_bridge_hpd_disable()
1677 dp_display->internal_hpd = false; in dp_bridge_hpd_disable()
1679 pm_runtime_put_sync(&dp_display->pdev->dev); in dp_bridge_hpd_disable()
1680 mutex_unlock(&dp->event_mutex); in dp_bridge_hpd_disable()
1687 struct msm_dp *dp_display = dp_bridge->dp_display; in dp_bridge_hpd_notify()
1691 if (dp_display->internal_hpd) in dp_bridge_hpd_notify()
1694 if (!dp_display->link_ready && status == connector_status_connected) in dp_bridge_hpd_notify()
1696 else if (dp_display->link_ready && status == connector_status_disconnected) in dp_bridge_hpd_notify()