Lines Matching +full:sc7280 +full:- +full:edp
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");
180 { .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_descs },
181 { .compatible = "qcom,sc7280-dp", .data = &sc7280_dp_descs },
182 { .compatible = "qcom,sc7280-edp", .data = &sc7280_dp_descs },
183 { .compatible = "qcom,sc8180x-dp", .data = &sc8180x_dp_descs },
184 { .compatible = "qcom,sc8180x-edp", .data = &sc8180x_dp_descs },
185 { .compatible = "qcom,sc8280xp-dp", .data = &sc8280xp_dp_descs },
186 { .compatible = "qcom,sc8280xp-edp", .data = &sc8280xp_edp_descs },
187 { .compatible = "qcom,sdm845-dp", .data = &sc7180_dp_descs },
188 { .compatible = "qcom,sm8350-dp", .data = &sm8350_dp_descs },
189 { .compatible = "qcom,sm8650-dp", .data = &sm8650_dp_descs },
207 spin_lock_irqsave(&dp_priv->event_lock, flag); in dp_add_event()
208 pndx = dp_priv->event_pndx + 1; in dp_add_event()
210 if (pndx == dp_priv->event_gndx) { in dp_add_event()
212 dp_priv->event_pndx, dp_priv->event_gndx); in dp_add_event()
213 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_add_event()
214 return -EPERM; in dp_add_event()
216 todo = &dp_priv->event_list[dp_priv->event_pndx++]; in dp_add_event()
217 dp_priv->event_pndx %= DP_EVENT_Q_MAX; in dp_add_event()
218 todo->event_id = event; in dp_add_event()
219 todo->data = data; in dp_add_event()
220 todo->delay = delay; in dp_add_event()
221 wake_up(&dp_priv->event_q); in dp_add_event()
222 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_add_event()
233 spin_lock_irqsave(&dp_priv->event_lock, flag); in dp_del_event()
234 if (dp_priv->event_pndx == dp_priv->event_gndx) { in dp_del_event()
235 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_del_event()
236 return -ENOENT; in dp_del_event()
239 gndx = dp_priv->event_gndx; in dp_del_event()
240 while (dp_priv->event_pndx != gndx) { in dp_del_event()
241 todo = &dp_priv->event_list[gndx]; in dp_del_event()
242 if (todo->event_id == event) { in dp_del_event()
243 todo->event_id = EV_NO_EVENT; /* deleted */ in dp_del_event()
244 todo->delay = 0; in dp_del_event()
249 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in dp_del_event()
260 reinit_completion(&dp->audio_comp); in dp_display_signal_audio_start()
269 complete_all(&dp->audio_comp); in dp_display_signal_audio_complete()
280 struct drm_device *drm = priv->dev; in dp_display_bind()
282 dp->dp_display.drm_dev = drm; in dp_display_bind()
283 priv->dp[dp->id] = &dp->dp_display; in dp_display_bind()
285 rc = dp->parser->parse(dp->parser); in dp_display_bind()
292 dp->drm_dev = drm; in dp_display_bind()
293 dp->aux->drm_dev = drm; in dp_display_bind()
294 rc = dp_aux_register(dp->aux); in dp_display_bind()
300 rc = dp_power_client_init(dp->power); in dp_display_bind()
306 rc = dp_register_audio_driver(dev, dp->audio); in dp_display_bind()
330 if (dp->core_initialized) in dp_display_unbind()
331 dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, false); in dp_display_unbind()
333 kthread_stop(dp->ev_tsk); in dp_display_unbind()
335 of_dp_aux_depopulate_bus(dp->aux); in dp_display_unbind()
337 dp_power_client_deinit(dp->power); in dp_display_unbind()
338 dp_unregister_audio_driver(dev, dp->audio); in dp_display_unbind()
339 dp_aux_unregister(dp->aux); in dp_display_unbind()
340 dp->drm_dev = NULL; in dp_display_unbind()
341 dp->aux->drm_dev = NULL; in dp_display_unbind()
342 priv->dp[dp->id] = NULL; in dp_display_unbind()
352 return (panel->dpcd[DP_DOWNSTREAMPORT_PRESENT] & in dp_display_is_ds_bridge()
358 drm_dbg_dp(dp->drm_dev, "present=%#x sink_count=%d\n", in dp_display_is_sink_count_zero()
359 dp->panel->dpcd[DP_DOWNSTREAMPORT_PRESENT], in dp_display_is_sink_count_zero()
360 dp->link->sink_count); in dp_display_is_sink_count_zero()
361 return dp_display_is_ds_bridge(dp->panel) && in dp_display_is_sink_count_zero()
362 (dp->link->sink_count == 0); in dp_display_is_sink_count_zero()
372 connector = dp->dp_display.connector; in dp_display_send_hpd_event()
373 drm_helper_hpd_irq_event(connector->dev); in dp_display_send_hpd_event()
380 if ((hpd && dp->dp_display.is_connected) || in dp_display_send_hpd_notification()
381 (!hpd && !dp->dp_display.is_connected)) { in dp_display_send_hpd_notification()
382 drm_dbg_dp(dp->drm_dev, "HPD already %s\n", in dp_display_send_hpd_notification()
389 dp->panel->video_test = false; in dp_display_send_hpd_notification()
391 dp->dp_display.is_connected = hpd; in dp_display_send_hpd_notification()
393 drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n", in dp_display_send_hpd_notification()
394 dp->dp_display.connector_type, hpd); in dp_display_send_hpd_notification()
395 dp_display_send_hpd_event(&dp->dp_display); in dp_display_send_hpd_notification()
405 dp->panel->max_dp_lanes = dp->parser->max_dp_lanes; in dp_display_process_hpd_high()
406 dp->panel->max_dp_link_rate = dp->parser->max_dp_link_rate; in dp_display_process_hpd_high()
408 drm_dbg_dp(dp->drm_dev, "max_lanes=%d max_link_rate=%d\n", in dp_display_process_hpd_high()
409 dp->panel->max_dp_lanes, dp->panel->max_dp_link_rate); in dp_display_process_hpd_high()
411 rc = dp_panel_read_sink_caps(dp->panel, dp->dp_display.connector); in dp_display_process_hpd_high()
415 dp_link_process_request(dp->link); in dp_display_process_hpd_high()
417 edid = dp->panel->edid; in dp_display_process_hpd_high()
419 dp->dp_display.psr_supported = dp->panel->psr_cap.version && psr_enabled; in dp_display_process_hpd_high()
421 dp->audio_supported = drm_detect_monitor_audio(edid); in dp_display_process_hpd_high()
422 dp_panel_handle_sink_request(dp->panel); in dp_display_process_hpd_high()
424 dp->dp_display.max_dp_lanes = dp->parser->max_dp_lanes; in dp_display_process_hpd_high()
427 * set sink to normal operation mode -- D0 in dp_display_process_hpd_high()
430 dp_link_psm_config(dp->link, &dp->panel->link_info, false); in dp_display_process_hpd_high()
432 dp_link_reset_phy_params_vx_px(dp->link); in dp_display_process_hpd_high()
433 rc = dp_ctrl_on_link(dp->ctrl); in dp_display_process_hpd_high()
447 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_phy_init()
448 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_phy_init()
449 dp->phy_initialized); in dp_display_host_phy_init()
451 if (!dp->phy_initialized) { in dp_display_host_phy_init()
452 dp_ctrl_phy_init(dp->ctrl); in dp_display_host_phy_init()
453 dp->phy_initialized = true; in dp_display_host_phy_init()
459 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_phy_exit()
460 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_phy_exit()
461 dp->phy_initialized); in dp_display_host_phy_exit()
463 if (dp->phy_initialized) { in dp_display_host_phy_exit()
464 dp_ctrl_phy_exit(dp->ctrl); in dp_display_host_phy_exit()
465 dp->phy_initialized = false; in dp_display_host_phy_exit()
471 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_init()
472 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_init()
473 dp->phy_initialized); in dp_display_host_init()
475 dp_power_init(dp->power); in dp_display_host_init()
476 dp_ctrl_reset_irq_ctrl(dp->ctrl, true); in dp_display_host_init()
477 dp_aux_init(dp->aux); in dp_display_host_init()
478 dp->core_initialized = true; in dp_display_host_init()
483 drm_dbg_dp(dp->drm_dev, "type=%d core_init=%d phy_init=%d\n", in dp_display_host_deinit()
484 dp->dp_display.connector_type, dp->core_initialized, in dp_display_host_deinit()
485 dp->phy_initialized); in dp_display_host_deinit()
487 dp_ctrl_reset_irq_ctrl(dp->ctrl, false); in dp_display_host_deinit()
488 dp_aux_deinit(dp->aux); in dp_display_host_deinit()
489 dp_power_deinit(dp->power); in dp_display_host_deinit()
490 dp->core_initialized = false; in dp_display_host_deinit()
513 if (dp->link->sink_request & DP_TEST_LINK_VIDEO_PATTERN) { in dp_display_handle_video_request()
514 dp->panel->video_test = true; in dp_display_handle_video_request()
515 dp_link_send_test_response(dp->link); in dp_display_handle_video_request()
524 drm_dbg_dp(dp->drm_dev, "sink count is zero, nothing to do\n"); in dp_display_handle_port_ststus_changed()
525 if (dp->hpd_state != ST_DISCONNECTED) { in dp_display_handle_port_ststus_changed()
526 dp->hpd_state = ST_DISCONNECT_PENDING; in dp_display_handle_port_ststus_changed()
530 if (dp->hpd_state == ST_DISCONNECTED) { in dp_display_handle_port_ststus_changed()
531 dp->hpd_state = ST_MAINLINK_READY; in dp_display_handle_port_ststus_changed()
534 dp->hpd_state = ST_DISCONNECTED; in dp_display_handle_port_ststus_changed()
543 u32 sink_request = dp->link->sink_request; in dp_display_handle_irq_hpd()
545 drm_dbg_dp(dp->drm_dev, "%d\n", sink_request); in dp_display_handle_irq_hpd()
546 if (dp->hpd_state == ST_DISCONNECTED) { in dp_display_handle_irq_hpd()
548 drm_dbg_dp(dp->drm_dev, "Disconnected sink_request: %d\n", in dp_display_handle_irq_hpd()
551 return -EINVAL; in dp_display_handle_irq_hpd()
555 dp_ctrl_handle_sink_request(dp->ctrl); in dp_display_handle_irq_hpd()
570 rc = dp_link_process_request(dp->link); in dp_display_usbpd_attention_cb()
572 sink_request = dp->link->sink_request; in dp_display_usbpd_attention_cb()
573 drm_dbg_dp(dp->drm_dev, "hpd_state=%d sink_request=%d\n", in dp_display_usbpd_attention_cb()
574 dp->hpd_state, sink_request); in dp_display_usbpd_attention_cb()
589 dp_aux_enable_xfers(dp->aux, true); in dp_hpd_plug_handle()
591 mutex_lock(&dp->event_mutex); in dp_hpd_plug_handle()
593 state = dp->hpd_state; in dp_hpd_plug_handle()
594 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in dp_hpd_plug_handle()
595 dp->dp_display.connector_type, state); in dp_hpd_plug_handle()
598 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
603 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
610 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
614 ret = dp_display_usbpd_configure_cb(&dp->pdev->dev); in dp_hpd_plug_handle()
616 dp->hpd_state = ST_DISCONNECTED; in dp_hpd_plug_handle()
618 dp->hpd_state = ST_MAINLINK_READY; in dp_hpd_plug_handle()
621 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in dp_hpd_plug_handle()
622 dp->dp_display.connector_type, state); in dp_hpd_plug_handle()
623 mutex_unlock(&dp->event_mutex); in dp_hpd_plug_handle()
638 if (dp_display->plugged_cb && dp_display->codec_dev && in dp_display_handle_plugged_change()
639 dp->audio_supported) in dp_display_handle_plugged_change()
640 dp_display->plugged_cb(dp_display->codec_dev, plugged); in dp_display_handle_plugged_change()
647 dp_aux_enable_xfers(dp->aux, false); in dp_hpd_unplug_handle()
649 mutex_lock(&dp->event_mutex); in dp_hpd_unplug_handle()
651 state = dp->hpd_state; in dp_hpd_unplug_handle()
653 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in dp_hpd_unplug_handle()
654 dp->dp_display.connector_type, state); in dp_hpd_unplug_handle()
661 if (dp->link->sink_count == 0) { in dp_hpd_unplug_handle()
664 dp_display_notify_disconnect(&dp->pdev->dev); in dp_hpd_unplug_handle()
665 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
668 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
671 dp_ctrl_off_link(dp->ctrl); in dp_hpd_unplug_handle()
673 dp->hpd_state = ST_DISCONNECTED; in dp_hpd_unplug_handle()
674 dp_display_notify_disconnect(&dp->pdev->dev); in dp_hpd_unplug_handle()
675 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
683 dp_display_notify_disconnect(&dp->pdev->dev); in dp_hpd_unplug_handle()
686 dp->hpd_state = ST_DISCONNECTED; in dp_hpd_unplug_handle()
688 dp->hpd_state = ST_DISCONNECT_PENDING; in dp_hpd_unplug_handle()
692 dp_display_handle_plugged_change(&dp->dp_display, false); in dp_hpd_unplug_handle()
694 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in dp_hpd_unplug_handle()
695 dp->dp_display.connector_type, state); in dp_hpd_unplug_handle()
698 mutex_unlock(&dp->event_mutex); in dp_hpd_unplug_handle()
706 mutex_lock(&dp->event_mutex); in dp_irq_hpd_handle()
709 state = dp->hpd_state; in dp_irq_hpd_handle()
710 drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", in dp_irq_hpd_handle()
711 dp->dp_display.connector_type, state); in dp_irq_hpd_handle()
714 mutex_unlock(&dp->event_mutex); in dp_irq_hpd_handle()
721 mutex_unlock(&dp->event_mutex); in dp_irq_hpd_handle()
725 dp_display_usbpd_attention_cb(&dp->pdev->dev); in dp_irq_hpd_handle()
727 drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", in dp_irq_hpd_handle()
728 dp->dp_display.connector_type, state); in dp_irq_hpd_handle()
730 mutex_unlock(&dp->event_mutex); in dp_irq_hpd_handle()
737 dp_debug_put(dp->debug); in dp_display_deinit_sub_modules()
738 dp_audio_put(dp->audio); in dp_display_deinit_sub_modules()
739 dp_panel_put(dp->panel); in dp_display_deinit_sub_modules()
740 dp_aux_put(dp->aux); in dp_display_deinit_sub_modules()
746 struct device *dev = &dp->pdev->dev; in dp_init_sub_modules()
751 dp->parser = dp_parser_get(dp->pdev); in dp_init_sub_modules()
752 if (IS_ERR(dp->parser)) { in dp_init_sub_modules()
753 rc = PTR_ERR(dp->parser); in dp_init_sub_modules()
755 dp->parser = NULL; in dp_init_sub_modules()
759 dp->catalog = dp_catalog_get(dev, &dp->parser->io); in dp_init_sub_modules()
760 if (IS_ERR(dp->catalog)) { in dp_init_sub_modules()
761 rc = PTR_ERR(dp->catalog); in dp_init_sub_modules()
763 dp->catalog = NULL; in dp_init_sub_modules()
767 dp->power = dp_power_get(dev, dp->parser); in dp_init_sub_modules()
768 if (IS_ERR(dp->power)) { in dp_init_sub_modules()
769 rc = PTR_ERR(dp->power); in dp_init_sub_modules()
771 dp->power = NULL; in dp_init_sub_modules()
775 dp->aux = dp_aux_get(dev, dp->catalog, dp->dp_display.is_edp); in dp_init_sub_modules()
776 if (IS_ERR(dp->aux)) { in dp_init_sub_modules()
777 rc = PTR_ERR(dp->aux); in dp_init_sub_modules()
779 dp->aux = NULL; in dp_init_sub_modules()
783 dp->link = dp_link_get(dev, dp->aux); in dp_init_sub_modules()
784 if (IS_ERR(dp->link)) { in dp_init_sub_modules()
785 rc = PTR_ERR(dp->link); in dp_init_sub_modules()
787 dp->link = NULL; in dp_init_sub_modules()
791 panel_in.aux = dp->aux; in dp_init_sub_modules()
792 panel_in.catalog = dp->catalog; in dp_init_sub_modules()
793 panel_in.link = dp->link; in dp_init_sub_modules()
795 dp->panel = dp_panel_get(&panel_in); in dp_init_sub_modules()
796 if (IS_ERR(dp->panel)) { in dp_init_sub_modules()
797 rc = PTR_ERR(dp->panel); in dp_init_sub_modules()
799 dp->panel = NULL; in dp_init_sub_modules()
803 dp->ctrl = dp_ctrl_get(dev, dp->link, dp->panel, dp->aux, in dp_init_sub_modules()
804 dp->power, dp->catalog, dp->parser); in dp_init_sub_modules()
805 if (IS_ERR(dp->ctrl)) { in dp_init_sub_modules()
806 rc = PTR_ERR(dp->ctrl); in dp_init_sub_modules()
808 dp->ctrl = NULL; in dp_init_sub_modules()
812 dp->audio = dp_audio_get(dp->pdev, dp->panel, dp->catalog); in dp_init_sub_modules()
813 if (IS_ERR(dp->audio)) { in dp_init_sub_modules()
814 rc = PTR_ERR(dp->audio); in dp_init_sub_modules()
816 dp->audio = NULL; in dp_init_sub_modules()
821 dp->ctrl->wide_bus_en = dp->wide_bus_en; in dp_init_sub_modules()
822 dp->catalog->wide_bus_en = dp->wide_bus_en; in dp_init_sub_modules()
827 dp_panel_put(dp->panel); in dp_init_sub_modules()
829 dp_aux_put(dp->aux); in dp_init_sub_modules()
841 drm_mode_copy(&dp->panel->dp_mode.drm_mode, &mode->drm_mode); in dp_display_set_mode()
842 dp->panel->dp_mode.bpp = mode->bpp; in dp_display_set_mode()
843 dp->panel->dp_mode.capabilities = mode->capabilities; in dp_display_set_mode()
844 dp_panel_init_panel_info(dp->panel); in dp_display_set_mode()
851 struct msm_dp *dp_display = &dp->dp_display; in dp_display_enable()
853 drm_dbg_dp(dp->drm_dev, "sink_count=%d\n", dp->link->sink_count); in dp_display_enable()
854 if (dp_display->power_on) { in dp_display_enable()
855 drm_dbg_dp(dp->drm_dev, "Link already setup, return\n"); in dp_display_enable()
859 rc = dp_ctrl_on_stream(dp->ctrl, force_link_train); in dp_display_enable()
861 dp_display->power_on = true; in dp_display_enable()
873 rate = dp->link->link_params.rate; in dp_display_post_enable()
875 if (dp->audio_supported) { in dp_display_post_enable()
876 dp->audio->bw_code = drm_dp_link_rate_to_bw_code(rate); in dp_display_post_enable()
877 dp->audio->lane_count = dp->link->link_params.num_lanes; in dp_display_post_enable()
883 if (dp_display->psr_supported) in dp_display_post_enable()
884 dp_ctrl_config_psr(dp->ctrl); in dp_display_post_enable()
891 struct msm_dp *dp_display = &dp->dp_display; in dp_display_disable()
893 if (!dp_display->power_on) in dp_display_disable()
897 if (dp_display->audio_enabled) { in dp_display_disable()
900 if (!wait_for_completion_timeout(&dp->audio_comp, in dp_display_disable()
905 dp_display->audio_enabled = false; in dp_display_disable()
907 if (dp->link->sink_count == 0) { in dp_display_disable()
912 dp_ctrl_off_link_stream(dp->ctrl); in dp_display_disable()
918 dp_ctrl_off(dp->ctrl); in dp_display_disable()
922 dp_display->power_on = false; in dp_display_disable()
924 drm_dbg_dp(dp->drm_dev, "sink count: %d\n", dp->link->sink_count); in dp_display_disable()
933 dp_display->plugged_cb = fn; in dp_display_set_plugged_cb()
934 dp_display->codec_dev = codec_dev; in dp_display_set_plugged_cb()
935 plugged = dp_display->is_connected; in dp_display_set_plugged_cb()
942 * dp_bridge_mode_valid - callback to determine if specified mode is valid
957 int mode_pclk_khz = mode->clock; in dp_bridge_mode_valid()
959 dp = to_dp_bridge(bridge)->dp_display; in dp_bridge_mode_valid()
961 if (!dp || !mode_pclk_khz || !dp->connector) { in dp_bridge_mode_valid()
963 return -EINVAL; in dp_bridge_mode_valid()
966 if (mode->clock > DP_MAX_PIXEL_CLK_KHZ) in dp_bridge_mode_valid()
970 link_info = &dp_display->panel->link_info; in dp_bridge_mode_valid()
972 mode_bpp = dp->connector->display_info.bpc * num_components; in dp_bridge_mode_valid()
976 mode_bpp = dp_panel_get_mode_bpp(dp_display->panel, in dp_bridge_mode_valid()
980 supported_rate_khz = link_info->num_lanes * link_info->rate * 8; in dp_bridge_mode_valid()
999 return dp_panel_get_modes(dp_display->panel, in dp_display_get_modes()
1000 dp->connector); in dp_display_get_modes()
1009 return dp_display->panel->video_test; in dp_display_check_video_test()
1024 dp_display->link->test_video.test_bit_depth); in dp_display_get_test_bpp()
1040 mutex_lock(&dp_display->event_mutex); in msm_dp_snapshot()
1042 if (!dp->power_on) { in msm_dp_snapshot()
1043 mutex_unlock(&dp_display->event_mutex); in msm_dp_snapshot()
1047 dp_catalog_snapshot(dp_display->catalog, disp_state); in msm_dp_snapshot()
1049 mutex_unlock(&dp_display->event_mutex); in msm_dp_snapshot()
1062 dp_ctrl_set_psr(dp->ctrl, enter); in dp_display_set_psr()
1076 wait_event_timeout(dp_priv->event_q, in hpd_event_thread()
1077 (dp_priv->event_pndx == dp_priv->event_gndx) || in hpd_event_thread()
1080 wait_event_interruptible(dp_priv->event_q, in hpd_event_thread()
1081 (dp_priv->event_pndx != dp_priv->event_gndx) || in hpd_event_thread()
1088 spin_lock_irqsave(&dp_priv->event_lock, flag); in hpd_event_thread()
1089 todo = &dp_priv->event_list[dp_priv->event_gndx]; in hpd_event_thread()
1090 if (todo->delay) { in hpd_event_thread()
1093 dp_priv->event_gndx++; in hpd_event_thread()
1094 dp_priv->event_gndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1097 todo_next = &dp_priv->event_list[dp_priv->event_pndx++]; in hpd_event_thread()
1098 dp_priv->event_pndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1099 todo_next->event_id = todo->event_id; in hpd_event_thread()
1100 todo_next->data = todo->data; in hpd_event_thread()
1101 todo_next->delay = todo->delay - 1; in hpd_event_thread()
1104 todo->event_id = EV_NO_EVENT; in hpd_event_thread()
1105 todo->delay = 0; in hpd_event_thread()
1109 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in hpd_event_thread()
1114 if (dp_priv->event_pndx == dp_priv->event_gndx) { in hpd_event_thread()
1115 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in hpd_event_thread()
1119 dp_priv->event_gndx++; in hpd_event_thread()
1120 dp_priv->event_gndx %= DP_EVENT_Q_MAX; in hpd_event_thread()
1122 spin_unlock_irqrestore(&dp_priv->event_lock, flag); in hpd_event_thread()
1124 switch (todo->event_id) { in hpd_event_thread()
1129 dp_hpd_plug_handle(dp_priv, todo->data); in hpd_event_thread()
1132 dp_hpd_unplug_handle(dp_priv, todo->data); in hpd_event_thread()
1135 dp_irq_hpd_handle(dp_priv, todo->data); in hpd_event_thread()
1139 todo->data); in hpd_event_thread()
1152 dp_priv->event_gndx = 0; in dp_hpd_event_thread_start()
1153 dp_priv->event_pndx = 0; in dp_hpd_event_thread_start()
1155 dp_priv->ev_tsk = kthread_run(hpd_event_thread, dp_priv, "dp_hpd_handler"); in dp_hpd_event_thread_start()
1156 if (IS_ERR(dp_priv->ev_tsk)) in dp_hpd_event_thread_start()
1157 return PTR_ERR(dp_priv->ev_tsk); in dp_hpd_event_thread_start()
1173 hpd_isr_status = dp_catalog_hpd_get_intr_status(dp->catalog); in dp_display_irq_handler()
1176 drm_dbg_dp(dp->drm_dev, "type=%d isr=0x%x\n", in dp_display_irq_handler()
1177 dp->dp_display.connector_type, hpd_isr_status); in dp_display_irq_handler()
1198 ret |= dp_ctrl_isr(dp->ctrl); in dp_display_irq_handler()
1201 ret |= dp_aux_isr(dp->aux); in dp_display_irq_handler()
1213 return -EINVAL; in dp_display_request_irq()
1218 dp->irq = irq_of_parse_and_map(dp->pdev->dev.of_node, 0); in dp_display_request_irq()
1219 if (!dp->irq) { in dp_display_request_irq()
1221 return -EINVAL; in dp_display_request_irq()
1224 rc = devm_request_irq(dp_display->drm_dev->dev, dp->irq, in dp_display_request_irq()
1229 dp->irq, rc); in dp_display_request_irq()
1238 const struct msm_dp_desc *descs = of_device_get_match_data(&pdev->dev); in dp_display_get_desc()
1247 if (descs[i].io_start == res->start) in dp_display_get_desc()
1251 dev_err(&pdev->dev, "unknown displayport instance\n"); in dp_display_get_desc()
1261 if (!pdev || !pdev->dev.of_node) { in dp_display_probe()
1263 return -ENODEV; in dp_display_probe()
1266 dp = devm_kzalloc(&pdev->dev, sizeof(*dp), GFP_KERNEL); in dp_display_probe()
1268 return -ENOMEM; in dp_display_probe()
1272 return -EINVAL; in dp_display_probe()
1274 dp->pdev = pdev; in dp_display_probe()
1275 dp->name = "drm_dp"; in dp_display_probe()
1276 dp->id = desc->id; in dp_display_probe()
1277 dp->dp_display.connector_type = desc->connector_type; in dp_display_probe()
1278 dp->wide_bus_en = desc->wide_bus_en; in dp_display_probe()
1279 dp->dp_display.is_edp = in dp_display_probe()
1280 (dp->dp_display.connector_type == DRM_MODE_CONNECTOR_eDP); in dp_display_probe()
1285 return -EPROBE_DEFER; in dp_display_probe()
1289 mutex_init(&dp->event_mutex); in dp_display_probe()
1290 init_waitqueue_head(&dp->event_q); in dp_display_probe()
1291 spin_lock_init(&dp->event_lock); in dp_display_probe()
1294 dp->dp_display.dp_audio = dp->audio; in dp_display_probe()
1296 init_completion(&dp->audio_comp); in dp_display_probe()
1298 platform_set_drvdata(pdev, &dp->dp_display); in dp_display_probe()
1300 rc = component_add(&pdev->dev, &dp_display_comp_ops); in dp_display_probe()
1311 struct dp_display_private *dp = dev_get_dp_display_private(&pdev->dev); in dp_display_remove()
1313 component_del(&pdev->dev, &dp_display_comp_ops); in dp_display_remove()
1330 mutex_lock(&dp->event_mutex); in dp_pm_resume()
1332 drm_dbg_dp(dp->drm_dev, in dp_pm_resume()
1334 dp->dp_display.connector_type, dp->core_initialized, in dp_pm_resume()
1335 dp->phy_initialized, dp_display->power_on); in dp_pm_resume()
1338 dp->hpd_state = ST_DISCONNECTED; in dp_pm_resume()
1343 if (dp_display->is_edp) in dp_pm_resume()
1344 dp_catalog_ctrl_hpd_enable(dp->catalog); in dp_pm_resume()
1346 if (dp_catalog_link_is_connected(dp->catalog)) { in dp_pm_resume()
1348 * set sink to normal operation mode -- D0 in dp_pm_resume()
1352 dp_link_psm_config(dp->link, &dp->panel->link_info, false); in dp_pm_resume()
1353 sink_count = drm_dp_read_sink_count(dp->aux); in dp_pm_resume()
1360 dp->link->sink_count = sink_count; in dp_pm_resume()
1367 if (dp->link->sink_count) { in dp_pm_resume()
1368 dp->dp_display.is_connected = true; in dp_pm_resume()
1370 dp->dp_display.is_connected = false; in dp_pm_resume()
1374 drm_dbg_dp(dp->drm_dev, in dp_pm_resume()
1376 dp->dp_display.connector_type, dp->link->sink_count, in dp_pm_resume()
1377 dp->dp_display.is_connected, dp->core_initialized, in dp_pm_resume()
1378 dp->phy_initialized, dp_display->power_on); in dp_pm_resume()
1380 mutex_unlock(&dp->event_mutex); in dp_pm_resume()
1393 mutex_lock(&dp->event_mutex); in dp_pm_suspend()
1395 drm_dbg_dp(dp->drm_dev, in dp_pm_suspend()
1397 dp->dp_display.connector_type, dp->core_initialized, in dp_pm_suspend()
1398 dp->phy_initialized, dp_display->power_on); in dp_pm_suspend()
1401 if (dp_power_clk_status(dp->power, DP_CTRL_PM)) in dp_pm_suspend()
1402 dp_ctrl_off_link_stream(dp->ctrl); in dp_pm_suspend()
1409 dp->hpd_state = ST_SUSPENDED; in dp_pm_suspend()
1411 drm_dbg_dp(dp->drm_dev, in dp_pm_suspend()
1413 dp->dp_display.connector_type, dp->core_initialized, in dp_pm_suspend()
1414 dp->phy_initialized, dp_display->power_on); in dp_pm_suspend()
1416 mutex_unlock(&dp->event_mutex); in dp_pm_suspend()
1430 .name = "msm-dp-display",
1462 if (!dp_display->is_edp) in msm_dp_irq_postinstall()
1472 return dp->wide_bus_en; in msm_dp_wide_bus_available()
1482 dev = &dp->pdev->dev; in msm_dp_debugfs_init()
1484 dp->debug = dp_debug_get(dev, dp->panel, in msm_dp_debugfs_init()
1485 dp->link, dp->dp_display.connector, in msm_dp_debugfs_init()
1487 if (IS_ERR(dp->debug)) { in msm_dp_debugfs_init()
1488 rc = PTR_ERR(dp->debug); in msm_dp_debugfs_init()
1490 dp->debug = NULL; in msm_dp_debugfs_init()
1502 dev = &dp_priv->pdev->dev; in dp_display_get_next_bridge()
1503 aux_bus = of_get_child_by_name(dev->of_node, "aux-bus"); in dp_display_get_next_bridge()
1505 if (aux_bus && dp->is_edp) { in dp_display_get_next_bridge()
1507 dp_catalog_ctrl_hpd_enable(dp_priv->catalog); in dp_display_get_next_bridge()
1517 rc = of_dp_aux_populate_bus(dp_priv->aux, NULL); in dp_display_get_next_bridge()
1521 } else if (dp->is_edp) { in dp_display_get_next_bridge()
1522 DRM_ERROR("eDP aux_bus not found\n"); in dp_display_get_next_bridge()
1523 return -ENODEV; in dp_display_get_next_bridge()
1527 * External bridges are mandatory for eDP interfaces: one has to in dp_display_get_next_bridge()
1528 * provide at least an eDP panel (which gets wrapped into panel-bridge). in dp_display_get_next_bridge()
1531 * silently ignore an error if one is not present (-ENODEV). in dp_display_get_next_bridge()
1533 rc = devm_dp_parser_find_next_bridge(dp->drm_dev->dev, dp_priv->parser); in dp_display_get_next_bridge()
1534 if (!dp->is_edp && rc == -ENODEV) in dp_display_get_next_bridge()
1538 dp->next_bridge = dp_priv->parser->next_bridge; in dp_display_get_next_bridge()
1543 if (dp->is_edp) { in dp_display_get_next_bridge()
1544 of_dp_aux_depopulate_bus(dp_priv->aux); in dp_display_get_next_bridge()
1554 struct msm_drm_private *priv = dev->dev_private; in msm_dp_modeset_init()
1558 dp_display->drm_dev = dev; in msm_dp_modeset_init()
1572 dp_display->bridge = dp_bridge_init(dp_display, dev, encoder); in msm_dp_modeset_init()
1573 if (IS_ERR(dp_display->bridge)) { in msm_dp_modeset_init()
1574 ret = PTR_ERR(dp_display->bridge); in msm_dp_modeset_init()
1575 DRM_DEV_ERROR(dev->dev, in msm_dp_modeset_init()
1577 dp_display->bridge = NULL; in msm_dp_modeset_init()
1581 priv->bridges[priv->num_bridges++] = dp_display->bridge; in msm_dp_modeset_init()
1583 dp_display->connector = dp_drm_connector_init(dp_display, encoder); in msm_dp_modeset_init()
1584 if (IS_ERR(dp_display->connector)) { in msm_dp_modeset_init()
1585 ret = PTR_ERR(dp_display->connector); in msm_dp_modeset_init()
1586 DRM_DEV_ERROR(dev->dev, in msm_dp_modeset_init()
1588 dp_display->connector = NULL; in msm_dp_modeset_init()
1592 dp_priv->panel->connector = dp_display->connector; in msm_dp_modeset_init()
1601 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_atomic_enable()
1608 if (!dp_display->dp_mode.drm_mode.clock) { in dp_bridge_atomic_enable()
1613 if (dp->is_edp) in dp_bridge_atomic_enable()
1616 mutex_lock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1618 state = dp_display->hpd_state; in dp_bridge_atomic_enable()
1620 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1624 rc = dp_display_set_mode(dp, &dp_display->dp_mode); in dp_bridge_atomic_enable()
1627 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1631 state = dp_display->hpd_state; in dp_bridge_atomic_enable()
1647 dp_display->hpd_state = ST_CONNECTED; in dp_bridge_atomic_enable()
1649 drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type); in dp_bridge_atomic_enable()
1650 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_enable()
1657 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_atomic_disable()
1662 dp_ctrl_push_idle(dp_display->ctrl); in dp_bridge_atomic_disable()
1669 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_atomic_post_disable()
1675 if (dp->is_edp) in dp_bridge_atomic_post_disable()
1678 mutex_lock(&dp_display->event_mutex); in dp_bridge_atomic_post_disable()
1680 state = dp_display->hpd_state; in dp_bridge_atomic_post_disable()
1682 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_post_disable()
1688 state = dp_display->hpd_state; in dp_bridge_atomic_post_disable()
1691 dp_display->hpd_state = ST_DISCONNECTED; in dp_bridge_atomic_post_disable()
1693 dp_display->hpd_state = ST_DISPLAY_OFF; in dp_bridge_atomic_post_disable()
1696 drm_dbg_dp(dp->drm_dev, "type=%d Done\n", dp->connector_type); in dp_bridge_atomic_post_disable()
1697 mutex_unlock(&dp_display->event_mutex); in dp_bridge_atomic_post_disable()
1705 struct msm_dp *dp = dp_bridge->dp_display; in dp_bridge_mode_set()
1710 memset(&dp_display->dp_mode, 0x0, sizeof(struct dp_display_mode)); in dp_bridge_mode_set()
1713 dp_display->dp_mode.bpp = dp_display_get_test_bpp(dp); in dp_bridge_mode_set()
1715 dp_display->dp_mode.bpp = dp->connector->display_info.bpc * 3; in dp_bridge_mode_set()
1717 if (!dp_display->dp_mode.bpp) in dp_bridge_mode_set()
1718 dp_display->dp_mode.bpp = 24; /* Default bpp */ in dp_bridge_mode_set()
1720 drm_mode_copy(&dp_display->dp_mode.drm_mode, adjusted_mode); in dp_bridge_mode_set()
1722 dp_display->dp_mode.v_active_low = in dp_bridge_mode_set()
1723 !!(dp_display->dp_mode.drm_mode.flags & DRM_MODE_FLAG_NVSYNC); in dp_bridge_mode_set()
1725 dp_display->dp_mode.h_active_low = in dp_bridge_mode_set()
1726 !!(dp_display->dp_mode.drm_mode.flags & DRM_MODE_FLAG_NHSYNC); in dp_bridge_mode_set()
1732 struct msm_dp *dp_display = dp_bridge->dp_display; in dp_bridge_hpd_enable()
1735 mutex_lock(&dp->event_mutex); in dp_bridge_hpd_enable()
1736 dp_catalog_ctrl_hpd_enable(dp->catalog); in dp_bridge_hpd_enable()
1739 dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, true); in dp_bridge_hpd_enable()
1741 dp_display->internal_hpd = true; in dp_bridge_hpd_enable()
1742 mutex_unlock(&dp->event_mutex); in dp_bridge_hpd_enable()
1748 struct msm_dp *dp_display = dp_bridge->dp_display; in dp_bridge_hpd_disable()
1751 mutex_lock(&dp->event_mutex); in dp_bridge_hpd_disable()
1753 dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, false); in dp_bridge_hpd_disable()
1754 dp_catalog_ctrl_hpd_disable(dp->catalog); in dp_bridge_hpd_disable()
1756 dp_display->internal_hpd = false; in dp_bridge_hpd_disable()
1757 mutex_unlock(&dp->event_mutex); in dp_bridge_hpd_disable()
1764 struct msm_dp *dp_display = dp_bridge->dp_display; in dp_bridge_hpd_notify()
1768 if (dp_display->internal_hpd) in dp_bridge_hpd_notify()
1771 if (!dp->core_initialized) { in dp_bridge_hpd_notify()
1772 drm_dbg_dp(dp->drm_dev, "not initialized\n"); in dp_bridge_hpd_notify()
1776 if (!dp_display->is_connected && status == connector_status_connected) in dp_bridge_hpd_notify()
1778 else if (dp_display->is_connected && status == connector_status_disconnected) in dp_bridge_hpd_notify()