153 int tegra_display_hub_prepare(struct tegra_display_hub *hub)  in tegra_display_hub_prepare()  argument
163 	for (i = 0; i < hub->soc->num_wgrps; i++) {  in tegra_display_hub_prepare()
164 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_prepare()
174 void tegra_display_hub_cleanup(struct tegra_display_hub *hub)  in tegra_display_hub_cleanup()  argument
182 	for (i = 0; i < hub->soc->num_wgrps; i++) {  in tegra_display_hub_cleanup()
183 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_cleanup()
754 	struct tegra_display_hub *hub = tegra->hub;  in tegra_shared_plane_create()  local
770 	plane->wgrp = &hub->wgrps[wgrp];  in tegra_shared_plane_create()
825 tegra_display_hub_get_state(struct tegra_display_hub *hub,  in tegra_display_hub_get_state()  argument
830 	priv = drm_atomic_get_private_obj_state(state, &hub->base);  in tegra_display_hub_get_state()
846 	if (!tegra->hub)  in tegra_display_hub_atomic_check()
849 	hub_state = tegra_display_hub_get_state(tegra->hub, state);  in tegra_display_hub_atomic_check()
854 	 * The display hub display clock needs to be fed by the display clock  in tegra_display_hub_atomic_check()
907 	struct tegra_display_hub *hub = tegra->hub;  in tegra_display_hub_atomic_commit()  local
909 	struct device *dev = hub->client.dev;  in tegra_display_hub_atomic_commit()
912 	hub_state = to_tegra_display_hub_state(hub->base.state);  in tegra_display_hub_atomic_commit()
920 		err = clk_set_parent(hub->clk_disp, hub_state->clk);  in tegra_display_hub_atomic_commit()
923 				hub->clk_disp, hub_state->clk, err);  in tegra_display_hub_atomic_commit()
932 	struct tegra_display_hub *hub = to_tegra_display_hub(client);  in tegra_display_hub_init()  local
941 	drm_atomic_private_obj_init(drm, &hub->base, &state->base,  in tegra_display_hub_init()
944 	tegra->hub = hub;  in tegra_display_hub_init()
954 	drm_atomic_private_obj_fini(&tegra->hub->base);  in tegra_display_hub_exit()
955 	tegra->hub = NULL;  in tegra_display_hub_exit()
962 	struct tegra_display_hub *hub = to_tegra_display_hub(client);  in tegra_display_hub_runtime_suspend()  local
964 	unsigned int i = hub->num_heads;  in tegra_display_hub_runtime_suspend()
967 	err = reset_control_assert(hub->rst);  in tegra_display_hub_runtime_suspend()
972 		clk_disable_unprepare(hub->clk_heads[i]);  in tegra_display_hub_runtime_suspend()
974 	clk_disable_unprepare(hub->clk_hub);  in tegra_display_hub_runtime_suspend()
975 	clk_disable_unprepare(hub->clk_dsc);  in tegra_display_hub_runtime_suspend()
976 	clk_disable_unprepare(hub->clk_disp);  in tegra_display_hub_runtime_suspend()
985 	struct tegra_display_hub *hub = to_tegra_display_hub(client);  in tegra_display_hub_runtime_resume()  local
996 	err = clk_prepare_enable(hub->clk_disp);  in tegra_display_hub_runtime_resume()
1000 	err = clk_prepare_enable(hub->clk_dsc);  in tegra_display_hub_runtime_resume()
1004 	err = clk_prepare_enable(hub->clk_hub);  in tegra_display_hub_runtime_resume()
1008 	for (i = 0; i < hub->num_heads; i++) {  in tegra_display_hub_runtime_resume()
1009 		err = clk_prepare_enable(hub->clk_heads[i]);  in tegra_display_hub_runtime_resume()
1014 	err = reset_control_deassert(hub->rst);  in tegra_display_hub_runtime_resume()
1022 		clk_disable_unprepare(hub->clk_heads[i]);  in tegra_display_hub_runtime_resume()
1024 	clk_disable_unprepare(hub->clk_hub);  in tegra_display_hub_runtime_resume()
1026 	clk_disable_unprepare(hub->clk_dsc);  in tegra_display_hub_runtime_resume()
1028 	clk_disable_unprepare(hub->clk_disp);  in tegra_display_hub_runtime_resume()
1045 	struct tegra_display_hub *hub;  in tegra_display_hub_probe()  local
1056 	hub = devm_kzalloc(&pdev->dev, sizeof(*hub), GFP_KERNEL);  in tegra_display_hub_probe()
1057 	if (!hub)  in tegra_display_hub_probe()
1060 	hub->soc = of_device_get_match_data(&pdev->dev);  in tegra_display_hub_probe()
1062 	hub->clk_disp = devm_clk_get(&pdev->dev, "disp");  in tegra_display_hub_probe()
1063 	if (IS_ERR(hub->clk_disp)) {  in tegra_display_hub_probe()
1064 		err = PTR_ERR(hub->clk_disp);  in tegra_display_hub_probe()
1068 	if (hub->soc->supports_dsc) {  in tegra_display_hub_probe()
1069 		hub->clk_dsc = devm_clk_get(&pdev->dev, "dsc");  in tegra_display_hub_probe()
1070 		if (IS_ERR(hub->clk_dsc)) {  in tegra_display_hub_probe()
1071 			err = PTR_ERR(hub->clk_dsc);  in tegra_display_hub_probe()
1076 	hub->clk_hub = devm_clk_get(&pdev->dev, "hub");  in tegra_display_hub_probe()
1077 	if (IS_ERR(hub->clk_hub)) {  in tegra_display_hub_probe()
1078 		err = PTR_ERR(hub->clk_hub);  in tegra_display_hub_probe()
1082 	hub->rst = devm_reset_control_get(&pdev->dev, "misc");  in tegra_display_hub_probe()
1083 	if (IS_ERR(hub->rst)) {  in tegra_display_hub_probe()
1084 		err = PTR_ERR(hub->rst);  in tegra_display_hub_probe()
1088 	hub->wgrps = devm_kcalloc(&pdev->dev, hub->soc->num_wgrps,  in tegra_display_hub_probe()
1089 				  sizeof(*hub->wgrps), GFP_KERNEL);  in tegra_display_hub_probe()
1090 	if (!hub->wgrps)  in tegra_display_hub_probe()
1093 	for (i = 0; i < hub->soc->num_wgrps; i++) {  in tegra_display_hub_probe()
1094 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_probe()
1111 	hub->num_heads = of_get_child_count(pdev->dev.of_node);  in tegra_display_hub_probe()
1113 	hub->clk_heads = devm_kcalloc(&pdev->dev, hub->num_heads, sizeof(clk),  in tegra_display_hub_probe()
1115 	if (!hub->clk_heads)  in tegra_display_hub_probe()
1118 	for (i = 0; i < hub->num_heads; i++) {  in tegra_display_hub_probe()
1134 		hub->clk_heads[i] = clk;  in tegra_display_hub_probe()
1140 	err = reset_control_assert(hub->rst);  in tegra_display_hub_probe()
1144 	platform_set_drvdata(pdev, hub);  in tegra_display_hub_probe()
1147 	INIT_LIST_HEAD(&hub->client.list);  in tegra_display_hub_probe()
1148 	hub->client.ops = &tegra_display_hub_ops;  in tegra_display_hub_probe()
1149 	hub->client.dev = &pdev->dev;  in tegra_display_hub_probe()
1151 	err = host1x_client_register(&hub->client);  in tegra_display_hub_probe()
1163 	host1x_client_unregister(&hub->client);  in tegra_display_hub_probe()
1170 	struct tegra_display_hub *hub = platform_get_drvdata(pdev);  in tegra_display_hub_remove()  local
1174 	err = host1x_client_unregister(&hub->client);  in tegra_display_hub_remove()
1180 	for (i = 0; i < hub->soc->num_wgrps; i++) {  in tegra_display_hub_remove()
1181 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_remove()
1216 		.name = "tegra-display-hub",