98 static int tegra_windowgroup_enable(struct tegra_windowgroup *wgrp)  in tegra_windowgroup_enable()  argument
100 	mutex_lock(&wgrp->lock);  in tegra_windowgroup_enable()
102 	if (wgrp->usecount == 0) {  in tegra_windowgroup_enable()
103 		pm_runtime_get_sync(wgrp->parent);  in tegra_windowgroup_enable()
104 		reset_control_deassert(wgrp->rst);  in tegra_windowgroup_enable()
107 	wgrp->usecount++;  in tegra_windowgroup_enable()
108 	mutex_unlock(&wgrp->lock);  in tegra_windowgroup_enable()
113 static void tegra_windowgroup_disable(struct tegra_windowgroup *wgrp)  in tegra_windowgroup_disable()  argument
117 	mutex_lock(&wgrp->lock);  in tegra_windowgroup_disable()
119 	if (wgrp->usecount == 1) {  in tegra_windowgroup_disable()
120 		err = reset_control_assert(wgrp->rst);  in tegra_windowgroup_disable()
123 			       wgrp->index);  in tegra_windowgroup_disable()
126 		pm_runtime_put(wgrp->parent);  in tegra_windowgroup_disable()
129 	wgrp->usecount--;  in tegra_windowgroup_disable()
130 	mutex_unlock(&wgrp->lock);  in tegra_windowgroup_disable()
144 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_prepare()  local
146 		tegra_windowgroup_enable(wgrp);  in tegra_display_hub_prepare()
161 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_cleanup()  local
163 		tegra_windowgroup_disable(wgrp);  in tegra_display_hub_cleanup()
531 					    unsigned int wgrp,  in tegra_shared_plane_create()  argument
553 	plane->wgrp = &hub->wgrps[wgrp];  in tegra_shared_plane_create()
554 	plane->wgrp->parent = dc->dev;  in tegra_shared_plane_create()
785 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_probe()  local
789 		mutex_init(&wgrp->lock);  in tegra_display_hub_probe()
790 		wgrp->usecount = 0;  in tegra_display_hub_probe()
791 		wgrp->index = i;  in tegra_display_hub_probe()
793 		wgrp->rst = devm_reset_control_get(&pdev->dev, id);  in tegra_display_hub_probe()
794 		if (IS_ERR(wgrp->rst))  in tegra_display_hub_probe()
795 			return PTR_ERR(wgrp->rst);  in tegra_display_hub_probe()
797 		err = reset_control_assert(wgrp->rst);  in tegra_display_hub_probe()