96 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 		err = host1x_client_resume(wgrp->parent);  in tegra_windowgroup_enable()
105 			dev_err(wgrp->parent->dev, "failed to resume: %d\n", err);  in tegra_windowgroup_enable()
109 		reset_control_deassert(wgrp->rst);  in tegra_windowgroup_enable()
112 	wgrp->usecount++;  in tegra_windowgroup_enable()
115 	mutex_unlock(&wgrp->lock);  in tegra_windowgroup_enable()
119 static void tegra_windowgroup_disable(struct tegra_windowgroup *wgrp)  in tegra_windowgroup_disable()  argument
123 	mutex_lock(&wgrp->lock);  in tegra_windowgroup_disable()
125 	if (wgrp->usecount == 1) {  in tegra_windowgroup_disable()
126 		err = reset_control_assert(wgrp->rst);  in tegra_windowgroup_disable()
129 			       wgrp->index);  in tegra_windowgroup_disable()
132 		host1x_client_suspend(wgrp->parent);  in tegra_windowgroup_disable()
135 	wgrp->usecount--;  in tegra_windowgroup_disable()
136 	mutex_unlock(&wgrp->lock);  in tegra_windowgroup_disable()
150 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_prepare()  local
153 		if (wgrp->parent)  in tegra_display_hub_prepare()
154 			tegra_windowgroup_enable(wgrp);  in tegra_display_hub_prepare()
169 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_cleanup()  local
172 		if (wgrp->parent)  in tegra_display_hub_cleanup()
173 			tegra_windowgroup_disable(wgrp);  in tegra_display_hub_cleanup()
553 					    unsigned int wgrp,  in tegra_shared_plane_create()  argument
575 	plane->wgrp = &hub->wgrps[wgrp];  in tegra_shared_plane_create()
576 	plane->wgrp->parent = &dc->client;  in tegra_shared_plane_create()
889 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_probe()  local
893 		mutex_init(&wgrp->lock);  in tegra_display_hub_probe()
894 		wgrp->usecount = 0;  in tegra_display_hub_probe()
895 		wgrp->index = i;  in tegra_display_hub_probe()
897 		wgrp->rst = devm_reset_control_get(&pdev->dev, id);  in tegra_display_hub_probe()
898 		if (IS_ERR(wgrp->rst))  in tegra_display_hub_probe()
899 			return PTR_ERR(wgrp->rst);  in tegra_display_hub_probe()
901 		err = reset_control_assert(wgrp->rst);  in tegra_display_hub_probe()
976 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_remove()  local
978 		mutex_destroy(&wgrp->lock);  in tegra_display_hub_remove()