113 static int tegra_windowgroup_enable(struct tegra_windowgroup *wgrp)  in tegra_windowgroup_enable()  argument
117 	mutex_lock(&wgrp->lock);  in tegra_windowgroup_enable()
119 	if (wgrp->usecount == 0) {  in tegra_windowgroup_enable()
120 		err = host1x_client_resume(wgrp->parent);  in tegra_windowgroup_enable()
122 			dev_err(wgrp->parent->dev, "failed to resume: %d\n", err);  in tegra_windowgroup_enable()
126 		reset_control_deassert(wgrp->rst);  in tegra_windowgroup_enable()
129 	wgrp->usecount++;  in tegra_windowgroup_enable()
132 	mutex_unlock(&wgrp->lock);  in tegra_windowgroup_enable()
136 static void tegra_windowgroup_disable(struct tegra_windowgroup *wgrp)  in tegra_windowgroup_disable()  argument
140 	mutex_lock(&wgrp->lock);  in tegra_windowgroup_disable()
142 	if (wgrp->usecount == 1) {  in tegra_windowgroup_disable()
143 		err = reset_control_assert(wgrp->rst);  in tegra_windowgroup_disable()
146 			       wgrp->index);  in tegra_windowgroup_disable()
149 		host1x_client_suspend(wgrp->parent);  in tegra_windowgroup_disable()
152 	wgrp->usecount--;  in tegra_windowgroup_disable()
153 	mutex_unlock(&wgrp->lock);  in tegra_windowgroup_disable()
167 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_prepare()  local
170 		if (wgrp->parent)  in tegra_display_hub_prepare()
171 			tegra_windowgroup_enable(wgrp);  in tegra_display_hub_prepare()
186 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_cleanup()  local
189 		if (wgrp->parent)  in tegra_display_hub_cleanup()
190 			tegra_windowgroup_disable(wgrp);  in tegra_display_hub_cleanup()
758 					    unsigned int wgrp,  in tegra_shared_plane_create()  argument
779 	plane->wgrp = &hub->wgrps[wgrp];  in tegra_shared_plane_create()
780 	plane->wgrp->parent = &dc->client;  in tegra_shared_plane_create()
1103 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_probe()  local
1107 		mutex_init(&wgrp->lock);  in tegra_display_hub_probe()
1108 		wgrp->usecount = 0;  in tegra_display_hub_probe()
1109 		wgrp->index = i;  in tegra_display_hub_probe()
1111 		wgrp->rst = devm_reset_control_get(&pdev->dev, id);  in tegra_display_hub_probe()
1112 		if (IS_ERR(wgrp->rst))  in tegra_display_hub_probe()
1113 			return PTR_ERR(wgrp->rst);  in tegra_display_hub_probe()
1115 		err = reset_control_assert(wgrp->rst);  in tegra_display_hub_probe()
1185 		struct tegra_windowgroup *wgrp = &hub->wgrps[i];  in tegra_display_hub_remove()  local
1187 		mutex_destroy(&wgrp->lock);  in tegra_display_hub_remove()