19 	struct tegra_output *output = connector_to_output(connector);  in tegra_output_connector_get_modes()  local
27 	if (output->panel) {  in tegra_output_connector_get_modes()
28 		err = drm_panel_get_modes(output->panel, connector);  in tegra_output_connector_get_modes()
33 	if (output->edid)  in tegra_output_connector_get_modes()
34 		edid = kmemdup(output->edid, sizeof(*edid), GFP_KERNEL);  in tegra_output_connector_get_modes()
35 	else if (output->ddc)  in tegra_output_connector_get_modes()
36 		edid = drm_get_edid(connector, output->ddc);  in tegra_output_connector_get_modes()
38 	cec_notifier_set_phys_addr_from_edid(output->cec, edid);  in tegra_output_connector_get_modes()
52 	struct tegra_output *output = connector_to_output(connector);  in tegra_output_connector_detect()  local
55 	if (output->hpd_gpio) {  in tegra_output_connector_detect()
56 		if (gpiod_get_value(output->hpd_gpio) == 0)  in tegra_output_connector_detect()
61 		if (!output->panel)  in tegra_output_connector_detect()
68 		cec_notifier_phys_addr_invalidate(output->cec);  in tegra_output_connector_detect()
75 	struct tegra_output *output = connector_to_output(connector);  in tegra_output_connector_destroy()  local
77 	if (output->cec)  in tegra_output_connector_destroy()
78 		cec_notifier_conn_unregister(output->cec);  in tegra_output_connector_destroy()
86 	struct tegra_output *output = data;  in hpd_irq()  local
88 	if (output->connector.dev)  in hpd_irq()
89 		drm_helper_hpd_irq_event(output->connector.dev);  in hpd_irq()
94 int tegra_output_probe(struct tegra_output *output)  in tegra_output_probe()  argument
100 	if (!output->of_node)  in tegra_output_probe()
101 		output->of_node = output->dev->of_node;  in tegra_output_probe()
103 	err = drm_of_find_panel_or_bridge(output->of_node, -1, -1,  in tegra_output_probe()
104 					  &output->panel, &output->bridge);  in tegra_output_probe()
108 	panel = of_parse_phandle(output->of_node, "nvidia,panel", 0);  in tegra_output_probe()
114 		WARN_ON(output->panel || output->bridge);  in tegra_output_probe()
116 		output->panel = of_drm_find_panel(panel);  in tegra_output_probe()
119 		if (IS_ERR(output->panel))  in tegra_output_probe()
120 			return PTR_ERR(output->panel);  in tegra_output_probe()
123 	output->edid = of_get_property(output->of_node, "nvidia,edid", &size);  in tegra_output_probe()
125 	ddc = of_parse_phandle(output->of_node, "nvidia,ddc-i2c-bus", 0);  in tegra_output_probe()
127 		output->ddc = of_get_i2c_adapter_by_node(ddc);  in tegra_output_probe()
130 		if (!output->ddc) {  in tegra_output_probe()
136 	output->hpd_gpio = devm_gpiod_get_from_of_node(output->dev,  in tegra_output_probe()
137 						       output->of_node,  in tegra_output_probe()
141 	if (IS_ERR(output->hpd_gpio)) {  in tegra_output_probe()
142 		if (PTR_ERR(output->hpd_gpio) != -ENOENT)  in tegra_output_probe()
143 			return PTR_ERR(output->hpd_gpio);  in tegra_output_probe()
145 		output->hpd_gpio = NULL;  in tegra_output_probe()
148 	if (output->hpd_gpio) {  in tegra_output_probe()
149 		err = gpiod_to_irq(output->hpd_gpio);  in tegra_output_probe()
151 			dev_err(output->dev, "gpiod_to_irq(): %d\n", err);  in tegra_output_probe()
155 		output->hpd_irq = err;  in tegra_output_probe()
160 		err = request_threaded_irq(output->hpd_irq, NULL, hpd_irq,  in tegra_output_probe()
161 					   flags, "hpd", output);  in tegra_output_probe()
163 			dev_err(output->dev, "failed to request IRQ#%u: %d\n",  in tegra_output_probe()
164 				output->hpd_irq, err);  in tegra_output_probe()
168 		output->connector.polled = DRM_CONNECTOR_POLL_HPD;  in tegra_output_probe()
175 		disable_irq(output->hpd_irq);  in tegra_output_probe()
181 void tegra_output_remove(struct tegra_output *output)  in tegra_output_remove()  argument
183 	if (output->hpd_gpio)  in tegra_output_remove()
184 		free_irq(output->hpd_irq, output);  in tegra_output_remove()
186 	if (output->ddc)  in tegra_output_remove()
187 		i2c_put_adapter(output->ddc);  in tegra_output_remove()
190 int tegra_output_init(struct drm_device *drm, struct tegra_output *output)  in tegra_output_init()  argument
198 	if (output->hpd_gpio)  in tegra_output_init()
199 		enable_irq(output->hpd_irq);  in tegra_output_init()
201 	connector_type = output->connector.connector_type;  in tegra_output_init()
209 		cec_fill_conn_info_from_drm(&conn_info, &output->connector);  in tegra_output_init()
210 		output->cec = cec_notifier_conn_register(output->dev, NULL,  in tegra_output_init()
212 		if (!output->cec)  in tegra_output_init()
219 void tegra_output_exit(struct tegra_output *output)  in tegra_output_exit()  argument
225 	if (output->hpd_gpio)  in tegra_output_exit()
226 		disable_irq(output->hpd_irq);  in tegra_output_exit()
229 void tegra_output_find_possible_crtcs(struct tegra_output *output,  in tegra_output_find_possible_crtcs()  argument
232 	struct device *dev = output->dev;  in tegra_output_find_possible_crtcs()
244 		dev_warn(dev, "missing output definition for heads in DT\n");  in tegra_output_find_possible_crtcs()
248 	output->encoder.possible_crtcs = mask;  in tegra_output_find_possible_crtcs()
251 int tegra_output_suspend(struct tegra_output *output)  in tegra_output_suspend()  argument
253 	if (output->hpd_irq)  in tegra_output_suspend()
254 		disable_irq(output->hpd_irq);  in tegra_output_suspend()
259 int tegra_output_resume(struct tegra_output *output)  in tegra_output_resume()  argument
261 	if (output->hpd_irq)  in tegra_output_resume()
262 		enable_irq(output->hpd_irq);  in tegra_output_resume()