CONFIG_OMAP5_DSS_HDMI=y
CONFIG_OMAP2_DSS_SDI=y
CONFIG_OMAP2_DSS_DSI=y
-CONFIG_DRM_OMAP_ENCODER_OPA362=m
-CONFIG_DRM_OMAP_ENCODER_TPD12S015=m
-CONFIG_DRM_OMAP_CONNECTOR_HDMI=m
-CONFIG_DRM_OMAP_CONNECTOR_ANALOG_TV=m
CONFIG_DRM_OMAP_PANEL_DSI_CM=m
CONFIG_DRM_TILCDC=m
CONFIG_DRM_PANEL_SIMPLE=m
+CONFIG_DRM_DISPLAY_CONNECTOR=m
+CONFIG_DRM_SIMPLE_BRIDGE=m
CONFIG_DRM_TI_TFP410=m
+CONFIG_DRM_TI_TPD12S015=m
CONFIG_DRM_PANEL_LG_LB035Q02=m
CONFIG_DRM_PANEL_NEC_NL8048HL11=m
CONFIG_DRM_PANEL_SHARP_LS037V7DW01=m
# SPDX-License-Identifier: GPL-2.0-only
menu "OMAPDRM External Display Device Drivers"
-config DRM_OMAP_ENCODER_OPA362
- tristate "OPA362 external analog amplifier"
- help
- Driver for OPA362 external analog TV amplifier controlled
- through a GPIO.
-
-config DRM_OMAP_ENCODER_TPD12S015
- tristate "TPD12S015 HDMI ESD protection and level shifter"
- help
- Driver for TPD12S015, which offers HDMI ESD protection and level
- shifting.
-
-config DRM_OMAP_CONNECTOR_HDMI
- tristate "HDMI Connector"
- help
- Driver for a generic HDMI connector.
-
-config DRM_OMAP_CONNECTOR_ANALOG_TV
- tristate "Analog TV Connector"
- help
- Driver for a generic analog TV connector.
-
config DRM_OMAP_PANEL_DSI_CM
tristate "Generic DSI Command Mode Panel"
depends on BACKLIGHT_CLASS_DEVICE
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_DRM_OMAP_ENCODER_OPA362) += encoder-opa362.o
-obj-$(CONFIG_DRM_OMAP_ENCODER_TPD12S015) += encoder-tpd12s015.o
-obj-$(CONFIG_DRM_OMAP_CONNECTOR_HDMI) += connector-hdmi.o
-obj-$(CONFIG_DRM_OMAP_CONNECTOR_ANALOG_TV) += connector-analog-tv.o
obj-$(CONFIG_DRM_OMAP_PANEL_DSI_CM) += panel-dsi-cm.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Analog TV Connector driver
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct device *dev;
-};
-
-#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-
-static int tvc_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void tvc_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static const struct omap_dss_device_ops tvc_ops = {
- .connect = tvc_connect,
- .disconnect = tvc_disconnect,
-};
-
-static int tvc_probe(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
- ddata->dev = &pdev->dev;
-
- dssdev = &ddata->dssdev;
- dssdev->ops = &tvc_ops;
- dssdev->dev = &pdev->dev;
- dssdev->type = OMAP_DISPLAY_TYPE_VENC;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_port = 0;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int __exit tvc_remove(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
-
- omapdss_device_unregister(&ddata->dssdev);
-
- return 0;
-}
-
-static const struct of_device_id tvc_of_match[] = {
- { .compatible = "omapdss,svideo-connector", },
- { .compatible = "omapdss,composite-video-connector", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, tvc_of_match);
-
-static struct platform_driver tvc_connector_driver = {
- .probe = tvc_probe,
- .remove = __exit_p(tvc_remove),
- .driver = {
- .name = "connector-analog-tv",
- .of_match_table = tvc_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(tvc_connector_driver);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("Analog TV Connector driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * HDMI Connector driver
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- void (*hpd_cb)(void *cb_data, enum drm_connector_status status);
- void *hpd_cb_data;
- struct mutex hpd_lock;
-
- struct device *dev;
-
- struct gpio_desc *hpd_gpio;
-};
-
-#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-
-static int hdmic_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void hdmic_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static bool hdmic_detect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return gpiod_get_value_cansleep(ddata->hpd_gpio);
-}
-
-static void hdmic_register_hpd_cb(struct omap_dss_device *dssdev,
- void (*cb)(void *cb_data,
- enum drm_connector_status status),
- void *cb_data)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_cb = cb;
- ddata->hpd_cb_data = cb_data;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static void hdmic_unregister_hpd_cb(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_cb = NULL;
- ddata->hpd_cb_data = NULL;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static const struct omap_dss_device_ops hdmic_ops = {
- .connect = hdmic_connect,
- .disconnect = hdmic_disconnect,
-
- .detect = hdmic_detect,
- .register_hpd_cb = hdmic_register_hpd_cb,
- .unregister_hpd_cb = hdmic_unregister_hpd_cb,
-};
-
-static irqreturn_t hdmic_hpd_isr(int irq, void *data)
-{
- struct panel_drv_data *ddata = data;
-
- mutex_lock(&ddata->hpd_lock);
- if (ddata->hpd_cb) {
- enum drm_connector_status status;
-
- if (hdmic_detect(&ddata->dssdev))
- status = connector_status_connected;
- else
- status = connector_status_disconnected;
-
- ddata->hpd_cb(ddata->hpd_cb_data, status);
- }
- mutex_unlock(&ddata->hpd_lock);
-
- return IRQ_HANDLED;
-}
-
-static int hdmic_probe(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- struct gpio_desc *gpio;
- int r;
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
- ddata->dev = &pdev->dev;
-
- mutex_init(&ddata->hpd_lock);
-
- /* HPD GPIO */
- gpio = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN);
- if (IS_ERR(gpio)) {
- dev_err(&pdev->dev, "failed to parse HPD gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->hpd_gpio = gpio;
-
- if (ddata->hpd_gpio) {
- r = devm_request_threaded_irq(&pdev->dev,
- gpiod_to_irq(ddata->hpd_gpio),
- NULL, hdmic_hpd_isr,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
- IRQF_ONESHOT,
- "hdmic hpd", ddata);
- if (r)
- return r;
- }
-
- dssdev = &ddata->dssdev;
- dssdev->ops = &hdmic_ops;
- dssdev->dev = &pdev->dev;
- dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_port = 0;
- dssdev->ops_flags = ddata->hpd_gpio
- ? OMAP_DSS_DEVICE_OP_DETECT | OMAP_DSS_DEVICE_OP_HPD
- : 0;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int __exit hdmic_remove(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
-
- omapdss_device_unregister(&ddata->dssdev);
-
- return 0;
-}
-
-static const struct of_device_id hdmic_of_match[] = {
- { .compatible = "omapdss,hdmi-connector", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, hdmic_of_match);
-
-static struct platform_driver hdmi_connector_driver = {
- .probe = hdmic_probe,
- .remove = __exit_p(hdmic_remove),
- .driver = {
- .name = "connector-hdmi",
- .of_match_table = hdmic_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(hdmi_connector_driver);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("HDMI Connector driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * OPA362 analog video amplifier with output/power control
- *
- * Copyright (C) 2014 Golden Delicious Computers
- * Author: H. Nikolaus Schaller <hns@goldelico.com>
- *
- * based on encoder-tfp410
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct gpio_desc *enable_gpio;
-};
-
-#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-
-static int opa362_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return omapdss_device_connect(dst->dss, dst, dst->next);
-}
-
-static void opa362_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- omapdss_device_disconnect(dst, dst->next);
-}
-
-static void opa362_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 1);
-}
-
-static void opa362_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 0);
-}
-
-static const struct omap_dss_device_ops opa362_ops = {
- .connect = opa362_connect,
- .disconnect = opa362_disconnect,
- .enable = opa362_enable,
- .disable = opa362_disable,
-};
-
-static int opa362_probe(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- struct gpio_desc *gpio;
-
- dev_dbg(&pdev->dev, "probe\n");
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
-
- gpio = devm_gpiod_get_optional(&pdev->dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(gpio))
- return PTR_ERR(gpio);
-
- ddata->enable_gpio = gpio;
-
- dssdev = &ddata->dssdev;
- dssdev->ops = &opa362_ops;
- dssdev->dev = &pdev->dev;
- dssdev->type = OMAP_DISPLAY_TYPE_VENC;
- dssdev->owner = THIS_MODULE;
- dssdev->of_port = 1;
-
- dssdev->next = omapdss_of_find_connected_device(pdev->dev.of_node, 1);
- if (IS_ERR(dssdev->next)) {
- if (PTR_ERR(dssdev->next) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "failed to find video sink\n");
- return PTR_ERR(dssdev->next);
- }
-
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int __exit opa362_remove(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- if (dssdev->next)
- omapdss_device_put(dssdev->next);
- omapdss_device_unregister(&ddata->dssdev);
-
- opa362_disable(dssdev);
-
- return 0;
-}
-
-static const struct of_device_id opa362_of_match[] = {
- { .compatible = "omapdss,ti,opa362", },
- {},
-};
-MODULE_DEVICE_TABLE(of, opa362_of_match);
-
-static struct platform_driver opa362_driver = {
- .probe = opa362_probe,
- .remove = __exit_p(opa362_remove),
- .driver = {
- .name = "amplifier-opa362",
- .of_match_table = opa362_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(opa362_driver);
-
-MODULE_AUTHOR("H. Nikolaus Schaller <hns@goldelico.com>");
-MODULE_DESCRIPTION("OPA362 analog video amplifier with output/power control");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * TPD12S015 HDMI ESD protection & level shifter chip driver
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/completion.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/gpio/consumer.h>
-#include <linux/mutex.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- void (*hpd_cb)(void *cb_data, enum drm_connector_status status);
- void *hpd_cb_data;
- struct mutex hpd_lock;
-
- struct gpio_desc *ct_cp_hpd_gpio;
- struct gpio_desc *ls_oe_gpio;
- struct gpio_desc *hpd_gpio;
-};
-
-#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-
-static int tpd_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- struct panel_drv_data *ddata = to_panel_data(dst);
- int r;
-
- r = omapdss_device_connect(dst->dss, dst, dst->next);
- if (r)
- return r;
-
- gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1);
- gpiod_set_value_cansleep(ddata->ls_oe_gpio, 1);
-
- /* DC-DC converter needs at max 300us to get to 90% of 5V */
- udelay(300);
-
- return 0;
-}
-
-static void tpd_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- struct panel_drv_data *ddata = to_panel_data(dst);
-
- gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0);
- gpiod_set_value_cansleep(ddata->ls_oe_gpio, 0);
-
- omapdss_device_disconnect(dst, dst->next);
-}
-
-static bool tpd_detect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return gpiod_get_value_cansleep(ddata->hpd_gpio);
-}
-
-static void tpd_register_hpd_cb(struct omap_dss_device *dssdev,
- void (*cb)(void *cb_data,
- enum drm_connector_status status),
- void *cb_data)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_cb = cb;
- ddata->hpd_cb_data = cb_data;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_cb = NULL;
- ddata->hpd_cb_data = NULL;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static const struct omap_dss_device_ops tpd_ops = {
- .connect = tpd_connect,
- .disconnect = tpd_disconnect,
- .detect = tpd_detect,
- .register_hpd_cb = tpd_register_hpd_cb,
- .unregister_hpd_cb = tpd_unregister_hpd_cb,
-};
-
-static irqreturn_t tpd_hpd_isr(int irq, void *data)
-{
- struct panel_drv_data *ddata = data;
-
- mutex_lock(&ddata->hpd_lock);
- if (ddata->hpd_cb) {
- enum drm_connector_status status;
-
- if (tpd_detect(&ddata->dssdev))
- status = connector_status_connected;
- else
- status = connector_status_disconnected;
-
- ddata->hpd_cb(ddata->hpd_cb_data, status);
- }
- mutex_unlock(&ddata->hpd_lock);
-
- return IRQ_HANDLED;
-}
-
-static int tpd_probe(struct platform_device *pdev)
-{
- struct omap_dss_device *dssdev;
- struct panel_drv_data *ddata;
- int r;
- struct gpio_desc *gpio;
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
-
- gpio = devm_gpiod_get_index_optional(&pdev->dev, NULL, 0,
- GPIOD_OUT_LOW);
- if (IS_ERR(gpio))
- return PTR_ERR(gpio);
-
- ddata->ct_cp_hpd_gpio = gpio;
-
- gpio = devm_gpiod_get_index_optional(&pdev->dev, NULL, 1,
- GPIOD_OUT_LOW);
- if (IS_ERR(gpio))
- return PTR_ERR(gpio);
-
- ddata->ls_oe_gpio = gpio;
-
- gpio = devm_gpiod_get_index(&pdev->dev, NULL, 2,
- GPIOD_IN);
- if (IS_ERR(gpio))
- return PTR_ERR(gpio);
-
- ddata->hpd_gpio = gpio;
-
- mutex_init(&ddata->hpd_lock);
-
- r = devm_request_threaded_irq(&pdev->dev, gpiod_to_irq(ddata->hpd_gpio),
- NULL, tpd_hpd_isr,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- "tpd12s015 hpd", ddata);
- if (r)
- return r;
-
- dssdev = &ddata->dssdev;
- dssdev->ops = &tpd_ops;
- dssdev->dev = &pdev->dev;
- dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
- dssdev->owner = THIS_MODULE;
- dssdev->of_port = 1;
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_DETECT
- | OMAP_DSS_DEVICE_OP_HPD;
-
- dssdev->next = omapdss_of_find_connected_device(pdev->dev.of_node, 1);
- if (IS_ERR(dssdev->next)) {
- if (PTR_ERR(dssdev->next) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "failed to find video sink\n");
- return PTR_ERR(dssdev->next);
- }
-
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int __exit tpd_remove(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
-
- if (dssdev->next)
- omapdss_device_put(dssdev->next);
- omapdss_device_unregister(&ddata->dssdev);
-
- return 0;
-}
-
-static const struct of_device_id tpd_of_match[] = {
- { .compatible = "omapdss,ti,tpd12s015", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, tpd_of_match);
-
-static struct platform_driver tpd_driver = {
- .probe = tpd_probe,
- .remove = __exit_p(tpd_remove),
- .driver = {
- .name = "tpd12s015",
- .of_match_table = tpd_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(tpd_driver);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("TPD12S015 driver");
-MODULE_LICENSE("GPL");
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
- if (!hdmi->output.next_bridge)
- return 0;
+ if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
+ return -EINVAL;
return drm_bridge_attach(bridge->encoder, hdmi->output.next_bridge,
bridge, flags);
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
- if (!hdmi->output.next_bridge)
- return 0;
+ if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
+ return -EINVAL;
return drm_bridge_attach(bridge->encoder, hdmi->output.next_bridge,
bridge, flags);
};
static const struct of_device_id omapdss_of_fixups_whitelist[] __initconst = {
- { .compatible = "composite-video-connector" },
- { .compatible = "hdmi-connector" },
{ .compatible = "panel-dsi-cm" },
- { .compatible = "svideo-connector" },
- { .compatible = "ti,opa362" },
- { .compatible = "ti,tpd12s015" },
{},
};
}
if (local_bridge) {
+ if (!out->bridge) {
+ ret = -EPROBE_DEFER;
+ goto error;
+ }
+
out->next_bridge = out->bridge;
out->bridge = local_bridge;
}
{
struct venc_device *venc = drm_bridge_to_venc(bridge);
- if (venc->output.next_bridge)
- return 0;
+ if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
+ return -EINVAL;
return drm_bridge_attach(bridge->encoder, venc->output.next_bridge,
bridge, flags);
projects / openwrt / staging / blogic.git / commitdiff