static int __maybe_unused xylon_drm_pm_suspend(struct device *dev)
{
struct xylon_drm_device *xdev = dev_get_drvdata(dev);
drm_kms_helper_poll_disable(xdev->dev);
drm_helper_connector_dpms(xdev->connector, DRM_MODE_DPMS_SUSPEND);
return 0;
}
static int __maybe_unused xylon_drm_pm_resume(struct device *dev)
{
struct xylon_drm_device *xdev = dev_get_drvdata(dev);
drm_helper_connector_dpms(xdev->connector, DRM_MODE_DPMS_ON);
drm_kms_helper_poll_enable(xdev->dev);
return 0;
}
static void omap_connector_dpms(struct drm_connector *connector, int mode)
{
struct omap_connector *omap_connector = to_omap_connector(connector);
struct omap_dss_device *dssdev = omap_connector->dssdev;
int old_dpms;
DBG("%s: %d", dssdev->name, mode);
old_dpms = connector->dpms;
if (mode < old_dpms)
drm_helper_connector_dpms(connector, mode);
if (mode == DRM_MODE_DPMS_ON) {
switch (dssdev->state) {
case OMAP_DSS_DISPLAY_SUSPENDED:
dssdev->activate_after_resume = true;
break;
case OMAP_DSS_DISPLAY_DISABLED: {
int ret = dssdev->driver->enable(dssdev);
if (ret) {
DBG("%s: failed to enable: %d",
dssdev->name, ret);
dssdev->driver->disable(dssdev);
}
break;
}
default:
break;
}
} else {
}
if (mode > old_dpms)
drm_helper_connector_dpms(connector, mode);
}
static void exynos_drm_connector_dpms(struct drm_connector *connector,
int mode)
{
/*
* in case that drm_crtc_helper_set_mode() is called,
* encoder/crtc->funcs->dpms() will be just returned
* because they already were DRM_MODE_DPMS_ON so only
* exynos_drm_display_power() will be called.
*/
drm_helper_connector_dpms(connector, mode);
exynos_drm_display_power(connector, mode);
}
int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu,
struct rcar_du_encoder *renc,
/* TODO const */ struct device_node *np)
{
struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc);
struct rcar_du_lvds_connector *lvdscon;
struct drm_connector *connector;
struct display_timing timing;
int ret;
lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL);
if (lvdscon == NULL)
return -ENOMEM;
ret = of_get_display_timing(np, "panel-timing", &timing);
if (ret < 0)
return ret;
videomode_from_timing(&timing, &lvdscon->panel.mode);
of_property_read_u32(np, "width-mm", &lvdscon->panel.width_mm);
of_property_read_u32(np, "height-mm", &lvdscon->panel.height_mm);
connector = &lvdscon->connector.connector;
connector->display_info.width_mm = lvdscon->panel.width_mm;
connector->display_info.height_mm = lvdscon->panel.height_mm;
ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_connector_register(connector);
if (ret < 0)
return ret;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_object_property_set_value(&connector->base,
rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret < 0)
return ret;
connector->encoder = encoder;
lvdscon->connector.encoder = renc;
return 0;
}
int shmob_drm_connector_create(struct shmob_drm_device *sdev,
struct drm_encoder *encoder)
{
struct drm_connector *connector = &sdev->connector.connector;
int ret;
sdev->connector.encoder = encoder;
connector->display_info.width_mm = sdev->pdata->panel.width_mm;
connector->display_info.height_mm = sdev->pdata->panel.height_mm;
ret = drm_connector_init(sdev->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_connector_register(connector);
if (ret < 0)
goto err_cleanup;
ret = shmob_drm_backlight_init(&sdev->connector);
if (ret < 0)
goto err_sysfs;
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret < 0)
goto err_backlight;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_object_property_set_value(&connector->base,
sdev->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
return 0;
err_backlight:
shmob_drm_backlight_exit(&sdev->connector);
err_sysfs:
drm_connector_unregister(connector);
err_cleanup:
drm_connector_cleanup(connector);
return ret;
}
int rcar_du_hdmi_connector_init(struct rcar_du_device *rcdu,
struct rcar_du_encoder *renc)
{
struct rcar_du_connector *rcon;
struct drm_connector *connector;
int ret;
rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
if (rcon == NULL)
return -ENOMEM;
connector = &rcon->connector;
connector->polled = DRM_CONNECTOR_POLL_CONNECT |
DRM_CONNECTOR_POLL_DISCONNECT;
connector->interlace_allowed = true;
ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_sysfs_connector_add(connector);
if (ret < 0)
return ret;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_object_property_set_value(&connector->base,
rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
ret = drm_mode_connector_attach_encoder(connector, renc->encoder);
if (ret < 0)
return ret;
connector->encoder = renc->encoder;
rcon->encoder = renc;
return 0;
}
int rcar_du_hdmi_connector_init(struct rcar_du_device *rcdu,
struct rcar_du_encoder *renc)
{
struct drm_encoder *encoder = rcar_encoder_to_drm_encoder(renc);
struct rcar_du_connector *rcon;
struct drm_connector *connector;
int ret;
rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL);
if (rcon == NULL)
return -ENOMEM;
connector = &rcon->connector;
connector->display_info.width_mm = 0;
connector->display_info.height_mm = 0;
ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
DRM_MODE_CONNECTOR_HDMIA);
if (ret < 0)
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
ret = drm_connector_register(connector);
if (ret < 0)
return ret;
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
drm_object_property_set_value(&connector->base,
rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
ret = drm_mode_connector_attach_encoder(connector, encoder);
if (ret < 0)
return ret;
connector->encoder = encoder;
rcon->encoder = renc;
return 0;
}
static void jzdrm_connector_dpms(struct drm_connector *connector, int mode)
{
jzdrm_connector_power(connector, mode);
drm_helper_connector_dpms(connector, mode);
}