diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_connector.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index c24b6b783e9a..aa5ba9ae2191 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -35,6 +35,23 @@ struct omap_connector { bool hdmi_mode; }; +static void omap_connector_hpd_cb(void *cb_data, + enum drm_connector_status status) +{ + struct omap_connector *omap_connector = cb_data; + struct drm_connector *connector = &omap_connector->base; + struct drm_device *dev = connector->dev; + enum drm_connector_status old_status; + + mutex_lock(&dev->mode_config.mutex); + old_status = connector->status; + connector->status = status; + mutex_unlock(&dev->mode_config.mutex); + + if (old_status != status) + drm_kms_helper_hotplug_event(dev); +} + bool omap_connector_get_hdmi_mode(struct drm_connector *connector) { struct omap_connector *omap_connector = to_omap_connector(connector); @@ -75,6 +92,10 @@ static void omap_connector_destroy(struct drm_connector *connector) struct omap_dss_device *dssdev = omap_connector->dssdev; DBG("%s", omap_connector->dssdev->name); + if (connector->polled == DRM_CONNECTOR_POLL_HPD && + dssdev->driver->unregister_hpd_cb) { + dssdev->driver->unregister_hpd_cb(dssdev); + } drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(omap_connector); @@ -195,7 +216,6 @@ static int omap_connector_mode_valid(struct drm_connector *connector, } static const struct drm_connector_funcs omap_connector_funcs = { - .dpms = drm_atomic_helper_connector_dpms, .reset = drm_atomic_helper_connector_reset, .detect = omap_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, @@ -216,6 +236,7 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, { struct drm_connector *connector = NULL; struct omap_connector *omap_connector; + bool hpd_supported = false; DBG("%s", dssdev->name); @@ -233,7 +254,20 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, connector_type); drm_connector_helper_add(connector, &omap_connector_helper_funcs); - if (dssdev->driver->detect) + if (dssdev->driver->register_hpd_cb) { + int ret = dssdev->driver->register_hpd_cb(dssdev, + omap_connector_hpd_cb, + omap_connector); + if (!ret) + hpd_supported = true; + else if (ret != -ENOTSUPP) + DBG("%s: Failed to register HPD callback (%d).", + dssdev->name, ret); + } + + if (hpd_supported) + connector->polled = DRM_CONNECTOR_POLL_HPD; + else if (dssdev->driver->detect) connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; else |