diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/adv7511/adv7511_drv.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 137 |
1 files changed, 98 insertions, 39 deletions
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 648eb23d0784..a0d392c338da 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -443,9 +443,14 @@ static void adv7511_hpd_work(struct work_struct *work) if (adv7511->connector.status != status) { adv7511->connector.status = status; - if (status == connector_status_disconnected) - cec_phys_addr_invalidate(adv7511->cec_adap); - drm_kms_helper_hotplug_event(adv7511->connector.dev); + + if (adv7511->connector.dev) { + if (status == connector_status_disconnected) + cec_phys_addr_invalidate(adv7511->cec_adap); + drm_kms_helper_hotplug_event(adv7511->connector.dev); + } else { + drm_bridge_hpd_notify(&adv7511->bridge, status); + } } } @@ -589,11 +594,10 @@ static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block, * ADV75xx helpers */ -static int adv7511_get_modes(struct adv7511 *adv7511, - struct drm_connector *connector) +static struct edid *adv7511_get_edid(struct adv7511 *adv7511, + struct drm_connector *connector) { struct edid *edid; - unsigned int count; /* Reading the EDID only works if the device is powered */ if (!adv7511->powered) { @@ -612,15 +616,25 @@ static int adv7511_get_modes(struct adv7511 *adv7511, if (!adv7511->powered) __adv7511_power_off(adv7511); - - drm_connector_update_edid_property(connector, edid); - count = drm_add_edid_modes(connector, edid); - adv7511_set_config_csc(adv7511, connector, adv7511->rgb, drm_detect_hdmi_monitor(edid)); cec_s_phys_addr_from_edid(adv7511->cec_adap, edid); + return edid; +} + +static int adv7511_get_modes(struct adv7511 *adv7511, + struct drm_connector *connector) +{ + struct edid *edid; + unsigned int count; + + edid = adv7511_get_edid(adv7511, connector); + + drm_connector_update_edid_property(connector, edid); + count = drm_add_edid_modes(connector, edid); + kfree(edid); return count; @@ -652,7 +666,8 @@ adv7511_detect(struct adv7511 *adv7511, struct drm_connector *connector) if (status == connector_status_connected && hpd && adv7511->powered) { regcache_mark_dirty(adv7511->regmap); adv7511_power_on(adv7511); - adv7511_get_modes(adv7511, connector); + if (connector) + adv7511_get_modes(adv7511, connector); if (adv7511->status == connector_status_connected) status = connector_status_disconnected; } else { @@ -774,7 +789,10 @@ static void adv7511_mode_set(struct adv7511 *adv7511, adv7511->f_tmds = mode->clock; } -/* Connector funcs */ +/* ----------------------------------------------------------------------------- + * DRM Connector Operations + */ + static struct adv7511 *connector_to_adv7511(struct drm_connector *connector) { return container_of(connector, struct adv7511, connector); @@ -818,7 +836,40 @@ static const struct drm_connector_funcs adv7511_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; -/* Bridge funcs */ +static int adv7511_connector_init(struct adv7511 *adv) +{ + struct drm_bridge *bridge = &adv->bridge; + int ret; + + if (!bridge->encoder) { + DRM_ERROR("Parent encoder object not found"); + return -ENODEV; + } + + if (adv->i2c_main->irq) + adv->connector.polled = DRM_CONNECTOR_POLL_HPD; + else + adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT | + DRM_CONNECTOR_POLL_DISCONNECT; + + ret = drm_connector_init(bridge->dev, &adv->connector, + &adv7511_connector_funcs, + DRM_MODE_CONNECTOR_HDMIA); + if (ret < 0) { + DRM_ERROR("Failed to initialize connector with drm\n"); + return ret; + } + drm_connector_helper_add(&adv->connector, + &adv7511_connector_helper_funcs); + drm_connector_attach_encoder(&adv->connector, bridge->encoder); + + return 0; +} + +/* ----------------------------------------------------------------------------- + * DRM Bridge Operations + */ + static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge) { return container_of(bridge, struct adv7511, bridge); @@ -851,34 +902,13 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { struct adv7511 *adv = bridge_to_adv7511(bridge); - int ret; - - if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { - DRM_ERROR("Fix bridge driver to make connector optional!"); - return -EINVAL; - } - - if (!bridge->encoder) { - DRM_ERROR("Parent encoder object not found"); - return -ENODEV; - } - - if (adv->i2c_main->irq) - adv->connector.polled = DRM_CONNECTOR_POLL_HPD; - else - adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; + int ret = 0; - ret = drm_connector_init(bridge->dev, &adv->connector, - &adv7511_connector_funcs, - DRM_MODE_CONNECTOR_HDMIA); - if (ret) { - DRM_ERROR("Failed to initialize connector with drm\n"); - return ret; + if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) { + ret = adv7511_connector_init(adv); + if (ret < 0) + return ret; } - drm_connector_helper_add(&adv->connector, - &adv7511_connector_helper_funcs); - drm_connector_attach_encoder(&adv->connector, bridge->encoder); if (adv->type == ADV7533 || adv->type == ADV7535) ret = adv7533_attach_dsi(adv); @@ -890,11 +920,38 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge, return ret; } +static enum drm_connector_status adv7511_bridge_detect(struct drm_bridge *bridge) +{ + struct adv7511 *adv = bridge_to_adv7511(bridge); + + return adv7511_detect(adv, NULL); +} + +static struct edid *adv7511_bridge_get_edid(struct drm_bridge *bridge, + struct drm_connector *connector) +{ + struct adv7511 *adv = bridge_to_adv7511(bridge); + + return adv7511_get_edid(adv, connector); +} + +static void adv7511_bridge_hpd_notify(struct drm_bridge *bridge, + enum drm_connector_status status) +{ + struct adv7511 *adv = bridge_to_adv7511(bridge); + + if (status == connector_status_disconnected) + cec_phys_addr_invalidate(adv->cec_adap); +} + static const struct drm_bridge_funcs adv7511_bridge_funcs = { .enable = adv7511_bridge_enable, .disable = adv7511_bridge_disable, .mode_set = adv7511_bridge_mode_set, .attach = adv7511_bridge_attach, + .detect = adv7511_bridge_detect, + .get_edid = adv7511_bridge_get_edid, + .hpd_notify = adv7511_bridge_hpd_notify, }; /* ----------------------------------------------------------------------------- @@ -1223,6 +1280,8 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) goto err_unregister_cec; adv7511->bridge.funcs = &adv7511_bridge_funcs; + adv7511->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID + | DRM_BRIDGE_OP_HPD; adv7511->bridge.of_node = dev->of_node; adv7511->bridge.type = DRM_MODE_CONNECTOR_HDMIA; |