diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-10-09 20:40:48 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-10-11 13:20:22 +0300 |
| commit | ff5f9ae9812c7988049e0ce3c532493994e4b1f5 (patch) | |
| tree | b2c888063d2fe3955c41953546f4dbe795926720 /drivers/gpu/drm/drm_bridge_connector.c | |
| parent | 6ec2cf814210fc2df0a59beac895775b6a04d74d (diff) | |
drm/bridge_connector: implement oob_hotplug_event
Implement the oob_hotplug_event() callback. Translate it to the HPD
notification sent to the HPD bridge in the chain.
Reviewed-by: Janne Grunau <j@jannau.net>
Link: https://lore.kernel.org/r/20231009174048.2695981-4-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231009174048.2695981-4-dmitry.baryshkov@linaro.org
Diffstat (limited to 'drivers/gpu/drm/drm_bridge_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_bridge_connector.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c index 70582491d955..8239ad43aed5 100644 --- a/drivers/gpu/drm/drm_bridge_connector.c +++ b/drivers/gpu/drm/drm_bridge_connector.c @@ -5,6 +5,8 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/property.h> #include <linux/slab.h> #include <drm/drm_atomic_state_helper.h> @@ -107,10 +109,9 @@ static void drm_bridge_connector_hpd_notify(struct drm_connector *connector, } } -static void drm_bridge_connector_hpd_cb(void *cb_data, - enum drm_connector_status status) +static void drm_bridge_connector_handle_hpd(struct drm_bridge_connector *drm_bridge_connector, + enum drm_connector_status status) { - struct drm_bridge_connector *drm_bridge_connector = cb_data; struct drm_connector *connector = &drm_bridge_connector->base; struct drm_device *dev = connector->dev; @@ -123,6 +124,21 @@ static void drm_bridge_connector_hpd_cb(void *cb_data, drm_kms_helper_connector_hotplug_event(connector); } +static void drm_bridge_connector_hpd_cb(void *cb_data, + enum drm_connector_status status) +{ + drm_bridge_connector_handle_hpd(cb_data, status); +} + +static void drm_bridge_connector_oob_hotplug_event(struct drm_connector *connector, + enum drm_connector_status status) +{ + struct drm_bridge_connector *bridge_connector = + to_drm_bridge_connector(connector); + + drm_bridge_connector_handle_hpd(bridge_connector, status); +} + static void drm_bridge_connector_enable_hpd(struct drm_connector *connector) { struct drm_bridge_connector *bridge_connector = @@ -191,6 +207,8 @@ static void drm_bridge_connector_destroy(struct drm_connector *connector) drm_connector_unregister(connector); drm_connector_cleanup(connector); + fwnode_handle_put(connector->fwnode); + kfree(bridge_connector); } @@ -216,6 +234,7 @@ static const struct drm_connector_funcs drm_bridge_connector_funcs = { .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .debugfs_init = drm_bridge_connector_debugfs_init, + .oob_hotplug_event = drm_bridge_connector_oob_hotplug_event, }; /* ----------------------------------------------------------------------------- @@ -352,6 +371,12 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, if (!drm_bridge_get_next_bridge(bridge)) connector_type = bridge->type; +#ifdef CONFIG_OF + if (!drm_bridge_get_next_bridge(bridge) && + bridge->of_node) + connector->fwnode = fwnode_handle_get(of_fwnode_handle(bridge->of_node)); +#endif + if (bridge->ddc) ddc = bridge->ddc; |