From: Dmitry Baryshkov Date: Mon, 9 Oct 2023 17:40:47 +0000 (+0300) Subject: drm/bridge_connector: stop filtering events in drm_bridge_connector_hpd_cb() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6ec2cf814210fc2df0a59beac895775b6a04d74d;p=linux.git drm/bridge_connector: stop filtering events in drm_bridge_connector_hpd_cb() In some cases the bridge drivers would like to receive hotplug events even in the case new status is equal to the old status. In the DP case this is used to deliver "attention" messages to the DP host. Stop filtering the events in the drm_bridge_connector_hpd_cb() and let drivers decide whether they would like to receive the event or not. Reviewed-by: Janne Grunau Link: https://lore.kernel.org/r/20231009174048.2695981-3-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov Link: https://patchwork.freedesktop.org/patch/msgid/20231009174048.2695981-3-dmitry.baryshkov@linaro.org --- diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c index 31baf1f5ff816..70582491d9557 100644 --- a/drivers/gpu/drm/drm_bridge_connector.c +++ b/drivers/gpu/drm/drm_bridge_connector.c @@ -113,16 +113,11 @@ static void drm_bridge_connector_hpd_cb(void *cb_data, struct drm_bridge_connector *drm_bridge_connector = cb_data; struct drm_connector *connector = &drm_bridge_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) - return; - drm_bridge_connector_hpd_notify(connector, status); drm_kms_helper_connector_hotplug_event(connector);