From: Marius Vlad <marius.vlad@collabora.com>
Only send a new hotplug event when writing to the connector status
configfs entry if the connector status changed compared to its
previous value.
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
---
drivers/gpu/drm/vkms/vkms_configfs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vkms/vkms_configfs.c b/drivers/gpu/drm/vkms/vkms_configfs.c
index 506666e21c91..d6e203d59b45 100644
--- a/drivers/gpu/drm/vkms/vkms_configfs.c
+++ b/drivers/gpu/drm/vkms/vkms_configfs.c
@@ -549,9 +549,11 @@ static ssize_t connector_status_store(struct config_item *item,
return -EINVAL;
scoped_guard(mutex, &connector->dev->lock) {
+ enum drm_connector_status old_status =
+ vkms_config_connector_get_status(connector->config);
vkms_config_connector_set_status(connector->config, status);
- if (connector->dev->enabled)
+ if (connector->dev->enabled && old_status != status)
vkms_trigger_connector_hotplug(connector->dev->config->dev);
}
--
2.52.0