diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-01-25 21:04:06 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-01-26 08:52:25 +0100 |
| commit | c2bb3be64eb7182285846123219230375af61abd (patch) | |
| tree | d23d797ef1a7ea1299fdeffe3500cd77788972cb /drivers/gpu/drm/drm_client.c | |
| parent | da2b1a0a40d8ea8f23f9d13e10ec3160ef92178d (diff) | |
drm/client: Test for connectors before sending hotplug event
Test for connectors in the client code and remove a similar test
from the generic fbdev emulation. Do nothing if the test fails.
Not having connectors indicates a driver bug.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230125200415.14123-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_client.c')
| -rw-r--r-- | drivers/gpu/drm/drm_client.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c index 262ec64d4397..09ac191c202d 100644 --- a/drivers/gpu/drm/drm_client.c +++ b/drivers/gpu/drm/drm_client.c @@ -198,6 +198,11 @@ void drm_client_dev_hotplug(struct drm_device *dev) if (!drm_core_check_feature(dev, DRIVER_MODESET)) return; + if (!dev->mode_config.num_connector) { + drm_dbg_kms(dev, "No connectors found, will not send hotplug events!\n"); + return; + } + mutex_lock(&dev->clientlist_mutex); list_for_each_entry(client, &dev->clientlist, list) { if (!client->funcs || !client->funcs->hotplug) |