[PATCH v3 01/10] drm/client: Test for connectors before sending hotplug event

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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@xxxxxxx>
Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
---
 drivers/gpu/drm/drm_client.c        | 5 +++++
 drivers/gpu/drm/drm_fbdev_generic.c | 5 -----
 2 files changed, 5 insertions(+), 5 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)
diff --git a/drivers/gpu/drm/drm_fbdev_generic.c b/drivers/gpu/drm/drm_fbdev_generic.c
index 0a4c160e0e58..3d455a2e3fb5 100644
--- a/drivers/gpu/drm/drm_fbdev_generic.c
+++ b/drivers/gpu/drm/drm_fbdev_generic.c
@@ -389,11 +389,6 @@ static int drm_fbdev_client_hotplug(struct drm_client_dev *client)
 	if (dev->fb_helper)
 		return drm_fb_helper_hotplug_event(dev->fb_helper);
 
-	if (!dev->mode_config.num_connector) {
-		drm_dbg_kms(dev, "No connectors found, will not create framebuffer!\n");
-		return 0;
-	}
-
 	drm_fb_helper_prepare(dev, fb_helper, &drm_fb_helper_generic_funcs);
 
 	ret = drm_fb_helper_init(dev, fb_helper);
-- 
2.39.0




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