This is a note to let you know that I've just added the patch titled
media: vivid: don't set HDMI TX controls if there are no HDMI outputs
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-vivid-don-t-set-hdmi-tx-controls-if-there-are-.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7ddf8fbbfb8b9e106651b42c9900ad680bdf012c
Author: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Date: Mon Jun 24 12:52:59 2024 +0300
media: vivid: don't set HDMI TX controls if there are no HDMI outputs
[ Upstream commit 17763960b1784578e8fe915304b330922f646209 ]
When setting the EDID it would attempt to update two controls
that are only present if there is an HDMI output configured.
If there isn't any (e.g. when the vivid module is loaded with
node_types=1), then calling VIDIOC_S_EDID would crash.
Fix this by first checking if outputs are present.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c
index 907781c2e613..2ce7f5567f51 100644
--- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c
+++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c
@@ -1802,8 +1802,10 @@ int vidioc_s_edid(struct file *file, void *_fh,
return -EINVAL;
if (edid->blocks == 0) {
dev->edid_blocks = 0;
- v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0);
- v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0);
+ if (dev->num_outputs) {
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0);
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0);
+ }
phys_addr = CEC_PHYS_ADDR_INVALID;
goto set_phys_addr;
}
@@ -1827,8 +1829,10 @@ int vidioc_s_edid(struct file *file, void *_fh,
display_present |=
dev->display_present[i] << j++;
- v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present);
- v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present);
+ if (dev->num_outputs) {
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present);
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present);
+ }
set_phys_addr:
/* TODO: a proper hotplug detect cycle should be emulated here */
