This is a note to let you know that I've just added the patch titled media: amphion: output firmware error message to the 5.19-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-amphion-output-firmware-error-message.patch and it can be found in the queue-5.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 94d3aceb1c31f1904e83a0271ef3a34ce7885df3 Author: Ming Qian <ming.qian@xxxxxxx> Date: Fri Jun 10 07:26:11 2022 +0100 media: amphion: output firmware error message [ Upstream commit 89e3f3fb3d9014efa59ed6bb526d5f1a00168452 ] Firmware may send the error event with some error message, and it help locate the firmware error, so output the error message if it exists Fixes: 61cbf1c1fa6d7 ("media: amphion: implement vpu core communication based on mailbox") Signed-off-by: Ming Qian <ming.qian@xxxxxxx> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/media/platform/amphion/vpu_msgs.c b/drivers/media/platform/amphion/vpu_msgs.c index d5850df8f1d5..d8247f36d84b 100644 --- a/drivers/media/platform/amphion/vpu_msgs.c +++ b/drivers/media/platform/amphion/vpu_msgs.c @@ -150,7 +150,12 @@ static void vpu_session_handle_eos(struct vpu_inst *inst, struct vpu_rpc_event * static void vpu_session_handle_error(struct vpu_inst *inst, struct vpu_rpc_event *pkt) { - dev_err(inst->dev, "unsupported stream\n"); + char *str = (char *)pkt->data; + + if (strlen(str)) + dev_err(inst->dev, "instance %d firmware error : %s\n", inst->id, str); + else + dev_err(inst->dev, "instance %d is unsupported stream\n", inst->id); call_void_vop(inst, event_notify, VPU_MSG_ID_UNSUPPORTED, NULL); vpu_v4l2_set_error(inst); }