From a3a2efca36a3a1ddba229a7be7991e8b5de4ac35 Mon Sep 17 00:00:00 2001
From: Ming Qian <ming.qian@nxp.com>
Date: Thu, 9 Jun 2022 10:27:59 +0100
Subject: [PATCH] media: amphion: return error if format is unsupported by vpu
return error if format is unsupported by vpu,
otherwise the vpu will be stalled at decoding
Fixes: 3cd084519c6f9 ("media: amphion: add vpu v4l2 m2m support")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
---
drivers/media/platform/amphion/vpu_malone.c | 2 ++
drivers/media/platform/amphion/vpu_v4l2.c | 6 ++++--
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/amphion/vpu_malone.c b/drivers/media/platform/amphion/vpu_malone.c
index 7a06011a217ad..c62b49e850604 100644
--- a/drivers/media/platform/amphion/vpu_malone.c
+++ b/drivers/media/platform/amphion/vpu_malone.c
@@ -626,6 +626,8 @@ static int vpu_malone_set_params(struct vpu_shared_addr *shared,
enum vpu_malone_format malone_format;
malone_format = vpu_malone_format_remap(params->codec_format);
+ if (WARN_ON(malone_format == MALONE_FMT_NULL))
+ return -EINVAL;
iface->udata_buffer[instance].base = params->udata.base;
iface->udata_buffer[instance].slot_size = params->udata.size;
diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c
index 446f07d09d0bb..da455e5ab3376 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.c
+++ b/drivers/media/platform/amphion/vpu_v4l2.c
@@ -500,10 +500,12 @@ static int vpu_vb2_start_streaming(struct vb2_queue *q, unsigned int count)
fmt->sizeimage[1], fmt->bytesperline[1],
fmt->sizeimage[2], fmt->bytesperline[2],
q->num_buffers);
- call_void_vop(inst, start, q->type);
+ ret = call_vop(inst, start, q->type);
vb2_clear_last_buffer_dequeued(q);
+ if (ret)
+ vpu_vb2_buffers_return(inst, q->type, VB2_BUF_STATE_QUEUED);
- return 0;
+ return ret;
}
static void vpu_vb2_stop_streaming(struct vb2_queue *q)
--
2.30.2