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Subject[PATCH v3] media: amphion: return error if format is unsupported by vpu
Date
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>
---
v3
- return buffers if start fail
v2
- warn on failed to remap pixel format to malone foramt
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 f29c223eefce..40267c73b1f9 100644
--- a/drivers/media/platform/amphion/vpu_malone.c
+++ b/drivers/media/platform/amphion/vpu_malone.c
@@ -610,6 +610,8 @@ 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 446f07d09d0b..70980cb4e803 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_ERROR);

- return 0;
+ return ret;
}

static void vpu_vb2_stop_streaming(struct vb2_queue *q)
--
2.36.1
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