From: Ming Qian ming.qian@nxp.com
[ Upstream commit d8f1eb105eab7aab36323c6b488dda479d5bd2da ]
1. prevent to allocate buffer to firmware during abort 2. release buffer when clear the slots
Fixes: 6de8d628df6ef ("media: amphion: add v4l2 m2m vpu decoder stateful driver") 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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/amphion/vdec.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/media/platform/amphion/vdec.c b/drivers/media/platform/amphion/vdec.c index a5bb997b000b..5e3b08d07abd 100644 --- a/drivers/media/platform/amphion/vdec.c +++ b/drivers/media/platform/amphion/vdec.c @@ -63,6 +63,7 @@ struct vdec_t { bool is_source_changed; u32 source_change; u32 drain; + bool aborting; };
static const struct vpu_format vdec_formats[] = { @@ -948,6 +949,9 @@ static int vdec_response_frame(struct vpu_inst *inst, struct vb2_v4l2_buffer *vb if (inst->state != VPU_CODEC_STATE_ACTIVE) return -EINVAL;
+ if (vdec->aborting) + return -EINVAL; + if (!vdec->req_frame_count) return -EINVAL;
@@ -1057,6 +1061,8 @@ static void vdec_clear_slots(struct vpu_inst *inst) vpu_buf = vdec->slots[i]; vbuf = &vpu_buf->m2m_buf.vb;
+ vpu_trace(inst->dev, "clear slot %d\n", i); + vdec_response_fs_release(inst, i, vpu_buf->tag); vdec_recycle_buffer(inst, vbuf); vdec->slots[i]->state = VPU_BUF_STATE_IDLE; vdec->slots[i] = NULL; @@ -1318,6 +1324,8 @@ static void vdec_abort(struct vpu_inst *inst) int ret;
vpu_trace(inst->dev, "[%d] state = %d\n", inst->id, inst->state); + + vdec->aborting = true; vpu_iface_add_scode(inst, SCODE_PADDING_ABORT); vdec->params.end_flag = 1; vpu_iface_set_decode_params(inst, &vdec->params, 1); @@ -1341,6 +1349,7 @@ static void vdec_abort(struct vpu_inst *inst) vdec->decoded_frame_count = 0; vdec->display_frame_count = 0; vdec->sequence = 0; + vdec->aborting = false; }
static void vdec_stop(struct vpu_inst *inst, bool free)