| Message ID | 20250502-qcom-iris-hevc-vp9-v3-15-552158a10a7d@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v3,01/23] media: iris: Skip destroying internal buffer if not dequeued | expand |
On 01/05/2025 20:13, Dikshita Agarwal wrote: > Improve the handling of the V4L2_BUF_FLAG_LAST flag in the driver: > - Ensure that the last flag is not sent multiple times. > - Attach the last flag to the first capture buffer returned during > flush, triggered by a sequence change, addressing cases where the > firmware does not set the last flag. > > Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com> > Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> I'm sure this is logically correct, I just wonder if you could represent it as a inst->state instead of as a flag ? Up to you to think about. Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
diff --git a/drivers/media/platform/qcom/iris/iris_buffer.c b/drivers/media/platform/qcom/iris/iris_buffer.c index 018334512bae..7dbac74b1a8d 100644 --- a/drivers/media/platform/qcom/iris/iris_buffer.c +++ b/drivers/media/platform/qcom/iris/iris_buffer.c @@ -636,6 +636,7 @@ int iris_vb2_buffer_done(struct iris_inst *inst, struct iris_buffer *buf) v4l2_event_queue_fh(&inst->fh, &ev); v4l2_m2m_mark_stopped(m2m_ctx); } + inst->last_buffer_dequeued = true; } state = VB2_BUF_STATE_DONE; diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c index d36e29c779db..19ced1b3ee74 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c @@ -458,7 +458,12 @@ static void iris_hfi_gen1_session_ftb_done(struct iris_inst *inst, void *packet) timestamp_us = timestamp_hi; timestamp_us = (timestamp_us << 32) | timestamp_lo; } else { - flags |= V4L2_BUF_FLAG_LAST; + if (pkt->stream_id == 1 && !inst->last_buffer_dequeued) { + if (iris_drc_pending(inst)) { + flags |= V4L2_BUF_FLAG_LAST; + inst->last_buffer_dequeued = true; + } + } } buf->timestamp = timestamp_us; diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/media/platform/qcom/iris/iris_instance.h index 06a7f1174ad5..5ec6368b2af7 100644 --- a/drivers/media/platform/qcom/iris/iris_instance.h +++ b/drivers/media/platform/qcom/iris/iris_instance.h @@ -43,6 +43,7 @@ * @sequence_out: a sequence counter for output queue * @tss: timestamp metadata * @metadata_idx: index for metadata buffer + * @last_buffer_dequeued: a flag to indicate that last buffer is sent by driver */ struct iris_inst { @@ -74,6 +75,7 @@ struct iris_inst { u32 sequence_out; struct iris_ts_metadata tss[VIDEO_MAX_FRAME]; u32 metadata_idx; + bool last_buffer_dequeued; }; #endif diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c index b3bde10eb6d2..8b17c7c39487 100644 --- a/drivers/media/platform/qcom/iris/iris_vb2.c +++ b/drivers/media/platform/qcom/iris/iris_vb2.c @@ -305,7 +305,7 @@ void iris_vb2_buf_queue(struct vb2_buffer *vb2) goto exit; } - if (V4L2_TYPE_IS_CAPTURE(vb2->vb2_queue->type)) { + if (!inst->last_buffer_dequeued && V4L2_TYPE_IS_CAPTURE(vb2->vb2_queue->type)) { if ((inst->sub_state & IRIS_INST_SUB_DRC && inst->sub_state & IRIS_INST_SUB_DRC_LAST) || (inst->sub_state & IRIS_INST_SUB_DRAIN && @@ -319,6 +319,7 @@ void iris_vb2_buf_queue(struct vb2_buffer *vb2) v4l2_event_queue_fh(&inst->fh, &eos); v4l2_m2m_mark_stopped(m2m_ctx); } + inst->last_buffer_dequeued = true; goto exit; } } diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c index d342f733feb9..de4e3fe8ed5a 100644 --- a/drivers/media/platform/qcom/iris/iris_vdec.c +++ b/drivers/media/platform/qcom/iris/iris_vdec.c @@ -487,6 +487,8 @@ static int iris_vdec_process_streamon_output(struct iris_inst *inst) if (ret) return ret; + inst->last_buffer_dequeued = false; + return iris_inst_change_sub_state(inst, clear_sub_state, 0); }