Hi Malathi,
On 10/09/2018 10:50 AM, Malathi Gottam wrote:
> Buffers can be queued to driver before the planes are
> set to start streaming. Queue those buffers to firmware
> once start streaming is called on both the planes.
yes and this is done in venus_helper_m2m_device_run mem2mem operation
when streamon on both queues is called, thus below function just
duplicates .device_run.
Do you fix an issue with that patch?
>
> Signed-off-by: Malathi Gottam <mgottam@xxxxxxxxxxxxxx>
> ---
> drivers/media/platform/qcom/venus/helpers.c | 22 ++++++++++++++++++++++
> drivers/media/platform/qcom/venus/helpers.h | 1 +
> drivers/media/platform/qcom/venus/venc.c | 5 +++++
> 3 files changed, 28 insertions(+)
>
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index e436385..2679adb 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -1041,6 +1041,28 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q)
> }
> EXPORT_SYMBOL_GPL(venus_helper_vb2_stop_streaming);
>
> +int venus_helper_queue_initial_bufs(struct venus_inst *inst)
> +{
> + struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
> + struct v4l2_m2m_buffer *buf, *n;
> + int ret;
> +
> + v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buf, n) {
> + ret = session_process_buf(inst, &buf->vb);
> + if (ret)
> + return_buf_error(inst, &buf->vb);
> + }
> +
> + v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buf, n) {
> + ret = session_process_buf(inst, &buf->vb);
> + if (ret)
> + return_buf_error(inst, &buf->vb);
> + }
> +
> + return 0;
> +}
> +EXPORT_SYMBOL(venus_helper_queue_initial_bufs);
> +
> int venus_helper_vb2_start_streaming(struct venus_inst *inst)
> {
> struct venus_core *core = inst->core;
> diff --git a/drivers/media/platform/qcom/venus/helpers.h b/drivers/media/platform/qcom/venus/helpers.h
> index 2475f284..f4d76ab 100644
> --- a/drivers/media/platform/qcom/venus/helpers.h
> +++ b/drivers/media/platform/qcom/venus/helpers.h
> @@ -31,6 +31,7 @@ void venus_helper_buffers_done(struct venus_inst *inst,
> int venus_helper_vb2_start_streaming(struct venus_inst *inst);
> void venus_helper_m2m_device_run(void *priv);
> void venus_helper_m2m_job_abort(void *priv);
> +int venus_helper_queue_initial_bufs(struct venus_inst *inst);
> int venus_helper_get_bufreq(struct venus_inst *inst, u32 type,
> struct hfi_buffer_requirements *req);
> u32 venus_helper_get_framesz_raw(u32 hfi_fmt, u32 width, u32 height);
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index ce85962..ef11495 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -989,6 +989,11 @@ static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
> if (ret)
> goto deinit_sess;
>
> + ret = venus_helper_queue_initial_bufs(inst);
> + if (ret)
> + goto deinit_sess;
> + }
> +
> mutex_unlock(&inst->lock);
>
> return 0;
>
--
regards,
Stan
