Re: [PATCH 2/4] venus: update calculation for dpb buffers

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On 4.05.2023 12:36, Dikshita Agarwal wrote:
> Use dpb color format, width and height of output port
> for calculating buffer size of dpb buffers.
> 
> Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
> ---
Looks sane but I'm not exactly an expert on this

Acked-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
>  drivers/media/platform/qcom/venus/helpers.c          | 4 ++++
>  drivers/media/platform/qcom/venus/hfi_plat_bufs.h    | 3 +++
>  drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c | 8 +++++++-
>  3 files changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index 5946def..4ad6232 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -641,12 +641,16 @@ static int platform_get_bufreq(struct venus_inst *inst, u32 buftype,
>  	if (is_dec) {
>  		params.width = inst->width;
>  		params.height = inst->height;
> +		params.out_width = inst->out_width;
> +		params.out_height = inst->out_height;
>  		params.codec = inst->fmt_out->pixfmt;
>  		params.hfi_color_fmt = to_hfi_raw_fmt(inst->fmt_cap->pixfmt);
>  		params.dec.max_mbs_per_frame = mbs_per_frame_max(inst);
>  		params.dec.buffer_size_limit = 0;
>  		params.dec.is_secondary_output =
>  			inst->opb_buftype == HFI_BUFFER_OUTPUT2;
> +		if (params.dec.is_secondary_output)
> +			params.hfi_dpb_color_fmt = inst->dpb_fmt;
>  		params.dec.is_interlaced =
>  			inst->pic_struct != HFI_INTERLACE_FRAME_PROGRESSIVE;
>  	} else {
> diff --git a/drivers/media/platform/qcom/venus/hfi_plat_bufs.h b/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
> index 52a51a3..25e6074 100644
> --- a/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
> +++ b/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
> @@ -12,8 +12,11 @@
>  struct hfi_plat_buffers_params {
>  	u32 width;
>  	u32 height;
> +	u32 out_width;
> +	u32 out_height;
>  	u32 codec;
>  	u32 hfi_color_fmt;
> +	u32 hfi_dpb_color_fmt;
>  	enum hfi_version version;
>  	u32 num_vpp_pipes;
>  	union {
> diff --git a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
> index ea25c45..3855b04 100644
> --- a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
> +++ b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
> @@ -1185,6 +1185,7 @@ static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype,
>  	enum hfi_version version = params->version;
>  	u32 codec = params->codec;
>  	u32 width = params->width, height = params->height, out_min_count;
> +	u32 out_width = params->out_width, out_height = params->out_height;
>  	struct dec_bufsize_ops *dec_ops;
>  	bool is_secondary_output = params->dec.is_secondary_output;
>  	bool is_interlaced = params->dec.is_interlaced;
> @@ -1235,7 +1236,12 @@ static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype,
>  		bufreq->count_min = out_min_count;
>  		bufreq->size =
>  			venus_helper_get_framesz_raw(params->hfi_color_fmt,
> -						     width, height);
> +						     out_width, out_height);
> +		if (buftype == HFI_BUFFER_OUTPUT &&
> +		    params->dec.is_secondary_output)
> +			bufreq->size =
> +				venus_helper_get_framesz_raw(params->hfi_dpb_color_fmt,
> +							     out_width, out_height);
>  	} else if (buftype == HFI_BUFFER_INTERNAL_SCRATCH(version)) {
>  		bufreq->size = dec_ops->scratch(width, height, is_interlaced);
>  	} else if (buftype == HFI_BUFFER_INTERNAL_SCRATCH_1(version)) {



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