Re: [PATCH] media: mediatek: vcodec: Use 4K frame size when supported by stateful decoder

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On 02/03/2023 14:18, Pin-yen Lin wrote:
> After commit b018be06f3c7 ("media: mediatek: vcodec: Read max resolution
> from dec_capability"), the stateful video decoder driver never really
> sets its output frame size to 4K.
> 
> Parse the decoder capability reported by the firmware, and update the
> output frame size in mtk_init_vdec_params to enable 4K frame size when
> available.
> 
> Fixes: b018be06f3c7 ("media: mediatek: vcodec: Read max resolution from dec_capability")
> Signed-off-by: Pin-yen Lin <treapking@xxxxxxxxxxxx>
> ---
> 
>  .../mediatek/vcodec/mtk_vcodec_dec_stateful.c        | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateful.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateful.c
> index 035c86e7809f..679f4dc9acfb 100644
> --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateful.c
> +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateful.c
> @@ -11,7 +11,7 @@
>  #include "mtk_vcodec_dec_pm.h"
>  #include "vdec_drv_if.h"
>  
> -static const struct mtk_video_fmt mtk_video_formats[] = {
> +static struct mtk_video_fmt mtk_video_formats[] = {
>  	{
>  		.fourcc = V4L2_PIX_FMT_H264,
>  		.type = MTK_FMT_DEC,
> @@ -580,6 +580,16 @@ static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
>  
>  static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
>  {
> +	unsigned int i;
> +
> +	if (!(ctx->dev->dec_capability & VCODEC_CAPABILITY_4K_DISABLED)) {
> +		for (i = 0; i < num_supported_formats; i++) {
> +			mtk_vdec_framesizes[i].stepwise.max_width =
> +				VCODEC_DEC_4K_CODED_WIDTH;
> +			mtk_vdec_framesizes[i].stepwise.max_height =
> +				VCODEC_DEC_4K_CODED_HEIGHT;
> +		}
> +	}

This doesn't apply: commit cfce5b186537 ("media: mediatek: vcodec: decoder: Embed
framesize inside mtk_video_fmt") removed mtk_vdec_framesizes.

Please post a v2 if this is still relevant.

Regards,

	Hans

>  }
>  
>  static struct vb2_ops mtk_vdec_frame_vb2_ops = {




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