Re: [PATCH v2 08/10] media: hantro: Set H264 FIELDPIC_FLAG_E flag correctly

[Boris Brezillon]

On Tue, 29 Oct 2019 01:26:00 +0000
Jonas Karlman <jonas@xxxxxxxxx> wrote:

> The FIELDPIC_FLAG_E bit should be set when field_pic_flag exists in stream,
> it is currently set based on field_pic_flag of current frame.
> The PIC_FIELDMODE_E bit is correctly set based on the field_pic_flag.
> 
> Fix this by setting the FIELDPIC_FLAG_E bit when frame_mbs_only is not set.
> 
> Fixes: dea0a82f3d22 ("media: hantro: Add support for H264 decoding on G1")
> Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>

Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>

> ---
>  drivers/staging/media/hantro/hantro_g1_h264_dec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/media/hantro/hantro_g1_h264_dec.c b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
> index eeed11366135..c07da0ee4973 100644
> --- a/drivers/staging/media/hantro/hantro_g1_h264_dec.c
> +++ b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
> @@ -63,7 +63,7 @@ static void set_params(struct hantro_ctx *ctx)
>  	/* always use the matrix sent from userspace */
>  	reg |= G1_REG_DEC_CTRL2_TYPE1_QUANT_E;
>  
> -	if (slices[0].flags &  V4L2_H264_SLICE_FLAG_FIELD_PIC)
> +	if (!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY))
>  		reg |= G1_REG_DEC_CTRL2_FIELDPIC_FLAG_E;
>  	vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL2);
>