On Tue, 29 Oct 2019 01:24:50 +0000
Jonas Karlman <jonas@xxxxxxxxx> wrote:
> Calculations for motion vector buffer offset is based on width and height
> from the configured capture format, lets use the same values for macroblock
> width and height hw regs.
>
> Fixes: dea0a82f3d22 ("media: hantro: Add support for H264 decoding on G1")
> Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
> ---
> Changes in v2:
> - new patch split from "media: hantro: Fix H264 motion vector buffer offset"
> ---
> drivers/staging/media/hantro/hantro_g1_h264_dec.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/media/hantro/hantro_g1_h264_dec.c b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
> index 71bf162eaf73..eeed11366135 100644
> --- a/drivers/staging/media/hantro/hantro_g1_h264_dec.c
> +++ b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
> @@ -51,8 +51,8 @@ static void set_params(struct hantro_ctx *ctx)
> vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL0);
>
> /* Decoder control register 1. */
> - reg = G1_REG_DEC_CTRL1_PIC_MB_WIDTH(sps->pic_width_in_mbs_minus1 + 1) |
> - G1_REG_DEC_CTRL1_PIC_MB_HEIGHT_P(sps->pic_height_in_map_units_minus1 + 1) |
> + reg = G1_REG_DEC_CTRL1_PIC_MB_WIDTH(MB_WIDTH(ctx->dst_fmt.width)) |
> + G1_REG_DEC_CTRL1_PIC_MB_HEIGHT_P(MB_HEIGHT(ctx->dst_fmt.height)) |
I'm just curious, do they differ in practice? Also not sure what's been
decided for the "G1 post-proc", but if the dst/capture format res set
by the user is the scaled res (PP can scale IIRC), then you probably
shouldn't use those values here.
> G1_REG_DEC_CTRL1_REF_FRAMES(sps->max_num_ref_frames);
> vdpu_write_relaxed(vpu, reg, G1_REG_DEC_CTRL1);
>
