Re: [PATCH v2] media: Hantro: Correct G2 init qp field

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Le mardi 24 mai 2022 à 13:59 +0200, Benjamin Gaignard a écrit :
> Documentation said that g2 init_qp field use bits 24 to 30 of
> the 8th register.
> Change the field mask to be able to set 7 bits and not only 6 of them.
> 
> Conformance test INITQP_B_Main10_Sony_1 decoding is OK with this
> patch.
> 
> Fixes: cb5dd5a0fa518 ("media: hantro: Introduce G2/HEVC decoder")
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>

Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>

> ---
> With this patch and the patches needed for 10-bit support
> Fluster HEVC score is 137/147
> 
> version 2:
> - Add Fixes tag
> 
>  drivers/staging/media/hantro/hantro_g2_regs.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/media/hantro/hantro_g2_regs.h b/drivers/staging/media/hantro/hantro_g2_regs.h
> index 877d663a8181..82606783591a 100644
> --- a/drivers/staging/media/hantro/hantro_g2_regs.h
> +++ b/drivers/staging/media/hantro/hantro_g2_regs.h
> @@ -107,7 +107,7 @@
>  
>  #define g2_start_code_e		G2_DEC_REG(10, 31, 0x1)
>  #define g2_init_qp_old		G2_DEC_REG(10, 25, 0x3f)
> -#define g2_init_qp		G2_DEC_REG(10, 24, 0x3f)
> +#define g2_init_qp		G2_DEC_REG(10, 24, 0x7f)
>  #define g2_num_tile_cols_old	G2_DEC_REG(10, 20, 0x1f)
>  #define g2_num_tile_cols	G2_DEC_REG(10, 19, 0x1f)
>  #define g2_num_tile_rows_old	G2_DEC_REG(10, 15, 0x1f)






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