[Mesa-dev] [PATCH] radeon/vcn: enable rate control for hevc encoding

[Liu, Leo]

Please tag the bugzilla link to the commit messages. With that, the set 
of patches are

Acked-by: Leo Liu <leo.liu at amd.com>


On 2019-06-17 3:07 p.m., boyuan.zhang at amd.com wrote:
> From: Boyuan Zhang <boyuan.zhang at amd.com>
>
> Set cu_qp_delta_enable_flag on when rate control is enabled, and it
> off when no rate control is disabled (constant qp).
>
> Signed-off-by: Boyuan Zhang <boyuan.zhang at amd.com>
> ---
>   src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c | 8 +++++++-
>   1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c b/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c
> index 3302ed7524..e4b9162034 100644
> --- a/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c
> +++ b/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c
> @@ -687,7 +687,13 @@ static void radeon_enc_nalu_pps_hevc(struct radeon_encoder *enc)
>   	radeon_enc_code_se(enc, 0x0);
>   	radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag, 1);
>   	radeon_enc_code_fixed_bits(enc, 0x0, 1);
> -	radeon_enc_code_fixed_bits(enc, 0x0, 1);
> +	if (enc->enc_pic.rc_session_init.rate_control_method ==
> +		RENC_UVD_RATE_CONTROL_METHOD_NONE)
> +		radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
> +	else {
> +		radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
> +		radeon_uvd_enc_code_ue(enc, 0x0);
> +	}
>   	radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.cb_qp_offset);
>   	radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.cr_qp_offset);
>   	radeon_enc_code_fixed_bits(enc, 0x0, 1);