Re: [PATCH v5,4/4] drm/mediatek: dp: Add support MT8188 dp/edp function

["CK Hu (胡俊光)" <ck.hu@mediatek.com>]

Hi, Shuijing:

On Thu, 2023-08-17 at 14:26 +0800, Shuijing Li wrote:
> Add mtk_dp_audio_sample_arrange_disable function for MT8188.
> 
> Signed-off-by: Shuijing Li <shuijing.li@mediatek.com>
> ---
> Changes in v5:
> Separate mt8188 related code into mtk_dp_data structure and mt8188
> dp/edp function
> per suggestion from the previous thread:
> 
https://lore.kernel.org/lkml/c1c84616f3da83a8a2bc245b0d3c7697153cd81a.camel@mediatek.com/
> ---
>  drivers/gpu/drm/mediatek/mtk_dp.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c
> b/drivers/gpu/drm/mediatek/mtk_dp.c
> index fb110374ad1f..67986dd7c9d7 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dp.c
> @@ -1364,6 +1364,18 @@ static void
> mtk_dp_sdp_set_down_cnt_init_in_hblank(struct mtk_dp *mtk_dp)
>  			   SDP_DOWN_CNT_INIT_IN_HBLANK_DP_ENC1_P0_MASK)
> ;
>  }
>  
> +static void mtk_dp_audio_sample_arrange_disable(struct mtk_dp
> *mtk_dp)
> +{
> +	/* arrange audio packets into the Hblanking and Vblanking area
> */
> +	if (!mtk_dp->data->audio_pkt_in_hblank_area)
> +		return;
> +
> +	mtk_dp_update_bits(mtk_dp, MTK_DP_ENC1_P0_3374, 0,
> +			   SDP_ASP_INSERT_IN_HBLANK_DP_ENC1_P0_MASK);
> +	mtk_dp_update_bits(mtk_dp, MTK_DP_ENC1_P0_3374, 0,
> +			   SDP_DOWN_ASP_CNT_INIT_DP_ENC1_P0_MASK);
> +}

Move this to patch "[2/4] Add the audio packet flag"

> +
>  static void mtk_dp_setup_tu(struct mtk_dp *mtk_dp)
>  {
>  	u32 sram_read_start = min_t(u32,
> MTK_DP_TBC_BUF_READ_START_ADDR,
> @@ -1373,6 +1385,7 @@ static void mtk_dp_setup_tu(struct mtk_dp
> *mtk_dp)
>  				    MTK_DP_PIX_PER_ADDR);
>  	mtk_dp_set_sram_read_start(mtk_dp, sram_read_start);
>  	mtk_dp_setup_encoder(mtk_dp);
> +	mtk_dp_audio_sample_arrange_disable(mtk_dp);

Ditto.

Regards,
CK

>  	mtk_dp_sdp_set_down_cnt_init_in_hblank(mtk_dp);
>  	mtk_dp_sdp_set_down_cnt_init(mtk_dp, sram_read_start);
>  }