linux-kernel - Re: [PATCH v3 3/8] drm/msm/dpu: pass master interface to CTL configuration

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Message-ID: <b744353c-ad03-4500-9659-cf74ff288a01@quicinc.com>
Date: Tue, 29 Apr 2025 16:48:10 -0700
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Dmitry Baryshkov <lumag@...nel.org>, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie
	<airlied@...il.com>, Simona Vetter <simona@...ll.ch>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        "Neil
 Armstrong" <neil.armstrong@...aro.org>
Subject: Re: [PATCH v3 3/8] drm/msm/dpu: pass master interface to CTL
 configuration



On 3/6/2025 10:24 PM, Dmitry Baryshkov wrote:
> From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> 
> Active controls require setup of the master interface. Pass the selected
> interface to CTL configuration.
> 
> Reviewed-by: Marijn Suijten <marijn.suijten@...ainline.org>
> Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8550-QRD
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Reviewed-by: Jessica Zhang <quic_jesszhan@...cinc.com>

> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 2 ++
>   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 2 ++
>   2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
> index da9994a79ca293ec0265680c438835742102db2a..a0ba55ab3c894c200225fe48ec6214ae4135d059 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
> @@ -60,6 +60,8 @@ static void _dpu_encoder_phys_cmd_update_intf_cfg(
>   		return;
>   
>   	intf_cfg.intf = phys_enc->hw_intf->idx;
> +	if (phys_enc->split_role == ENC_ROLE_MASTER)
> +		intf_cfg.intf_master = phys_enc->hw_intf->idx;
>   	intf_cfg.intf_mode_sel = DPU_CTL_MODE_SEL_CMD;
>   	intf_cfg.stream_sel = cmd_enc->stream_sel;
>   	intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc);
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
> index abd6600046cb3a91bf88ca240fd9b9c306b0ea2e..232055473ba55998b79dd2e8c752c129bbffbff4 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
> @@ -298,6 +298,8 @@ static void dpu_encoder_phys_vid_setup_timing_engine(
>   	if (phys_enc->hw_cdm)
>   		intf_cfg.cdm = phys_enc->hw_cdm->idx;
>   	intf_cfg.intf = phys_enc->hw_intf->idx;
> +	if (phys_enc->split_role == ENC_ROLE_MASTER)
> +		intf_cfg.intf_master = phys_enc->hw_intf->idx;
>   	intf_cfg.intf_mode_sel = DPU_CTL_MODE_SEL_VID;
>   	intf_cfg.stream_sel = 0; /* Don't care value for video mode */
>   	intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc);
>