Re: [PATCH v2 10/27] drm/msm/dpu: pass dpu_format to _dpu_hw_sspp_setup_scaler3()

[Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>]

On 12/29/2022 11:18 AM, Dmitry Baryshkov wrote:
> There is no need to pass full dpu_hw_pipe_cfg instance to
> _dpu_hw_sspp_setup_scaler3, pass just struct dpu_format pointer.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c | 9 ++++-----
>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h | 7 +++----
>   drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c   | 4 ++--
>   3 files changed, 9 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
> index f7f81ab08fa2..176cd6dc9a69 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
> @@ -415,19 +415,18 @@ static void dpu_hw_sspp_setup_pe_config(struct dpu_hw_sspp *ctx,
>   }
>   
>   static void _dpu_hw_sspp_setup_scaler3(struct dpu_hw_sspp *ctx,
> -		struct dpu_hw_pipe_cfg *sspp,
> -		void *scaler_cfg)
> +		struct dpu_hw_scaler3_cfg *scaler3_cfg,
> +		const struct dpu_format *format)
>   {
>   	u32 idx;
> -	struct dpu_hw_scaler3_cfg *scaler3_cfg = scaler_cfg;
>   
> -	if (_sspp_subblk_offset(ctx, DPU_SSPP_SCALER_QSEED3, &idx) || !sspp
> +	if (_sspp_subblk_offset(ctx, DPU_SSPP_SCALER_QSEED3, &idx)
>   		|| !scaler3_cfg)

Do we need to check for !format ?

>   		return;
>   
>   	dpu_hw_setup_scaler3(&ctx->hw, scaler3_cfg, idx,
>   			ctx->cap->sblk->scaler_blk.version,
> -			sspp->layout.format);
> +			format);
>   }
>   
>   static u32 _dpu_hw_sspp_get_scaler3_ver(struct dpu_hw_sspp *ctx)
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> index f5aae563741a..c713343378aa 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
> @@ -317,13 +317,12 @@ struct dpu_hw_sspp_ops {
>   
>   	/**
>   	 * setup_scaler - setup scaler
> -	 * @ctx: Pointer to pipe context
> -	 * @pipe_cfg: Pointer to pipe configuration
>   	 * @scaler_cfg: Pointer to scaler configuration

This doc needs to be fixed from scaler_cfg to scaler3_cfg

> +	 * @format: pixel format parameters
>   	 */
>   	void (*setup_scaler)(struct dpu_hw_sspp *ctx,
> -		struct dpu_hw_pipe_cfg *pipe_cfg,
> -		void *scaler_cfg);
> +		struct dpu_hw_scaler3_cfg *scaler3_cfg,
> +		const struct dpu_format *format);
>   
>   	/**
>   	 * get_scaler_ver - get scaler h/w version
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index 172a2c012917..cbff4dea8662 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -677,8 +677,8 @@ static void _dpu_plane_setup_scaler(struct dpu_sw_pipe *pipe,
>   	if (pipe_hw->ops.setup_scaler &&
>   			pipe->multirect_index != DPU_SSPP_RECT_1)
>   		pipe_hw->ops.setup_scaler(pipe_hw,
> -				pipe_cfg,
> -				&scaler3_cfg);
> +				&scaler3_cfg,
> +				fmt);
>   }
>   
>   /**