Re: [PATCH v4 04/19] drm/msm/dpu: drop dpu_mdss_cfg::mdp_count field

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On 2023-06-20 00:25:04, Dmitry Baryshkov wrote:
> There is always a single MDP TOP block. Drop the mdp_count field and
> stop declaring dpu_mdp_cfg instances as arrays.
> 
> Tested-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
<snip>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h
> index a1a9e44bed36..c89746c6f500 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h
> @@ -146,13 +146,11 @@ struct dpu_hw_mdp {
>  
>  /**
>   * dpu_hw_mdptop_init - initializes the top driver for the passed idx

No index is passed anymore, only a pointer directly to const catalog
data.  After fixing that:

Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>

> - * @idx:  Interface index for which driver object is required
> + * @cfg:  MDP TOP configuration from catalog
>   * @addr: Mapped register io address of MDP
> - * @m:    Pointer to mdss catalog data
>   */
> -struct dpu_hw_mdp *dpu_hw_mdptop_init(enum dpu_mdp idx,
> -		void __iomem *addr,
> -		const struct dpu_mdss_cfg *m);
> +struct dpu_hw_mdp *dpu_hw_mdptop_init(const struct dpu_mdp_cfg *cfg,
> +				      void __iomem *addr);
>  
>  void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp);
>  
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index aa8499de1b9f..882f20fc51cc 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -1092,8 +1092,8 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
>  
>  	dpu_kms->rm_init = true;
>  
> -	dpu_kms->hw_mdp = dpu_hw_mdptop_init(MDP_TOP, dpu_kms->mmio,
> -					     dpu_kms->catalog);
> +	dpu_kms->hw_mdp = dpu_hw_mdptop_init(dpu_kms->catalog->mdp,
> +					     dpu_kms->mmio);
>  	if (IS_ERR(dpu_kms->hw_mdp)) {
>  		rc = PTR_ERR(dpu_kms->hw_mdp);
>  		DPU_ERROR("failed to get hw_mdp: %d\n", rc);
> -- 
> 2.39.2
> 



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