linux-kernel - Re: [PATCH v14 04/13] drm/rockchip: vop2: Merge vop2_cluster/esmart

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Message-ID: <8686639.gsGJI6kyIV@diego>
Date: Fri, 14 Feb 2025 23:24:17 +0100
From: Heiko Stübner <heiko@...ech.de>
To: Andy Yan <andyshrk@....com>
Cc: hjc@...k-chips.com, krzk+dt@...nel.org, devicetree@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
 derek.foreman@...labora.com, detlev.casanova@...labora.com,
 daniel@...ishbar.org, robh@...nel.org, sebastian.reichel@...labora.com,
 Andy Yan <andy.yan@...k-chips.com>
Subject:
 Re: [PATCH v14 04/13] drm/rockchip: vop2: Merge vop2_cluster/esmart_init
 function

Am Mittwoch, 12. Februar 2025, 10:34:59 MEZ schrieb Andy Yan:
> From: Andy Yan <andy.yan@...k-chips.com>
> 
> Now these two function share the same logic, the can
> be merged as one.
> 
> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
> ---
> 
> (no changes since v1)
> 
>  drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 42 +++++---------------
>  1 file changed, 11 insertions(+), 31 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> index a0d961cb5d21..844df4001159 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> @@ -2424,18 +2424,18 @@ static int vop2_find_rgb_encoder(struct vop2 *vop2)
>  	return -ENOENT;
>  }
>  
> -static int vop2_cluster_init(struct vop2_win *win)
> +static int vop2_regmap_init(struct vop2_win *win, const struct reg_field *regs,
> +			    int nr_regs)
>  {
>  	struct vop2 *vop2 = win->vop2;
>  	int i;
>  
> -	for (i = 0; i < vop2->data->nr_cluster_regs; i++) {
> +	for (i = 0; i < nr_regs; i++) {
>  		const struct reg_field field = {
> -			.reg = (vop2->data->cluster_reg[i].reg != 0xffffffff) ?
> -				vop2->data->cluster_reg[i].reg + win->offset :
> -				vop2->data->cluster_reg[i].reg,
> -			.lsb = vop2->data->cluster_reg[i].lsb,
> -			.msb = vop2->data->cluster_reg[i].msb
> +			.reg = (regs[i].reg != 0xffffffff) ?
> +				regs[i].reg + win->offset : regs[i].reg,
> +			.lsb = regs[i].lsb,
> +			.msb = regs[i].msb
>  		};
>  
>  		win->reg[i] = devm_regmap_field_alloc(vop2->dev, vop2->map, field);
> @@ -2446,28 +2446,6 @@ static int vop2_cluster_init(struct vop2_win *win)
>  	return 0;
>  };
>  
> -static int vop2_esmart_init(struct vop2_win *win)
> -{
> -	struct vop2 *vop2 = win->vop2;
> -	int i;
> -
> -	for (i = 0; i < vop2->data->nr_smart_regs; i++) {
> -		const struct reg_field field = {
> -			.reg = (vop2->data->smart_reg[i].reg != 0xffffffff) ?
> -				vop2->data->smart_reg[i].reg + win->offset :
> -				vop2->data->smart_reg[i].reg,
> -			.lsb = vop2->data->smart_reg[i].lsb,
> -			.msb = vop2->data->smart_reg[i].msb
> -		};
> -
> -		win->reg[i] = devm_regmap_field_alloc(vop2->dev, vop2->map, field);
> -		if (IS_ERR(win->reg[i]))
> -			return PTR_ERR(win->reg[i]);
> -	}
> -
> -	return 0;
> -}
> -
>  static int vop2_win_init(struct vop2 *vop2)
>  {
>  	const struct vop2_data *vop2_data = vop2->data;
> @@ -2484,9 +2462,11 @@ static int vop2_win_init(struct vop2 *vop2)
>  		win->win_id = i;
>  		win->vop2 = vop2;
>  		if (vop2_cluster_window(win))
> -			ret = vop2_cluster_init(win);
> +			ret = vop2_regmap_init(win, vop2->data->cluster_reg,
> +					       vop2->data->nr_cluster_regs);
>  		else
> -			ret = vop2_esmart_init(win);
> +			ret = vop2_regmap_init(win, vop2->data->smart_reg,
> +					       vop2->data->nr_cluster_regs);

						^^ nr_smart_regs
I think