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

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Message-ID: <44c247c5.1dcc.1950887c866.Coremail.andyshrk@163.com>
Date: Sat, 15 Feb 2025 15:34:31 +0800 (CST)
From: "Andy Yan" <andyshrk@....com>
To: Heiko Stübner <heiko@...ech.de>
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:Re: [PATCH v14 04/13] drm/rockchip: vop2: Merge
 vop2_cluster/esmart_init function



Hi Heiko,

At 2025-02-15 06:24:17, "Heiko Stübner" <heiko@...ech.de> wrote:
>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

Yes, thanks for catching it,  will be fixed in V15.

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