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[PATCH 3/3] drm/rockchip: vop: Split rk3288-vop into big and lit

Jonas Karlman posted 3 patches 2 months, 1 week ago
[PATCH 3/3] drm/rockchip: vop: Split rk3288-vop into big and lit
Posted by Jonas Karlman 2 months, 1 week ago 
The Rockchip RK3288 SoC contain two different Visual Output Processor
(VOP) blocks, VOP_BIG and VOP_LIT. The VOP blocks support different max
output resolution, 3840x2160 and 2560x1600.

Add support for the compatible used to differentiate between VOP_BIG and
VOP_LIT, support for the old compatible is kept for compatibility with
older device tree.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
 drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 27 +++++++++++++++------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index e2c6ba26f437..978db93cda33 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -762,7 +762,7 @@ static const struct vop_intr rk3288_vop_intr = {
 	.clear = VOP_REG(RK3288_INTR_CTRL0, 0xf, 8),
 };
 
-static const struct vop_data rk3288_vop = {
+static const struct vop_data rk3288_vop_big = {
 	.version = VOP_VERSION(3, 1),
 	.feature = VOP_FEATURE_OUTPUT_RGB10,
 	.intr = &rk3288_vop_intr,
@@ -772,14 +772,22 @@ static const struct vop_data rk3288_vop = {
 	.win = rk3288_vop_win_data,
 	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
 	.lut_size = 1024,
-	/*
-	 * This is the maximum resolution for the VOPB, the VOPL can only do
-	 * 2560x1600, but we can't distinguish them as they have the same
-	 * compatible.
-	 */
 	.max_output = { 3840, 2160 },
 };
 
+static const struct vop_data rk3288_vop_lit = {
+	.version = VOP_VERSION(3, 1),
+	.feature = VOP_FEATURE_OUTPUT_RGB10,
+	.intr = &rk3288_vop_intr,
+	.common = &rk3288_common,
+	.modeset = &rk3288_modeset,
+	.output = &rk3288_output,
+	.win = rk3288_vop_win_data,
+	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
+	.lut_size = 1024,
+	.max_output = { 2560, 1600 },
+};
+
 static const int rk3368_vop_intrs[] = {
 	FS_INTR,
 	0, 0,
@@ -1245,8 +1253,13 @@ static const struct of_device_id vop_driver_dt_match[] = {
 	  .data = &rk3066_vop },
 	{ .compatible = "rockchip,rk3188-vop",
 	  .data = &rk3188_vop },
+	{ .compatible = "rockchip,rk3288-vop-big",
+	  .data = &rk3288_vop_big },
+	{ .compatible = "rockchip,rk3288-vop-lit",
+	  .data = &rk3288_vop_lit },
+	/* rockchip,rk3288-vop kept for backward compatibility */
 	{ .compatible = "rockchip,rk3288-vop",
-	  .data = &rk3288_vop },
+	  .data = &rk3288_vop_big },
 	{ .compatible = "rockchip,rk3368-vop",
 	  .data = &rk3368_vop },
 	{ .compatible = "rockchip,rk3366-vop",
-- 
2.46.1
Re: [PATCH 3/3] drm/rockchip: vop: Split rk3288-vop into big and lit
Posted by Krzysztof Kozlowski 2 months, 1 week ago 
On 22/09/2024 00:20, Jonas Karlman wrote:
> The Rockchip RK3288 SoC contain two different Visual Output Processor
> (VOP) blocks, VOP_BIG and VOP_LIT. The VOP blocks support different max
> output resolution, 3840x2160 and 2560x1600.
> 
> Add support for the compatible used to differentiate between VOP_BIG and
> VOP_LIT, support for the old compatible is kept for compatibility with
> older device tree.
> 
> Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
> ---
>  drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 27 +++++++++++++++------
>  1 file changed, 20 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> index e2c6ba26f437..978db93cda33 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> @@ -762,7 +762,7 @@ static const struct vop_intr rk3288_vop_intr = {
>  	.clear = VOP_REG(RK3288_INTR_CTRL0, 0xf, 8),
>  };
>  
> -static const struct vop_data rk3288_vop = {
> +static const struct vop_data rk3288_vop_big = {
>  	.version = VOP_VERSION(3, 1),
>  	.feature = VOP_FEATURE_OUTPUT_RGB10,
>  	.intr = &rk3288_vop_intr,
> @@ -772,14 +772,22 @@ static const struct vop_data rk3288_vop = {
>  	.win = rk3288_vop_win_data,
>  	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
>  	.lut_size = 1024,
> -	/*
> -	 * This is the maximum resolution for the VOPB, the VOPL can only do
> -	 * 2560x1600, but we can't distinguish them as they have the same
> -	 * compatible.
> -	 */
>  	.max_output = { 3840, 2160 },
>  };
>  
> +static const struct vop_data rk3288_vop_lit = {
> +	.version = VOP_VERSION(3, 1),
> +	.feature = VOP_FEATURE_OUTPUT_RGB10,
> +	.intr = &rk3288_vop_intr,
> +	.common = &rk3288_common,
> +	.modeset = &rk3288_modeset,
> +	.output = &rk3288_output,
> +	.win = rk3288_vop_win_data,
> +	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
> +	.lut_size = 1024,
> +	.max_output = { 2560, 1600 },
> +};
> +
>  static const int rk3368_vop_intrs[] = {
>  	FS_INTR,
>  	0, 0,
> @@ -1245,8 +1253,13 @@ static const struct of_device_id vop_driver_dt_match[] = {
>  	  .data = &rk3066_vop },
>  	{ .compatible = "rockchip,rk3188-vop",
>  	  .data = &rk3188_vop },
> +	{ .compatible = "rockchip,rk3288-vop-big",
> +	  .data = &rk3288_vop_big },

Hm... that's not really needed. Instead of having three compatibles, you
could keep "rk3288-vop" as big and then my comment on bindings patch
could be ignored (you keep the compatible).



Best regards,
Krzysztof
Re: [PATCH 3/3] drm/rockchip: vop: Split rk3288-vop into big and lit
Posted by Jonas Karlman 2 months, 1 week ago 
Hi Krzysztof,

On 2024-09-22 10:15, Krzysztof Kozlowski wrote:
> On 22/09/2024 00:20, Jonas Karlman wrote:
>> The Rockchip RK3288 SoC contain two different Visual Output Processor
>> (VOP) blocks, VOP_BIG and VOP_LIT. The VOP blocks support different max
>> output resolution, 3840x2160 and 2560x1600.
>>
>> Add support for the compatible used to differentiate between VOP_BIG and
>> VOP_LIT, support for the old compatible is kept for compatibility with
>> older device tree.
>>
>> Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
>> ---
>>  drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 27 +++++++++++++++------
>>  1 file changed, 20 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
>> index e2c6ba26f437..978db93cda33 100644
>> --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
>> +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
>> @@ -762,7 +762,7 @@ static const struct vop_intr rk3288_vop_intr = {
>>  	.clear = VOP_REG(RK3288_INTR_CTRL0, 0xf, 8),
>>  };
>>  
>> -static const struct vop_data rk3288_vop = {
>> +static const struct vop_data rk3288_vop_big = {
>>  	.version = VOP_VERSION(3, 1),
>>  	.feature = VOP_FEATURE_OUTPUT_RGB10,
>>  	.intr = &rk3288_vop_intr,
>> @@ -772,14 +772,22 @@ static const struct vop_data rk3288_vop = {
>>  	.win = rk3288_vop_win_data,
>>  	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
>>  	.lut_size = 1024,
>> -	/*
>> -	 * This is the maximum resolution for the VOPB, the VOPL can only do
>> -	 * 2560x1600, but we can't distinguish them as they have the same
>> -	 * compatible.
>> -	 */
>>  	.max_output = { 3840, 2160 },
>>  };
>>  
>> +static const struct vop_data rk3288_vop_lit = {
>> +	.version = VOP_VERSION(3, 1),
>> +	.feature = VOP_FEATURE_OUTPUT_RGB10,
>> +	.intr = &rk3288_vop_intr,
>> +	.common = &rk3288_common,
>> +	.modeset = &rk3288_modeset,
>> +	.output = &rk3288_output,
>> +	.win = rk3288_vop_win_data,
>> +	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
>> +	.lut_size = 1024,
>> +	.max_output = { 2560, 1600 },
>> +};
>> +
>>  static const int rk3368_vop_intrs[] = {
>>  	FS_INTR,
>>  	0, 0,
>> @@ -1245,8 +1253,13 @@ static const struct of_device_id vop_driver_dt_match[] = {
>>  	  .data = &rk3066_vop },
>>  	{ .compatible = "rockchip,rk3188-vop",
>>  	  .data = &rk3188_vop },
>> +	{ .compatible = "rockchip,rk3288-vop-big",
>> +	  .data = &rk3288_vop_big },
> 
> Hm... that's not really needed. Instead of having three compatibles, you
> could keep "rk3288-vop" as big and then my comment on bindings patch
> could be ignored (you keep the compatible).

Thanks, I guess that just adding a new compatible for vop-lit should be
enough.

VOP_BIG: rockchip,rk3288-vop
VOP_LIT: rockchip,rk3288-vop-lit, rockchip,rk3288-vop

That should ensure backward/forward compatibility with any mix of
old/new boot-firmware, DTs and kernels.

Will change to use that in v2.

Regards,
Jonas

> 
> 
> 
> Best regards,
> Krzysztof
>
Re: [PATCH 3/3] drm/rockchip: vop: Split rk3288-vop into big and lit
Posted by Krzysztof Kozlowski 2 months ago 
On 23/09/2024 11:01, Jonas Karlman wrote:
>>>  	0, 0,
>>> @@ -1245,8 +1253,13 @@ static const struct of_device_id vop_driver_dt_match[] = {
>>>  	  .data = &rk3066_vop },
>>>  	{ .compatible = "rockchip,rk3188-vop",
>>>  	  .data = &rk3188_vop },
>>> +	{ .compatible = "rockchip,rk3288-vop-big",
>>> +	  .data = &rk3288_vop_big },
>>
>> Hm... that's not really needed. Instead of having three compatibles, you
>> could keep "rk3288-vop" as big and then my comment on bindings patch
>> could be ignored (you keep the compatible).
> 
> Thanks, I guess that just adding a new compatible for vop-lit should be
> enough.
> 
> VOP_BIG: rockchip,rk3288-vop
> VOP_LIT: rockchip,rk3288-vop-lit, rockchip,rk3288-vop
> 
> That should ensure backward/forward compatibility with any mix of
> old/new boot-firmware, DTs and kernels.
> 
> Will change to use that in v2.

Yes, thanks.

Best regards,
Krzysztof

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