[PATCH 1/8] drm/plane-helper: Move drm_plane_helper_atomic_check() into udl

[PATCH 1/8] drm/plane-helper: Move drm_plane_helper_atomic_check() into udl

[Thomas Zimmermann]

The udl driver is the only caller of drm_plane_helper_atomic_check().
Move the function into the driver. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/drm_plane_helper.c | 32 ------------------------------
 drivers/gpu/drm/udl/udl_modeset.c  | 19 ++++++++++++++++--
 include/drm/drm_plane_helper.h     |  2 --
 3 files changed, 17 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
index 5e95089676ff8..7982be4b0306d 100644
--- a/drivers/gpu/drm/drm_plane_helper.c
+++ b/drivers/gpu/drm/drm_plane_helper.c
@@ -279,35 +279,3 @@ void drm_plane_helper_destroy(struct drm_plane *plane)
 	kfree(plane);
 }
 EXPORT_SYMBOL(drm_plane_helper_destroy);
-
-/**
- * drm_plane_helper_atomic_check() - Helper to check plane atomic-state
- * @plane: plane to check
- * @state: atomic state object
- *
- * Provides a default plane-state check handler for planes whose atomic-state
- * scale and positioning are not expected to change since the plane is always
- * a fullscreen scanout buffer.
- *
- * This is often the case for the primary plane of simple framebuffers. See
- * also drm_crtc_helper_atomic_check() for the respective CRTC-state check
- * helper function.
- *
- * RETURNS:
- * Zero on success, or an errno code otherwise.
- */
-int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state)
-{
-	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
-	struct drm_crtc *new_crtc = new_plane_state->crtc;
-	struct drm_crtc_state *new_crtc_state = NULL;
-
-	if (new_crtc)
-		new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc);
-
-	return drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state,
-						   DRM_PLANE_NO_SCALING,
-						   DRM_PLANE_NO_SCALING,
-						   false, false);
-}
-EXPORT_SYMBOL(drm_plane_helper_atomic_check);
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 40876bcdd79a4..7702359c90c22 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -21,7 +21,6 @@
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_modeset_helper_vtables.h>
-#include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_vblank.h>
 
@@ -261,6 +260,22 @@ static const uint64_t udl_primary_plane_fmtmods[] = {
 	DRM_FORMAT_MOD_INVALID
 };
 
+static int udl_primary_plane_helper_atomic_check(struct drm_plane *plane,
+						 struct drm_atomic_state *state)
+{
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+	struct drm_crtc *new_crtc = new_plane_state->crtc;
+	struct drm_crtc_state *new_crtc_state = NULL;
+
+	if (new_crtc)
+		new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc);
+
+	return drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state,
+						   DRM_PLANE_NO_SCALING,
+						   DRM_PLANE_NO_SCALING,
+						   false, false);
+}
+
 static void udl_primary_plane_helper_atomic_update(struct drm_plane *plane,
 						   struct drm_atomic_state *state)
 {
@@ -296,7 +311,7 @@ static void udl_primary_plane_helper_atomic_update(struct drm_plane *plane,
 
 static const struct drm_plane_helper_funcs udl_primary_plane_helper_funcs = {
 	DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
-	.atomic_check = drm_plane_helper_atomic_check,
+	.atomic_check = udl_primary_plane_helper_atomic_check,
 	.atomic_update = udl_primary_plane_helper_atomic_update,
 };
 
diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
index 3a574e8cd22f4..75f9c4830564a 100644
--- a/include/drm/drm_plane_helper.h
+++ b/include/drm/drm_plane_helper.h
@@ -26,7 +26,6 @@
 
 #include <linux/types.h>
 
-struct drm_atomic_state;
 struct drm_crtc;
 struct drm_framebuffer;
 struct drm_modeset_acquire_ctx;
@@ -42,7 +41,6 @@ int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *cr
 int drm_plane_helper_disable_primary(struct drm_plane *plane,
 				     struct drm_modeset_acquire_ctx *ctx);
 void drm_plane_helper_destroy(struct drm_plane *plane);
-int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
 
 /**
  * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
-- 
2.43.0


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Re: [1/8] drm/plane-helper: Move drm_plane_helper_atomic_check() into udl

[Sui Jingfeng]

Hi,


On 2023/11/28 18:45, Thomas Zimmermann wrote:
> The udl driver is the only caller of drm_plane_helper_atomic_check().
> Move the function into the driver. No functional changes.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
>   drivers/gpu/drm/drm_plane_helper.c | 32 ------------------------------
>   drivers/gpu/drm/udl/udl_modeset.c  | 19 ++++++++++++++++--
>   include/drm/drm_plane_helper.h     |  2 --
>   3 files changed, 17 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
> index 5e95089676ff8..7982be4b0306d 100644
> --- a/drivers/gpu/drm/drm_plane_helper.c
> +++ b/drivers/gpu/drm/drm_plane_helper.c
> @@ -279,35 +279,3 @@ void drm_plane_helper_destroy(struct drm_plane *plane)
>   	kfree(plane);
>   }
>   EXPORT_SYMBOL(drm_plane_helper_destroy);
> -
> -/**
> - * drm_plane_helper_atomic_check() - Helper to check plane atomic-state
> - * @plane: plane to check
> - * @state: atomic state object
> - *
> - * Provides a default plane-state check handler for planes whose atomic-state
> - * scale and positioning are not expected to change since the plane is always
> - * a fullscreen scanout buffer.
> - *
> - * This is often the case for the primary plane of simple framebuffers. See
> - * also drm_crtc_helper_atomic_check() for the respective CRTC-state check
> - * helper function.
> - *
> - * RETURNS:
> - * Zero on success, or an errno code otherwise.
> - */
> -int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state)
> -{
> -	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
> -	struct drm_crtc *new_crtc = new_plane_state->crtc;
> -	struct drm_crtc_state *new_crtc_state = NULL;
> -
> -	if (new_crtc)
> -		new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc);
> -
> -	return drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state,
> -						   DRM_PLANE_NO_SCALING,
> -						   DRM_PLANE_NO_SCALING,
> -						   false, false);
> -}
> -EXPORT_SYMBOL(drm_plane_helper_atomic_check);


Since this function is removed, does the comments of the drm_crtc_helper_atomic_check()
function (in the drm_crtc_helper.c) need to update as well? I'm ask because I see the
comments of the drm_crtc_helper_atomic_check() still referencing this function.


> diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
> index 40876bcdd79a4..7702359c90c22 100644
> --- a/drivers/gpu/drm/udl/udl_modeset.c
> +++ b/drivers/gpu/drm/udl/udl_modeset.c
> @@ -21,7 +21,6 @@
>   #include <drm/drm_gem_framebuffer_helper.h>
>   #include <drm/drm_gem_shmem_helper.h>
>   #include <drm/drm_modeset_helper_vtables.h>
> -#include <drm/drm_plane_helper.h>
>   #include <drm/drm_probe_helper.h>
>   #include <drm/drm_vblank.h>
>   
> @@ -261,6 +260,22 @@ static const uint64_t udl_primary_plane_fmtmods[] = {
>   	DRM_FORMAT_MOD_INVALID
>   };
>   
> +static int udl_primary_plane_helper_atomic_check(struct drm_plane *plane,
> +						 struct drm_atomic_state *state)
> +{
> +	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
> +	struct drm_crtc *new_crtc = new_plane_state->crtc;
> +	struct drm_crtc_state *new_crtc_state = NULL;
> +
> +	if (new_crtc)
> +		new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc);
> +
> +	return drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state,
> +						   DRM_PLANE_NO_SCALING,
> +						   DRM_PLANE_NO_SCALING,
> +						   false, false);
> +}
> +
>   static void udl_primary_plane_helper_atomic_update(struct drm_plane *plane,
>   						   struct drm_atomic_state *state)
>   {
> @@ -296,7 +311,7 @@ static void udl_primary_plane_helper_atomic_update(struct drm_plane *plane,
>   
>   static const struct drm_plane_helper_funcs udl_primary_plane_helper_funcs = {
>   	DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
> -	.atomic_check = drm_plane_helper_atomic_check,
> +	.atomic_check = udl_primary_plane_helper_atomic_check,
>   	.atomic_update = udl_primary_plane_helper_atomic_update,
>   };
>   
> diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
> index 3a574e8cd22f4..75f9c4830564a 100644
> --- a/include/drm/drm_plane_helper.h
> +++ b/include/drm/drm_plane_helper.h
> @@ -26,7 +26,6 @@
>   
>   #include <linux/types.h>
>   
> -struct drm_atomic_state;
>   struct drm_crtc;
>   struct drm_framebuffer;
>   struct drm_modeset_acquire_ctx;
> @@ -42,7 +41,6 @@ int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *cr
>   int drm_plane_helper_disable_primary(struct drm_plane *plane,
>   				     struct drm_modeset_acquire_ctx *ctx);
>   void drm_plane_helper_destroy(struct drm_plane *plane);
> -int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
>   
>   /**
>    * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers

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Re: [1/8] drm/plane-helper: Move drm_plane_helper_atomic_check() into udl

[Thomas Zimmermann]

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Hi

Am 01.12.23 um 03:36 schrieb Sui Jingfeng:
> Hi,
> 
> 
> On 2023/11/28 18:45, Thomas Zimmermann wrote:
>> The udl driver is the only caller of drm_plane_helper_atomic_check().
>> Move the function into the driver. No functional changes.
>>
>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>> ---
>>   drivers/gpu/drm/drm_plane_helper.c | 32 ------------------------------
>>   drivers/gpu/drm/udl/udl_modeset.c  | 19 ++++++++++++++++--
>>   include/drm/drm_plane_helper.h     |  2 --
>>   3 files changed, 17 insertions(+), 36 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_plane_helper.c 
>> b/drivers/gpu/drm/drm_plane_helper.c
>> index 5e95089676ff8..7982be4b0306d 100644
>> --- a/drivers/gpu/drm/drm_plane_helper.c
>> +++ b/drivers/gpu/drm/drm_plane_helper.c
>> @@ -279,35 +279,3 @@ void drm_plane_helper_destroy(struct drm_plane 
>> *plane)
>>       kfree(plane);
>>   }
>>   EXPORT_SYMBOL(drm_plane_helper_destroy);
>> -
>> -/**
>> - * drm_plane_helper_atomic_check() - Helper to check plane atomic-state
>> - * @plane: plane to check
>> - * @state: atomic state object
>> - *
>> - * Provides a default plane-state check handler for planes whose 
>> atomic-state
>> - * scale and positioning are not expected to change since the plane 
>> is always
>> - * a fullscreen scanout buffer.
>> - *
>> - * This is often the case for the primary plane of simple 
>> framebuffers. See
>> - * also drm_crtc_helper_atomic_check() for the respective CRTC-state 
>> check
>> - * helper function.
>> - *
>> - * RETURNS:
>> - * Zero on success, or an errno code otherwise.
>> - */
>> -int drm_plane_helper_atomic_check(struct drm_plane *plane, struct 
>> drm_atomic_state *state)
>> -{
>> -    struct drm_plane_state *new_plane_state = 
>> drm_atomic_get_new_plane_state(state, plane);
>> -    struct drm_crtc *new_crtc = new_plane_state->crtc;
>> -    struct drm_crtc_state *new_crtc_state = NULL;
>> -
>> -    if (new_crtc)
>> -        new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc);
>> -
>> -    return drm_atomic_helper_check_plane_state(new_plane_state, 
>> new_crtc_state,
>> -                           DRM_PLANE_NO_SCALING,
>> -                           DRM_PLANE_NO_SCALING,
>> -                           false, false);
>> -}
>> -EXPORT_SYMBOL(drm_plane_helper_atomic_check);
> 
> 
> Since this function is removed, does the comments of the 
> drm_crtc_helper_atomic_check()
> function (in the drm_crtc_helper.c) need to update as well? I'm ask 
> because I see the
> comments of the drm_crtc_helper_atomic_check() still referencing this 
> function.

Good point. I'll update that comment. Thanks for reviewing.

Best regards
Thomas

> 
> 
>> diff --git a/drivers/gpu/drm/udl/udl_modeset.c 
>> b/drivers/gpu/drm/udl/udl_modeset.c
>> index 40876bcdd79a4..7702359c90c22 100644
>> --- a/drivers/gpu/drm/udl/udl_modeset.c
>> +++ b/drivers/gpu/drm/udl/udl_modeset.c
>> @@ -21,7 +21,6 @@
>>   #include <drm/drm_gem_framebuffer_helper.h>
>>   #include <drm/drm_gem_shmem_helper.h>
>>   #include <drm/drm_modeset_helper_vtables.h>
>> -#include <drm/drm_plane_helper.h>
>>   #include <drm/drm_probe_helper.h>
>>   #include <drm/drm_vblank.h>
>> @@ -261,6 +260,22 @@ static const uint64_t udl_primary_plane_fmtmods[] 
>> = {
>>       DRM_FORMAT_MOD_INVALID
>>   };
>> +static int udl_primary_plane_helper_atomic_check(struct drm_plane 
>> *plane,
>> +                         struct drm_atomic_state *state)
>> +{
>> +    struct drm_plane_state *new_plane_state = 
>> drm_atomic_get_new_plane_state(state, plane);
>> +    struct drm_crtc *new_crtc = new_plane_state->crtc;
>> +    struct drm_crtc_state *new_crtc_state = NULL;
>> +
>> +    if (new_crtc)
>> +        new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc);
>> +
>> +    return drm_atomic_helper_check_plane_state(new_plane_state, 
>> new_crtc_state,
>> +                           DRM_PLANE_NO_SCALING,
>> +                           DRM_PLANE_NO_SCALING,
>> +                           false, false);
>> +}
>> +
>>   static void udl_primary_plane_helper_atomic_update(struct drm_plane 
>> *plane,
>>                              struct drm_atomic_state *state)
>>   {
>> @@ -296,7 +311,7 @@ static void 
>> udl_primary_plane_helper_atomic_update(struct drm_plane *plane,
>>   static const struct drm_plane_helper_funcs 
>> udl_primary_plane_helper_funcs = {
>>       DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
>> -    .atomic_check = drm_plane_helper_atomic_check,
>> +    .atomic_check = udl_primary_plane_helper_atomic_check,
>>       .atomic_update = udl_primary_plane_helper_atomic_update,
>>   };
>> diff --git a/include/drm/drm_plane_helper.h 
>> b/include/drm/drm_plane_helper.h
>> index 3a574e8cd22f4..75f9c4830564a 100644
>> --- a/include/drm/drm_plane_helper.h
>> +++ b/include/drm/drm_plane_helper.h
>> @@ -26,7 +26,6 @@
>>   #include <linux/types.h>
>> -struct drm_atomic_state;
>>   struct drm_crtc;
>>   struct drm_framebuffer;
>>   struct drm_modeset_acquire_ctx;
>> @@ -42,7 +41,6 @@ int drm_plane_helper_update_primary(struct drm_plane 
>> *plane, struct drm_crtc *cr
>>   int drm_plane_helper_disable_primary(struct drm_plane *plane,
>>                        struct drm_modeset_acquire_ctx *ctx);
>>   void drm_plane_helper_destroy(struct drm_plane *plane);
>> -int drm_plane_helper_atomic_check(struct drm_plane *plane, struct 
>> drm_atomic_state *state);
>>   /**
>>    * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for 
>> non-atomic drivers

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)

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Re: [1/8] drm/plane-helper: Move drm_plane_helper_atomic_check() into udl

[Sui Jingfeng]

Hi,


On 2023/12/1 16:22, Thomas Zimmermann wrote:
> Hi
>
> Am 01.12.23 um 03:36 schrieb Sui Jingfeng:
>> Hi,
>>
>>
>> On 2023/11/28 18:45, Thomas Zimmermann wrote:
>>> The udl driver is the only caller of drm_plane_helper_atomic_check().
>>> Move the function into the driver. No functional changes.
>>>
>>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>>> ---
>>>   drivers/gpu/drm/drm_plane_helper.c | 32 
>>> ------------------------------
>>>   drivers/gpu/drm/udl/udl_modeset.c  | 19 ++++++++++++++++--
>>>   include/drm/drm_plane_helper.h     |  2 --
>>>   3 files changed, 17 insertions(+), 36 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/drm_plane_helper.c 
>>> b/drivers/gpu/drm/drm_plane_helper.c
>>> index 5e95089676ff8..7982be4b0306d 100644
>>> --- a/drivers/gpu/drm/drm_plane_helper.c
>>> +++ b/drivers/gpu/drm/drm_plane_helper.c
>>> @@ -279,35 +279,3 @@ void drm_plane_helper_destroy(struct drm_plane 
>>> *plane)
>>>       kfree(plane);
>>>   }
>>>   EXPORT_SYMBOL(drm_plane_helper_destroy);
>>> -
>>> -/**
>>> - * drm_plane_helper_atomic_check() - Helper to check plane 
>>> atomic-state
>>> - * @plane: plane to check
>>> - * @state: atomic state object
>>> - *
>>> - * Provides a default plane-state check handler for planes whose 
>>> atomic-state
>>> - * scale and positioning are not expected to change since the plane 
>>> is always
>>> - * a fullscreen scanout buffer.
>>> - *
>>> - * This is often the case for the primary plane of simple 
>>> framebuffers. See
>>> - * also drm_crtc_helper_atomic_check() for the respective 
>>> CRTC-state check
>>> - * helper function.
>>> - *
>>> - * RETURNS:
>>> - * Zero on success, or an errno code otherwise.
>>> - */
>>> -int drm_plane_helper_atomic_check(struct drm_plane *plane, struct 
>>> drm_atomic_state *state)
>>> -{
>>> -    struct drm_plane_state *new_plane_state = 
>>> drm_atomic_get_new_plane_state(state, plane);
>>> -    struct drm_crtc *new_crtc = new_plane_state->crtc;
>>> -    struct drm_crtc_state *new_crtc_state = NULL;
>>> -
>>> -    if (new_crtc)
>>> -        new_crtc_state = drm_atomic_get_new_crtc_state(state, 
>>> new_crtc);
>>> -
>>> -    return drm_atomic_helper_check_plane_state(new_plane_state, 
>>> new_crtc_state,
>>> -                           DRM_PLANE_NO_SCALING,
>>> -                           DRM_PLANE_NO_SCALING,
>>> -                           false, false);
>>> -}
>>> -EXPORT_SYMBOL(drm_plane_helper_atomic_check);
>>
>>
>> Since this function is removed, does the comments of the 
>> drm_crtc_helper_atomic_check()
>> function (in the drm_crtc_helper.c) need to update as well? I'm ask 
>> because I see the
>> comments of the drm_crtc_helper_atomic_check() still referencing this 
>> function.
>
> Good point. I'll update that comment. Thanks for reviewing.
>
OK,  with this trivial problem solved:


Acked-by: Sui Jingfeng <suijingfeng@loongson.cn>


> Best regards
> Thomas
>
>>
>>
>>> diff --git a/drivers/gpu/drm/udl/udl_modeset.c 
>>> b/drivers/gpu/drm/udl/udl_modeset.c
>>> index 40876bcdd79a4..7702359c90c22 100644
>>> --- a/drivers/gpu/drm/udl/udl_modeset.c
>>> +++ b/drivers/gpu/drm/udl/udl_modeset.c
>>> @@ -21,7 +21,6 @@
>>>   #include <drm/drm_gem_framebuffer_helper.h>
>>>   #include <drm/drm_gem_shmem_helper.h>
>>>   #include <drm/drm_modeset_helper_vtables.h>
>>> -#include <drm/drm_plane_helper.h>
>>>   #include <drm/drm_probe_helper.h>
>>>   #include <drm/drm_vblank.h>
>>> @@ -261,6 +260,22 @@ static const uint64_t 
>>> udl_primary_plane_fmtmods[] = {
>>>       DRM_FORMAT_MOD_INVALID
>>>   };
>>> +static int udl_primary_plane_helper_atomic_check(struct drm_plane 
>>> *plane,
>>> +                         struct drm_atomic_state *state)
>>> +{
>>> +    struct drm_plane_state *new_plane_state = 
>>> drm_atomic_get_new_plane_state(state, plane);
>>> +    struct drm_crtc *new_crtc = new_plane_state->crtc;
>>> +    struct drm_crtc_state *new_crtc_state = NULL;
>>> +
>>> +    if (new_crtc)
>>> +        new_crtc_state = drm_atomic_get_new_crtc_state(state, 
>>> new_crtc);
>>> +
>>> +    return drm_atomic_helper_check_plane_state(new_plane_state, 
>>> new_crtc_state,
>>> +                           DRM_PLANE_NO_SCALING,
>>> +                           DRM_PLANE_NO_SCALING,
>>> +                           false, false);
>>> +}
>>> +
>>>   static void udl_primary_plane_helper_atomic_update(struct 
>>> drm_plane *plane,
>>>                              struct drm_atomic_state *state)
>>>   {
>>> @@ -296,7 +311,7 @@ static void 
>>> udl_primary_plane_helper_atomic_update(struct drm_plane *plane,
>>>   static const struct drm_plane_helper_funcs 
>>> udl_primary_plane_helper_funcs = {
>>>       DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
>>> -    .atomic_check = drm_plane_helper_atomic_check,
>>> +    .atomic_check = udl_primary_plane_helper_atomic_check,
>>>       .atomic_update = udl_primary_plane_helper_atomic_update,
>>>   };
>>> diff --git a/include/drm/drm_plane_helper.h 
>>> b/include/drm/drm_plane_helper.h
>>> index 3a574e8cd22f4..75f9c4830564a 100644
>>> --- a/include/drm/drm_plane_helper.h
>>> +++ b/include/drm/drm_plane_helper.h
>>> @@ -26,7 +26,6 @@
>>>   #include <linux/types.h>
>>> -struct drm_atomic_state;
>>>   struct drm_crtc;
>>>   struct drm_framebuffer;
>>>   struct drm_modeset_acquire_ctx;
>>> @@ -42,7 +41,6 @@ int drm_plane_helper_update_primary(struct 
>>> drm_plane *plane, struct drm_crtc *cr
>>>   int drm_plane_helper_disable_primary(struct drm_plane *plane,
>>>                        struct drm_modeset_acquire_ctx *ctx);
>>>   void drm_plane_helper_destroy(struct drm_plane *plane);
>>> -int drm_plane_helper_atomic_check(struct drm_plane *plane, struct 
>>> drm_atomic_state *state);
>>>   /**
>>>    * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for 
>>> non-atomic drivers
>

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[PATCH 4/8] drm/shmobile: Do not include <drm/drm_plane_helper.h>

[Thomas Zimmermann]

Remove unnecessary include statements for <drm/drm_plane_helper.h>.
The file contains helpers for non-atomic code and should not be
required by most drivers. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
index 8f9a728affde8..07ad17d24294d 100644
--- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
+++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
@@ -14,7 +14,6 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_dma_helper.h>
-#include <drm/drm_plane_helper.h>
 
 #include "shmob_drm_drv.h"
 #include "shmob_drm_kms.h"
-- 
2.43.0


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Re: [PATCH 4/8] drm/shmobile: Do not include <drm/drm_plane_helper.h>

[Geert Uytterhoeven]

On Tue, Nov 28, 2023 at 11:47 AM Thomas Zimmermann <tzimmermann@suse.de> wrote:
> Remove unnecessary include statements for <drm/drm_plane_helper.h>.
> The file contains helpers for non-atomic code and should not be
> required by most drivers. No functional changes.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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[PATCH 5/8] drm/solomon: Do not include <drm/drm_plane_helper.h>

[Thomas Zimmermann]

Remove unnecessary include statements for <drm/drm_plane_helper.h>.
The file contains helpers for non-atomic code and should not be
required by most drivers. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/solomon/ssd130x.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/solomon/ssd130x.h b/drivers/gpu/drm/solomon/ssd130x.h
index acf7cedf0c1ab..075c5c3ee75ac 100644
--- a/drivers/gpu/drm/solomon/ssd130x.h
+++ b/drivers/gpu/drm/solomon/ssd130x.h
@@ -17,7 +17,6 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_encoder.h>
-#include <drm/drm_plane_helper.h>
 
 #include <linux/regmap.h>
 
-- 
2.43.0


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Re: [PATCH 5/8] drm/solomon: Do not include <drm/drm_plane_helper.h>

[Geert Uytterhoeven]

On Tue, Nov 28, 2023 at 11:47 AM Thomas Zimmermann <tzimmermann@suse.de> wrote:
> Remove unnecessary include statements for <drm/drm_plane_helper.h>.
> The file contains helpers for non-atomic code and should not be
> required by most drivers. No functional changes.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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Re: [PATCH 5/8] drm/solomon: Do not include <drm/drm_plane_helper.h>

[Javier Martinez Canillas]

Thomas Zimmermann <tzimmermann@suse.de> writes:

Hello Thomas,

> Remove unnecessary include statements for <drm/drm_plane_helper.h>.
> The file contains helpers for non-atomic code and should not be
> required by most drivers. No functional changes.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
>  drivers/gpu/drm/solomon/ssd130x.h | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/solomon/ssd130x.h b/drivers/gpu/drm/solomon/ssd130x.h
> index acf7cedf0c1ab..075c5c3ee75ac 100644
> --- a/drivers/gpu/drm/solomon/ssd130x.h
> +++ b/drivers/gpu/drm/solomon/ssd130x.h
> @@ -17,7 +17,6 @@
>  #include <drm/drm_crtc.h>
>  #include <drm/drm_drv.h>
>  #include <drm/drm_encoder.h>
> -#include <drm/drm_plane_helper.h>
>  
>  #include <linux/regmap.h>
>  
> -- 
> 2.43.0
>

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat


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[PATCH 6/8] drm/ofdrm: Do not include <drm/drm_plane_helper.h>

[Thomas Zimmermann]

Remove unnecessary include statements for <drm/drm_plane_helper.h>.
The file contains helpers for non-atomic code and should not be
required by most drivers. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/tiny/ofdrm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/tiny/ofdrm.c b/drivers/gpu/drm/tiny/ofdrm.c
index 05a72473cfc65..ab89b7fc7bf61 100644
--- a/drivers/gpu/drm/tiny/ofdrm.c
+++ b/drivers/gpu/drm/tiny/ofdrm.c
@@ -19,7 +19,6 @@
 #include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_modeset_helper_vtables.h>
-#include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_simple_kms_helper.h>
 
-- 
2.43.0


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Re: [6/8] drm/ofdrm: Do not include <drm/drm_plane_helper.h>

[Sui Jingfeng]

Hi,


On 2023/11/28 18:45, Thomas Zimmermann wrote:
> Remove unnecessary include statements for <drm/drm_plane_helper.h>.
> The file contains helpers for non-atomic code and should not be
> required by most drivers. No functional changes.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>


Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>


> ---
>   drivers/gpu/drm/tiny/ofdrm.c | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/tiny/ofdrm.c b/drivers/gpu/drm/tiny/ofdrm.c
> index 05a72473cfc65..ab89b7fc7bf61 100644
> --- a/drivers/gpu/drm/tiny/ofdrm.c
> +++ b/drivers/gpu/drm/tiny/ofdrm.c
> @@ -19,7 +19,6 @@
>   #include <drm/drm_gem_shmem_helper.h>
>   #include <drm/drm_managed.h>
>   #include <drm/drm_modeset_helper_vtables.h>
> -#include <drm/drm_plane_helper.h>
>   #include <drm/drm_probe_helper.h>
>   #include <drm/drm_simple_kms_helper.h>
>   

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[PATCH 7/8] drm/simpledrm: Do not include <drm/drm_plane_helper.h>

[Thomas Zimmermann]

Remove unnecessary include statements for <drm/drm_plane_helper.h>.
The file contains helpers for non-atomic code and should not be
required by most drivers. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/tiny/simpledrm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c
index 34bbbd7b53dd9..7ce1c46176750 100644
--- a/drivers/gpu/drm/tiny/simpledrm.c
+++ b/drivers/gpu/drm/tiny/simpledrm.c
@@ -25,7 +25,6 @@
 #include <drm/drm_gem_shmem_helper.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_modeset_helper_vtables.h>
-#include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 
 #define DRIVER_NAME	"simpledrm"
-- 
2.43.0


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Re: [7/8] drm/simpledrm: Do not include <drm/drm_plane_helper.h>

[Sui Jingfeng]

Hi,


On 2023/11/28 18:45, Thomas Zimmermann wrote:
> Remove unnecessary include statements for <drm/drm_plane_helper.h>.
> The file contains helpers for non-atomic code and should not be
> required by most drivers. No functional changes.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>


> ---
>   drivers/gpu/drm/tiny/simpledrm.c | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c
> index 34bbbd7b53dd9..7ce1c46176750 100644
> --- a/drivers/gpu/drm/tiny/simpledrm.c
> +++ b/drivers/gpu/drm/tiny/simpledrm.c
> @@ -25,7 +25,6 @@
>   #include <drm/drm_gem_shmem_helper.h>
>   #include <drm/drm_managed.h>
>   #include <drm/drm_modeset_helper_vtables.h>
> -#include <drm/drm_plane_helper.h>
>   #include <drm/drm_probe_helper.h>
>   
>   #define DRIVER_NAME	"simpledrm"

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[PATCH 8/8] drm/xlnx: Do not include <drm/drm_plane_helper.h>

[Thomas Zimmermann]

Remove unnecessary include statements for <drm/drm_plane_helper.h>.
The file contains helpers for non-atomic code and should not be
required by most drivers. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/xlnx/zynqmp_kms.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c
index a7f8611be6f42..db3bb4afbfc46 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_kms.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c
@@ -27,7 +27,6 @@
 #include <drm/drm_managed.h>
 #include <drm/drm_mode_config.h>
 #include <drm/drm_plane.h>
-#include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_vblank.h>
-- 
2.43.0


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Re: [PATCH 8/8] drm/xlnx: Do not include <drm/drm_plane_helper.h>

[Laurent Pinchart]

Hi Thomas,

Thank you for the patch.

On Tue, Nov 28, 2023 at 11:45:24AM +0100, Thomas Zimmermann wrote:
> Remove unnecessary include statements for <drm/drm_plane_helper.h>.
> The file contains helpers for non-atomic code and should not be
> required by most drivers. No functional changes.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Assuming you've compile-tested the driver,

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Please get this merged through drm-misc as part of the series if
possible.

> ---
>  drivers/gpu/drm/xlnx/zynqmp_kms.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c
> index a7f8611be6f42..db3bb4afbfc46 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c
> @@ -27,7 +27,6 @@
>  #include <drm/drm_managed.h>
>  #include <drm/drm_mode_config.h>
>  #include <drm/drm_plane.h>
> -#include <drm/drm_plane_helper.h>
>  #include <drm/drm_probe_helper.h>
>  #include <drm/drm_simple_kms_helper.h>
>  #include <drm/drm_vblank.h>

-- 
Regards,

Laurent Pinchart

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Re: [PATCH 8/8] drm/xlnx: Do not include <drm/drm_plane_helper.h>

[Thomas Zimmermann]

[-- Attachment #1.1.1: Type: text/plain, Size: 1558 bytes --]

Hi

Am 28.11.23 um 12:02 schrieb Laurent Pinchart:
> Hi Thomas,
> 
> Thank you for the patch.
> 
> On Tue, Nov 28, 2023 at 11:45:24AM +0100, Thomas Zimmermann wrote:
>> Remove unnecessary include statements for <drm/drm_plane_helper.h>.
>> The file contains helpers for non-atomic code and should not be
>> required by most drivers. No functional changes.
>>
>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> 
> Assuming you've compile-tested the driver,

I've COMPILE_TEST'ed the driver on aarch64.

> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> 
> Please get this merged through drm-misc as part of the series if
> possible.

Sure.

Best regards
Thomas

> 
>> ---
>>   drivers/gpu/drm/xlnx/zynqmp_kms.c | 1 -
>>   1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c
>> index a7f8611be6f42..db3bb4afbfc46 100644
>> --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c
>> +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c
>> @@ -27,7 +27,6 @@
>>   #include <drm/drm_managed.h>
>>   #include <drm/drm_mode_config.h>
>>   #include <drm/drm_plane.h>
>> -#include <drm/drm_plane_helper.h>
>>   #include <drm/drm_probe_helper.h>
>>   #include <drm/drm_simple_kms_helper.h>
>>   #include <drm/drm_vblank.h>
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)

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