Mailing List Archive

[PATCH v2 01/21] drm/amdgpu: Introduce GEM object functions
GEM object functions deprecate several similar callback interfaces in
struct drm_driver. This patch replaces the per-driver callbacks with
per-instance callbacks in amdgpu. The only exception is gem_prime_mmap,
which is non-trivial to convert.

v2:
* move object-function instance to amdgpu_gem.c (Christian)
* set callbacks in amdgpu_gem_object_create() (Christian)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 ------
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 23 +++++++++++++++++-----
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h | 5 -----
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 1 +
4 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 6edde2b9e402..840ca8f9c1e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1505,19 +1505,13 @@ static struct drm_driver kms_driver = {
.lastclose = amdgpu_driver_lastclose_kms,
.irq_handler = amdgpu_irq_handler,
.ioctls = amdgpu_ioctls_kms,
- .gem_free_object_unlocked = amdgpu_gem_object_free,
- .gem_open_object = amdgpu_gem_object_open,
- .gem_close_object = amdgpu_gem_object_close,
.dumb_create = amdgpu_mode_dumb_create,
.dumb_map_offset = amdgpu_mode_dumb_mmap,
.fops = &amdgpu_driver_kms_fops,

.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
- .gem_prime_export = amdgpu_gem_prime_export,
.gem_prime_import = amdgpu_gem_prime_import,
- .gem_prime_vmap = amdgpu_gem_prime_vmap,
- .gem_prime_vunmap = amdgpu_gem_prime_vunmap,
.gem_prime_mmap = amdgpu_gem_prime_mmap,

.name = DRIVER_NAME,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index aa7f230c71bf..aeecd5dc3ce4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -36,9 +36,12 @@

#include "amdgpu.h"
#include "amdgpu_display.h"
+#include "amdgpu_dma_buf.h"
#include "amdgpu_xgmi.h"

-void amdgpu_gem_object_free(struct drm_gem_object *gobj)
+static const struct drm_gem_object_funcs amdgpu_gem_object_funcs;
+
+static void amdgpu_gem_object_free(struct drm_gem_object *gobj)
{
struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);

@@ -87,6 +90,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
return r;
}
*obj = &bo->tbo.base;
+ (*obj)->funcs = &amdgpu_gem_object_funcs;

return 0;
}
@@ -119,8 +123,8 @@ void amdgpu_gem_force_release(struct amdgpu_device *adev)
* Call from drm_gem_handle_create which appear in both new and open ioctl
* case.
*/
-int amdgpu_gem_object_open(struct drm_gem_object *obj,
- struct drm_file *file_priv)
+static int amdgpu_gem_object_open(struct drm_gem_object *obj,
+ struct drm_file *file_priv)
{
struct amdgpu_bo *abo = gem_to_amdgpu_bo(obj);
struct amdgpu_device *adev = amdgpu_ttm_adev(abo->tbo.bdev);
@@ -152,8 +156,8 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj,
return 0;
}

-void amdgpu_gem_object_close(struct drm_gem_object *obj,
- struct drm_file *file_priv)
+static void amdgpu_gem_object_close(struct drm_gem_object *obj,
+ struct drm_file *file_priv)
{
struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
@@ -211,6 +215,15 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj,
ttm_eu_backoff_reservation(&ticket, &list);
}

+static const struct drm_gem_object_funcs amdgpu_gem_object_funcs = {
+ .free = amdgpu_gem_object_free,
+ .open = amdgpu_gem_object_open,
+ .close = amdgpu_gem_object_close,
+ .export = amdgpu_gem_prime_export,
+ .vmap = amdgpu_gem_prime_vmap,
+ .vunmap = amdgpu_gem_prime_vunmap,
+};
+
/*
* GEM ioctls.
*/
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
index e0f025dd1b14..637bf51dbf06 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
@@ -33,11 +33,6 @@
#define AMDGPU_GEM_DOMAIN_MAX 0x3
#define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, tbo.base)

-void amdgpu_gem_object_free(struct drm_gem_object *obj);
-int amdgpu_gem_object_open(struct drm_gem_object *obj,
- struct drm_file *file_priv);
-void amdgpu_gem_object_close(struct drm_gem_object *obj,
- struct drm_file *file_priv);
unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);

/*
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index ac043baac05d..c4e82a8fa53f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -561,6 +561,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL);
if (bo == NULL)
return -ENOMEM;
+
drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);
INIT_LIST_HEAD(&bo->shadow_list);
bo->vm_bo = NULL;
--
2.28.0
Re: [PATCH v2 01/21] drm/amdgpu: Introduce GEM object functions [ In reply to ]
Am 15.09.20 um 16:59 schrieb Thomas Zimmermann:
> GEM object functions deprecate several similar callback interfaces in
> struct drm_driver. This patch replaces the per-driver callbacks with
> per-instance callbacks in amdgpu. The only exception is gem_prime_mmap,
> which is non-trivial to convert.
>
> v2:
> * move object-function instance to amdgpu_gem.c (Christian)
> * set callbacks in amdgpu_gem_object_create() (Christian)
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 ------
> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 23 +++++++++++++++++-----
> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h | 5 -----
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 1 +
> 4 files changed, 19 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index 6edde2b9e402..840ca8f9c1e1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -1505,19 +1505,13 @@ static struct drm_driver kms_driver = {
> .lastclose = amdgpu_driver_lastclose_kms,
> .irq_handler = amdgpu_irq_handler,
> .ioctls = amdgpu_ioctls_kms,
> - .gem_free_object_unlocked = amdgpu_gem_object_free,
> - .gem_open_object = amdgpu_gem_object_open,
> - .gem_close_object = amdgpu_gem_object_close,
> .dumb_create = amdgpu_mode_dumb_create,
> .dumb_map_offset = amdgpu_mode_dumb_mmap,
> .fops = &amdgpu_driver_kms_fops,
>
> .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
> .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> - .gem_prime_export = amdgpu_gem_prime_export,
> .gem_prime_import = amdgpu_gem_prime_import,
> - .gem_prime_vmap = amdgpu_gem_prime_vmap,
> - .gem_prime_vunmap = amdgpu_gem_prime_vunmap,
> .gem_prime_mmap = amdgpu_gem_prime_mmap,
>
> .name = DRIVER_NAME,
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index aa7f230c71bf..aeecd5dc3ce4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -36,9 +36,12 @@
>
> #include "amdgpu.h"
> #include "amdgpu_display.h"
> +#include "amdgpu_dma_buf.h"
> #include "amdgpu_xgmi.h"
>
> -void amdgpu_gem_object_free(struct drm_gem_object *gobj)
> +static const struct drm_gem_object_funcs amdgpu_gem_object_funcs;
> +
> +static void amdgpu_gem_object_free(struct drm_gem_object *gobj)
> {
> struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);
>
> @@ -87,6 +90,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
> return r;
> }
> *obj = &bo->tbo.base;
> + (*obj)->funcs = &amdgpu_gem_object_funcs;
>
> return 0;
> }
> @@ -119,8 +123,8 @@ void amdgpu_gem_force_release(struct amdgpu_device *adev)
> * Call from drm_gem_handle_create which appear in both new and open ioctl
> * case.
> */
> -int amdgpu_gem_object_open(struct drm_gem_object *obj,
> - struct drm_file *file_priv)
> +static int amdgpu_gem_object_open(struct drm_gem_object *obj,
> + struct drm_file *file_priv)
> {
> struct amdgpu_bo *abo = gem_to_amdgpu_bo(obj);
> struct amdgpu_device *adev = amdgpu_ttm_adev(abo->tbo.bdev);
> @@ -152,8 +156,8 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj,
> return 0;
> }
>
> -void amdgpu_gem_object_close(struct drm_gem_object *obj,
> - struct drm_file *file_priv)
> +static void amdgpu_gem_object_close(struct drm_gem_object *obj,
> + struct drm_file *file_priv)
> {
> struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
> struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
> @@ -211,6 +215,15 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj,
> ttm_eu_backoff_reservation(&ticket, &list);
> }
>
> +static const struct drm_gem_object_funcs amdgpu_gem_object_funcs = {
> + .free = amdgpu_gem_object_free,
> + .open = amdgpu_gem_object_open,
> + .close = amdgpu_gem_object_close,
> + .export = amdgpu_gem_prime_export,
> + .vmap = amdgpu_gem_prime_vmap,
> + .vunmap = amdgpu_gem_prime_vunmap,
> +};
> +
> /*
> * GEM ioctls.
> */
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
> index e0f025dd1b14..637bf51dbf06 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
> @@ -33,11 +33,6 @@
> #define AMDGPU_GEM_DOMAIN_MAX 0x3
> #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, tbo.base)
>
> -void amdgpu_gem_object_free(struct drm_gem_object *obj);
> -int amdgpu_gem_object_open(struct drm_gem_object *obj,
> - struct drm_file *file_priv);
> -void amdgpu_gem_object_close(struct drm_gem_object *obj,
> - struct drm_file *file_priv);
> unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
>
> /*
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> index ac043baac05d..c4e82a8fa53f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> @@ -561,6 +561,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
> bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL);
> if (bo == NULL)
> return -ENOMEM;
> +

The newline is not unrelated.

Apart from that the patch is Reviewed-by: Christian König
<christian.koenig@amd.com>.

But I think we need some smoke testing of it.

Christian.

> drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);
> INIT_LIST_HEAD(&bo->shadow_list);
> bo->vm_bo = NULL;
Re: [PATCH v2 01/21] drm/amdgpu: Introduce GEM object functions [ In reply to ]
Hi

Am 15.09.20 um 17:05 schrieb Christian König:
> Am 15.09.20 um 16:59 schrieb Thomas Zimmermann:
>> GEM object functions deprecate several similar callback interfaces in
>> struct drm_driver. This patch replaces the per-driver callbacks with
>> per-instance callbacks in amdgpu. The only exception is gem_prime_mmap,
>> which is non-trivial to convert.
>>
>> v2:
>>     * move object-function instance to amdgpu_gem.c (Christian)
>>     * set callbacks in amdgpu_gem_object_create() (Christian)
>>
>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c    |  6 ------
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c    | 23 +++++++++++++++++-----
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h    |  5 -----
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c |  1 +
>>   4 files changed, 19 insertions(+), 16 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> index 6edde2b9e402..840ca8f9c1e1 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> @@ -1505,19 +1505,13 @@ static struct drm_driver kms_driver = {
>>       .lastclose = amdgpu_driver_lastclose_kms,
>>       .irq_handler = amdgpu_irq_handler,
>>       .ioctls = amdgpu_ioctls_kms,
>> -    .gem_free_object_unlocked = amdgpu_gem_object_free,
>> -    .gem_open_object = amdgpu_gem_object_open,
>> -    .gem_close_object = amdgpu_gem_object_close,
>>       .dumb_create = amdgpu_mode_dumb_create,
>>       .dumb_map_offset = amdgpu_mode_dumb_mmap,
>>       .fops = &amdgpu_driver_kms_fops,
>>         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
>>       .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
>> -    .gem_prime_export = amdgpu_gem_prime_export,
>>       .gem_prime_import = amdgpu_gem_prime_import,
>> -    .gem_prime_vmap = amdgpu_gem_prime_vmap,
>> -    .gem_prime_vunmap = amdgpu_gem_prime_vunmap,
>>       .gem_prime_mmap = amdgpu_gem_prime_mmap,
>>         .name = DRIVER_NAME,
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
>> index aa7f230c71bf..aeecd5dc3ce4 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
>> @@ -36,9 +36,12 @@
>>     #include "amdgpu.h"
>>   #include "amdgpu_display.h"
>> +#include "amdgpu_dma_buf.h"
>>   #include "amdgpu_xgmi.h"
>>   -void amdgpu_gem_object_free(struct drm_gem_object *gobj)
>> +static const struct drm_gem_object_funcs amdgpu_gem_object_funcs;
>> +
>> +static void amdgpu_gem_object_free(struct drm_gem_object *gobj)
>>   {
>>       struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);
>>   @@ -87,6 +90,7 @@ int amdgpu_gem_object_create(struct amdgpu_device
>> *adev, unsigned long size,
>>           return r;
>>       }
>>       *obj = &bo->tbo.base;
>> +    (*obj)->funcs = &amdgpu_gem_object_funcs;
>>         return 0;
>>   }
>> @@ -119,8 +123,8 @@ void amdgpu_gem_force_release(struct amdgpu_device
>> *adev)
>>    * Call from drm_gem_handle_create which appear in both new and open
>> ioctl
>>    * case.
>>    */
>> -int amdgpu_gem_object_open(struct drm_gem_object *obj,
>> -               struct drm_file *file_priv)
>> +static int amdgpu_gem_object_open(struct drm_gem_object *obj,
>> +                  struct drm_file *file_priv)
>>   {
>>       struct amdgpu_bo *abo = gem_to_amdgpu_bo(obj);
>>       struct amdgpu_device *adev = amdgpu_ttm_adev(abo->tbo.bdev);
>> @@ -152,8 +156,8 @@ int amdgpu_gem_object_open(struct drm_gem_object
>> *obj,
>>       return 0;
>>   }
>>   -void amdgpu_gem_object_close(struct drm_gem_object *obj,
>> -                 struct drm_file *file_priv)
>> +static void amdgpu_gem_object_close(struct drm_gem_object *obj,
>> +                    struct drm_file *file_priv)
>>   {
>>       struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
>>       struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
>> @@ -211,6 +215,15 @@ void amdgpu_gem_object_close(struct
>> drm_gem_object *obj,
>>       ttm_eu_backoff_reservation(&ticket, &list);
>>   }
>>   +static const struct drm_gem_object_funcs amdgpu_gem_object_funcs = {
>> +    .free = amdgpu_gem_object_free,
>> +    .open = amdgpu_gem_object_open,
>> +    .close = amdgpu_gem_object_close,
>> +    .export = amdgpu_gem_prime_export,
>> +    .vmap = amdgpu_gem_prime_vmap,
>> +    .vunmap = amdgpu_gem_prime_vunmap,
>> +};
>> +
>>   /*
>>    * GEM ioctls.
>>    */
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
>> index e0f025dd1b14..637bf51dbf06 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
>> @@ -33,11 +33,6 @@
>>   #define AMDGPU_GEM_DOMAIN_MAX        0x3
>>   #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct
>> amdgpu_bo, tbo.base)
>>   -void amdgpu_gem_object_free(struct drm_gem_object *obj);
>> -int amdgpu_gem_object_open(struct drm_gem_object *obj,
>> -                struct drm_file *file_priv);
>> -void amdgpu_gem_object_close(struct drm_gem_object *obj,
>> -                struct drm_file *file_priv);
>>   unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
>>     /*
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> index ac043baac05d..c4e82a8fa53f 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> @@ -561,6 +561,7 @@ static int amdgpu_bo_do_create(struct
>> amdgpu_device *adev,
>>       bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL);
>>       if (bo == NULL)
>>           return -ENOMEM;
>> +
>
> The newline is not unrelated.
>
> Apart from that the patch is Reviewed-by: Christian König
> <christian.koenig@amd.com>.
>
> But I think we need some smoke testing of it.

I gave it a try on the HW/drivers that I listed in the cover letter.
Appears to be working there. There was a bug reported by CI that will be
fixed in the next iteration.

Best regards
Thomas

>
> Christian.
>
>>       drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base,
>> size);
>>       INIT_LIST_HEAD(&bo->shadow_list);
>>       bo->vm_bo = NULL;
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer