Re: [Nouveau] [PATCH v2 03/21] drm/etnaviv: Introduce GEM object functions

2020-09-17 Thread Daniel Vetter
On Tue, Sep 15, 2020 at 04:59:40PM +0200, Thomas Zimmermann wrote:
> GEM object functions deprecate several similar callback interfaces in
> struct drm_driver. This patch replaces the per-driver callbacks with
> per-instance callbacks in etnaviv. The only exception is gem_prime_mmap,
> which is non-trivial to convert.
> 
> Signed-off-by: Thomas Zimmermann 
> ---
>  drivers/gpu/drm/etnaviv/etnaviv_drv.c | 13 -
>  drivers/gpu/drm/etnaviv/etnaviv_drv.h |  1 -
>  drivers/gpu/drm/etnaviv/etnaviv_gem.c | 19 ++-
>  3 files changed, 18 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c 
> b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> index a9a3afaef9a1..aa270b79e585 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> @@ -468,12 +468,6 @@ static const struct drm_ioctl_desc etnaviv_ioctls[] = {
>   ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW),
>  };
>  
> -static const struct vm_operations_struct vm_ops = {
> - .fault = etnaviv_gem_fault,
> - .open = drm_gem_vm_open,
> - .close = drm_gem_vm_close,
> -};
> -
>  static const struct file_operations fops = {
>   .owner  = THIS_MODULE,
>   .open   = drm_open,
> @@ -490,16 +484,9 @@ static struct drm_driver etnaviv_drm_driver = {
>   .driver_features= DRIVER_GEM | DRIVER_RENDER,
>   .open   = etnaviv_open,
>   .postclose   = etnaviv_postclose,
> - .gem_free_object_unlocked = etnaviv_gem_free_object,
> - .gem_vm_ops = _ops,
>   .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
>   .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> - .gem_prime_pin  = etnaviv_gem_prime_pin,
> - .gem_prime_unpin= etnaviv_gem_prime_unpin,
> - .gem_prime_get_sg_table = etnaviv_gem_prime_get_sg_table,
>   .gem_prime_import_sg_table = etnaviv_gem_prime_import_sg_table,
> - .gem_prime_vmap = etnaviv_gem_prime_vmap,
> - .gem_prime_vunmap   = etnaviv_gem_prime_vunmap,
>   .gem_prime_mmap = etnaviv_gem_prime_mmap,
>  #ifdef CONFIG_DEBUG_FS
>   .debugfs_init   = etnaviv_debugfs_init,
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h 
> b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
> index 4d8dc9236e5f..914f0867ff71 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
> @@ -49,7 +49,6 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void 
> *data,
>   struct drm_file *file);
>  
>  int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma);
> -vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf);
>  int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset);
>  struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj);
>  void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj);
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c 
> b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> index ea19f1d27275..312e9d58d5a7 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> @@ -171,7 +171,7 @@ int etnaviv_gem_mmap(struct file *filp, struct 
> vm_area_struct *vma)
>   return obj->ops->mmap(obj, vma);
>  }
>  
> -vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf)
> +static vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf)
>  {
>   struct vm_area_struct *vma = vmf->vma;
>   struct drm_gem_object *obj = vma->vm_private_data;
> @@ -561,6 +561,22 @@ void etnaviv_gem_obj_add(struct drm_device *dev, struct 
> drm_gem_object *obj)
>   mutex_unlock(>gem_lock);
>  }
>  
> +static const struct vm_operations_struct vm_ops = {
> + .fault = etnaviv_gem_fault,
> + .open = drm_gem_vm_open,
> + .close = drm_gem_vm_close,
> +};
> +
> +static const struct drm_gem_object_funcs etnaviv_gem_object_funcs = {
> + .free = etnaviv_gem_free_object,
> + .pin = etnaviv_gem_prime_pin,
> + .unpin = etnaviv_gem_prime_unpin,
> + .get_sg_table = etnaviv_gem_prime_get_sg_table,
> + .vmap = etnaviv_gem_prime_vmap,
> + .vunmap = etnaviv_gem_prime_vunmap,
> + .vm_ops = _ops,
> +};

Reviewed-by: Daniel Vetter 

> +
>  static int etnaviv_gem_new_impl(struct drm_device *dev, u32 size, u32 flags,
>   const struct etnaviv_gem_ops *ops, struct drm_gem_object **obj)
>  {
> @@ -595,6 +611,7 @@ static int etnaviv_gem_new_impl(struct drm_device *dev, 
> u32 size, u32 flags,
>   INIT_LIST_HEAD(_obj->vram_list);
>  
>   *obj = _obj->base;
> + (*obj)->funcs = _gem_object_funcs;
>  
>   return 0;
>  }
> -- 
> 2.28.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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[Nouveau] [PATCH v2 03/21] drm/etnaviv: Introduce GEM object functions

2020-09-15 Thread 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 etnaviv. The only exception is gem_prime_mmap,
which is non-trivial to convert.

Signed-off-by: Thomas Zimmermann 
---
 drivers/gpu/drm/etnaviv/etnaviv_drv.c | 13 -
 drivers/gpu/drm/etnaviv/etnaviv_drv.h |  1 -
 drivers/gpu/drm/etnaviv/etnaviv_gem.c | 19 ++-
 3 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c 
b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index a9a3afaef9a1..aa270b79e585 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -468,12 +468,6 @@ static const struct drm_ioctl_desc etnaviv_ioctls[] = {
ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW),
 };
 
-static const struct vm_operations_struct vm_ops = {
-   .fault = etnaviv_gem_fault,
-   .open = drm_gem_vm_open,
-   .close = drm_gem_vm_close,
-};
-
 static const struct file_operations fops = {
.owner  = THIS_MODULE,
.open   = drm_open,
@@ -490,16 +484,9 @@ static struct drm_driver etnaviv_drm_driver = {
.driver_features= DRIVER_GEM | DRIVER_RENDER,
.open   = etnaviv_open,
.postclose   = etnaviv_postclose,
-   .gem_free_object_unlocked = etnaviv_gem_free_object,
-   .gem_vm_ops = _ops,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
-   .gem_prime_pin  = etnaviv_gem_prime_pin,
-   .gem_prime_unpin= etnaviv_gem_prime_unpin,
-   .gem_prime_get_sg_table = etnaviv_gem_prime_get_sg_table,
.gem_prime_import_sg_table = etnaviv_gem_prime_import_sg_table,
-   .gem_prime_vmap = etnaviv_gem_prime_vmap,
-   .gem_prime_vunmap   = etnaviv_gem_prime_vunmap,
.gem_prime_mmap = etnaviv_gem_prime_mmap,
 #ifdef CONFIG_DEBUG_FS
.debugfs_init   = etnaviv_debugfs_init,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h 
b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
index 4d8dc9236e5f..914f0867ff71 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
@@ -49,7 +49,6 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void 
*data,
struct drm_file *file);
 
 int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma);
-vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf);
 int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset);
 struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj);
 void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c 
b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index ea19f1d27275..312e9d58d5a7 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -171,7 +171,7 @@ int etnaviv_gem_mmap(struct file *filp, struct 
vm_area_struct *vma)
return obj->ops->mmap(obj, vma);
 }
 
-vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf)
+static vm_fault_t etnaviv_gem_fault(struct vm_fault *vmf)
 {
struct vm_area_struct *vma = vmf->vma;
struct drm_gem_object *obj = vma->vm_private_data;
@@ -561,6 +561,22 @@ void etnaviv_gem_obj_add(struct drm_device *dev, struct 
drm_gem_object *obj)
mutex_unlock(>gem_lock);
 }
 
+static const struct vm_operations_struct vm_ops = {
+   .fault = etnaviv_gem_fault,
+   .open = drm_gem_vm_open,
+   .close = drm_gem_vm_close,
+};
+
+static const struct drm_gem_object_funcs etnaviv_gem_object_funcs = {
+   .free = etnaviv_gem_free_object,
+   .pin = etnaviv_gem_prime_pin,
+   .unpin = etnaviv_gem_prime_unpin,
+   .get_sg_table = etnaviv_gem_prime_get_sg_table,
+   .vmap = etnaviv_gem_prime_vmap,
+   .vunmap = etnaviv_gem_prime_vunmap,
+   .vm_ops = _ops,
+};
+
 static int etnaviv_gem_new_impl(struct drm_device *dev, u32 size, u32 flags,
const struct etnaviv_gem_ops *ops, struct drm_gem_object **obj)
 {
@@ -595,6 +611,7 @@ static int etnaviv_gem_new_impl(struct drm_device *dev, u32 
size, u32 flags,
INIT_LIST_HEAD(_obj->vram_list);
 
*obj = _obj->base;
+   (*obj)->funcs = _gem_object_funcs;
 
return 0;
 }
-- 
2.28.0

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