Re: [PATCH v2 16/21] drm/vgem: Introduce GEM object functions

2020-09-17 Thread Melissa Wen
Hi Thomas,

On 09/15, 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 vgem. The only exception is gem_prime_mmap,
> which is non-trivial to convert.
> 
> Signed-off-by: Thomas Zimmermann 

Thanks here again.

This drv file is little tumultuous to me.
I mean, I took a while to sort functions in my head.

However, finally, I got it, and the change looks good.

Reviewed-by: Melissa Wen 

> ---
>  drivers/gpu/drm/vgem/vgem_drv.c | 21 ++---
>  1 file changed, 14 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> index cb884c890065..fa54a6d1403d 100644
> --- a/drivers/gpu/drm/vgem/vgem_drv.c
> +++ b/drivers/gpu/drm/vgem/vgem_drv.c
> @@ -50,6 +50,8 @@
>  #define DRIVER_MAJOR 1
>  #define DRIVER_MINOR 0
>  
> +static const struct drm_gem_object_funcs vgem_gem_object_funcs;
> +
>  static struct vgem_device {
>   struct drm_device drm;
>   struct platform_device *platform;
> @@ -167,6 +169,8 @@ static struct drm_vgem_gem_object 
> *__vgem_gem_create(struct drm_device *dev,
>   if (!obj)
>   return ERR_PTR(-ENOMEM);
>  
> + obj->base.funcs = _gem_object_funcs;
> +
>   ret = drm_gem_object_init(dev, >base, roundup(size, PAGE_SIZE));
>   if (ret) {
>   kfree(obj);
> @@ -401,12 +405,20 @@ static int vgem_prime_mmap(struct drm_gem_object *obj,
>   return 0;
>  }
>  
> +static const struct drm_gem_object_funcs vgem_gem_object_funcs = {
> + .free = vgem_gem_free_object,
> + .pin = vgem_prime_pin,
> + .unpin = vgem_prime_unpin,
> + .get_sg_table = vgem_prime_get_sg_table,
> + .vmap = vgem_prime_vmap,
> + .vunmap = vgem_prime_vunmap,
> + .vm_ops = _gem_vm_ops,
> +};
> +
>  static struct drm_driver vgem_driver = {
>   .driver_features= DRIVER_GEM | DRIVER_RENDER,
>   .open   = vgem_open,
>   .postclose  = vgem_postclose,
> - .gem_free_object_unlocked   = vgem_gem_free_object,
> - .gem_vm_ops = _gem_vm_ops,
>   .ioctls = vgem_ioctls,
>   .num_ioctls = ARRAY_SIZE(vgem_ioctls),
>   .fops   = _driver_fops,
> @@ -415,13 +427,8 @@ static struct drm_driver vgem_driver = {
>  
>   .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
>   .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> - .gem_prime_pin = vgem_prime_pin,
> - .gem_prime_unpin = vgem_prime_unpin,
>   .gem_prime_import = vgem_prime_import,
>   .gem_prime_import_sg_table = vgem_prime_import_sg_table,
> - .gem_prime_get_sg_table = vgem_prime_get_sg_table,
> - .gem_prime_vmap = vgem_prime_vmap,
> - .gem_prime_vunmap = vgem_prime_vunmap,
>   .gem_prime_mmap = vgem_prime_mmap,
>  
>   .name   = DRIVER_NAME,
> -- 
> 2.28.0
> 
> ___
> dri-devel mailing list
> dri-de...@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel



[PATCH v2 16/21] drm/vgem: 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 vgem. The only exception is gem_prime_mmap,
which is non-trivial to convert.

Signed-off-by: Thomas Zimmermann 
---
 drivers/gpu/drm/vgem/vgem_drv.c | 21 ++---
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index cb884c890065..fa54a6d1403d 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -50,6 +50,8 @@
 #define DRIVER_MAJOR   1
 #define DRIVER_MINOR   0
 
+static const struct drm_gem_object_funcs vgem_gem_object_funcs;
+
 static struct vgem_device {
struct drm_device drm;
struct platform_device *platform;
@@ -167,6 +169,8 @@ static struct drm_vgem_gem_object *__vgem_gem_create(struct 
drm_device *dev,
if (!obj)
return ERR_PTR(-ENOMEM);
 
+   obj->base.funcs = _gem_object_funcs;
+
ret = drm_gem_object_init(dev, >base, roundup(size, PAGE_SIZE));
if (ret) {
kfree(obj);
@@ -401,12 +405,20 @@ static int vgem_prime_mmap(struct drm_gem_object *obj,
return 0;
 }
 
+static const struct drm_gem_object_funcs vgem_gem_object_funcs = {
+   .free = vgem_gem_free_object,
+   .pin = vgem_prime_pin,
+   .unpin = vgem_prime_unpin,
+   .get_sg_table = vgem_prime_get_sg_table,
+   .vmap = vgem_prime_vmap,
+   .vunmap = vgem_prime_vunmap,
+   .vm_ops = _gem_vm_ops,
+};
+
 static struct drm_driver vgem_driver = {
.driver_features= DRIVER_GEM | DRIVER_RENDER,
.open   = vgem_open,
.postclose  = vgem_postclose,
-   .gem_free_object_unlocked   = vgem_gem_free_object,
-   .gem_vm_ops = _gem_vm_ops,
.ioctls = vgem_ioctls,
.num_ioctls = ARRAY_SIZE(vgem_ioctls),
.fops   = _driver_fops,
@@ -415,13 +427,8 @@ static struct drm_driver vgem_driver = {
 
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
-   .gem_prime_pin = vgem_prime_pin,
-   .gem_prime_unpin = vgem_prime_unpin,
.gem_prime_import = vgem_prime_import,
.gem_prime_import_sg_table = vgem_prime_import_sg_table,
-   .gem_prime_get_sg_table = vgem_prime_get_sg_table,
-   .gem_prime_vmap = vgem_prime_vmap,
-   .gem_prime_vunmap = vgem_prime_vunmap,
.gem_prime_mmap = vgem_prime_mmap,
 
.name   = DRIVER_NAME,
-- 
2.28.0