Re: [PATCH v4 04/10] drm/exynos: Remove empty exynos_drm_gem_prime_{vmap, vunmap}()

[Christian König <christian.koenig@xxxxxxx>]

Am 15.10.20 um 14:38 schrieb Thomas Zimmermann:
> The functions exynos_drm_gem_prime_{vmap,vunmap}() are empty. Remove
> them before changing the interface to use struct drm_buf_map. As a side
> effect of removing drm_gem_prime_vmap(), the error code changes from
> ENOMEM to EOPNOTSUPP.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

Acked-by: Christian König <christian.koenig@xxxxxxx>

> ---
>   drivers/gpu/drm/exynos/exynos_drm_gem.c | 12 ------------
>   drivers/gpu/drm/exynos/exynos_drm_gem.h |  2 --
>   2 files changed, 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> index e7a6eb96f692..13a35623ac04 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
> @@ -137,8 +137,6 @@ static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
>   static const struct drm_gem_object_funcs exynos_drm_gem_object_funcs = {
>   	.free = exynos_drm_gem_free_object,
>   	.get_sg_table = exynos_drm_gem_prime_get_sg_table,
> -	.vmap = exynos_drm_gem_prime_vmap,
> -	.vunmap	= exynos_drm_gem_prime_vunmap,
>   	.vm_ops = &exynos_drm_gem_vm_ops,
>   };
>   
> @@ -471,16 +469,6 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
>   	return &exynos_gem->base;
>   }
>   
> -void *exynos_drm_gem_prime_vmap(struct drm_gem_object *obj)
> -{
> -	return NULL;
> -}
> -
> -void exynos_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
> -{
> -	/* Nothing to do */
> -}
> -
>   int exynos_drm_gem_prime_mmap(struct drm_gem_object *obj,
>   			      struct vm_area_struct *vma)
>   {
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
> index 74e926abeff0..a23272fb96fb 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
> @@ -107,8 +107,6 @@ struct drm_gem_object *
>   exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
>   				     struct dma_buf_attachment *attach,
>   				     struct sg_table *sgt);
> -void *exynos_drm_gem_prime_vmap(struct drm_gem_object *obj);
> -void exynos_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
>   int exynos_drm_gem_prime_mmap(struct drm_gem_object *obj,
>   			      struct vm_area_struct *vma);
>   

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