drm/exynos: gem: remove old unused prototypes

This patch removes old, unused function prototypes from exynos_drm_gem.h.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 37ab8b2..9ca5047 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -55,8 +55,6 @@ struct exynos_drm_gem {
        struct sg_table         *sgt;
 };
 
-struct page **exynos_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask);
-
 /* destroy a buffer with gem object */
 void exynos_drm_gem_destroy(struct exynos_drm_gem *exynos_gem);
 
@@ -91,10 +89,6 @@ void exynos_drm_gem_put_dma_addr(struct drm_device *dev,
                                        unsigned int gem_handle,
                                        struct drm_file *filp);
 
-/* map user space allocated by malloc to pages. */
-int exynos_drm_gem_userptr_ioctl(struct drm_device *dev, void *data,
-                                     struct drm_file *file_priv);
-
 /* get buffer information to memory region allocated by gem. */
 int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data,
                                      struct drm_file *file_priv);
@@ -123,28 +117,6 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 /* set vm_flags and we can change the vm attribute to other one at here. */
 int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 
-static inline int vma_is_io(struct vm_area_struct *vma)
-{
-       return !!(vma->vm_flags & (VM_IO | VM_PFNMAP));
-}
-
-/* get a copy of a virtual memory region. */
-struct vm_area_struct *exynos_gem_get_vma(struct vm_area_struct *vma);
-
-/* release a userspace virtual memory area. */
-void exynos_gem_put_vma(struct vm_area_struct *vma);
-
-/* get pages from user space. */
-int exynos_gem_get_pages_from_userptr(unsigned long start,
-                                               unsigned int npages,
-                                               struct page **pages,
-                                               struct vm_area_struct *vma);
-
-/* drop the reference to pages. */
-void exynos_gem_put_pages_to_userptr(struct page **pages,
-                                       unsigned int npages,
-                                       struct vm_area_struct *vma);
-
 /* map sgt with dma region. */
 int exynos_gem_map_sgt_with_dma(struct drm_device *drm_dev,
                                struct sg_table *sgt,