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path: root/drivers/gpu/drm/drm_gem_shmem_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_gem_shmem_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_shmem_helper.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 621924116eb4..8ad0e02991ca 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -46,6 +46,7 @@ static const struct drm_gem_object_funcs drm_gem_shmem_funcs = {
.vmap = drm_gem_shmem_object_vmap,
.vunmap = drm_gem_shmem_object_vunmap,
.mmap = drm_gem_shmem_object_mmap,
+ .vm_ops = &drm_gem_shmem_vm_ops,
};
static struct drm_gem_shmem_object *
@@ -286,13 +287,14 @@ void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem)
}
EXPORT_SYMBOL(drm_gem_shmem_unpin);
-static int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map)
+static int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem,
+ struct iosys_map *map)
{
struct drm_gem_object *obj = &shmem->base;
int ret = 0;
if (shmem->vmap_use_count++ > 0) {
- dma_buf_map_set_vaddr(map, shmem->vaddr);
+ iosys_map_set_vaddr(map, shmem->vaddr);
return 0;
}
@@ -319,7 +321,7 @@ static int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem, struct
if (!shmem->vaddr)
ret = -ENOMEM;
else
- dma_buf_map_set_vaddr(map, shmem->vaddr);
+ iosys_map_set_vaddr(map, shmem->vaddr);
}
if (ret) {
@@ -353,7 +355,8 @@ err_zero_use:
* Returns:
* 0 on success or a negative error code on failure.
*/
-int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map)
+int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
+ struct iosys_map *map)
{
int ret;
@@ -368,7 +371,7 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, struct dma_buf_map *m
EXPORT_SYMBOL(drm_gem_shmem_vmap);
static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
- struct dma_buf_map *map)
+ struct iosys_map *map)
{
struct drm_gem_object *obj = &shmem->base;
@@ -400,7 +403,8 @@ static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
* This function hides the differences between dma-buf imported and natively
* allocated objects.
*/
-void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map)
+void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
+ struct iosys_map *map)
{
mutex_lock(&shmem->vmap_lock);
drm_gem_shmem_vunmap_locked(shmem, map);
@@ -585,11 +589,12 @@ static void drm_gem_shmem_vm_close(struct vm_area_struct *vma)
drm_gem_vm_close(vma);
}
-static const struct vm_operations_struct drm_gem_shmem_vm_ops = {
+const struct vm_operations_struct drm_gem_shmem_vm_ops = {
.fault = drm_gem_shmem_fault,
.open = drm_gem_shmem_vm_open,
.close = drm_gem_shmem_vm_close,
};
+EXPORT_SYMBOL_GPL(drm_gem_shmem_vm_ops);
/**
* drm_gem_shmem_mmap - Memory-map a shmem GEM object
@@ -621,11 +626,10 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
return ret;
}
- vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND;
+ vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
if (shmem->map_wc)
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
- vma->vm_ops = &drm_gem_shmem_vm_ops;
return 0;
}