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path: root/drivers/gpu/drm/drm_gem_vram_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_gem_vram_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_vram_helper.c56
1 files changed, 1 insertions, 55 deletions
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index dc7942981f4a..b86fe0fa9d05 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -552,13 +552,6 @@ static void drm_gem_vram_bo_driver_evict_flags(struct drm_gem_vram_object *gbo,
*pl = gbo->placement;
}
-static int drm_gem_vram_bo_driver_verify_access(struct drm_gem_vram_object *gbo,
- struct file *filp)
-{
- return drm_vma_node_verify_access(&gbo->bo.base.vma_node,
- filp->private_data);
-}
-
static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo,
bool evict,
struct ttm_mem_reg *new_mem)
@@ -737,6 +730,7 @@ static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = {
.unpin = drm_gem_vram_object_unpin,
.vmap = drm_gem_vram_object_vmap,
.vunmap = drm_gem_vram_object_vunmap,
+ .mmap = drm_gem_ttm_mmap,
.print_info = drm_gem_ttm_print_info,
};
@@ -822,20 +816,6 @@ static void bo_driver_evict_flags(struct ttm_buffer_object *bo,
drm_gem_vram_bo_driver_evict_flags(gbo, placement);
}
-static int bo_driver_verify_access(struct ttm_buffer_object *bo,
- struct file *filp)
-{
- struct drm_gem_vram_object *gbo;
-
- /* TTM may pass BOs that are not GEM VRAM BOs. */
- if (!drm_is_gem_vram(bo))
- return -EINVAL;
-
- gbo = drm_gem_vram_of_bo(bo);
-
- return drm_gem_vram_bo_driver_verify_access(gbo, filp);
-}
-
static void bo_driver_move_notify(struct ttm_buffer_object *bo,
bool evict,
struct ttm_mem_reg *new_mem)
@@ -892,7 +872,6 @@ static struct ttm_bo_driver bo_driver = {
.init_mem_type = bo_driver_init_mem_type,
.eviction_valuable = ttm_bo_eviction_valuable,
.evict_flags = bo_driver_evict_flags,
- .verify_access = bo_driver_verify_access,
.move_notify = bo_driver_move_notify,
.io_mem_reserve = bo_driver_io_mem_reserve,
.io_mem_free = bo_driver_io_mem_free,
@@ -971,12 +950,6 @@ static void drm_vram_mm_cleanup(struct drm_vram_mm *vmm)
ttm_bo_device_release(&vmm->bdev);
}
-static int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma,
- struct drm_vram_mm *vmm)
-{
- return ttm_bo_mmap(filp, vma, &vmm->bdev);
-}
-
/*
* Helpers for integration with struct drm_device
*/
@@ -1032,30 +1005,3 @@ void drm_vram_helper_release_mm(struct drm_device *dev)
dev->vram_mm = NULL;
}
EXPORT_SYMBOL(drm_vram_helper_release_mm);
-
-/*
- * Helpers for &struct file_operations
- */
-
-/**
- * drm_vram_mm_file_operations_mmap() - \
- Implements &struct file_operations.mmap()
- * @filp: the mapping's file structure
- * @vma: the mapping's memory area
- *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
- */
-int drm_vram_mm_file_operations_mmap(
- struct file *filp, struct vm_area_struct *vma)
-{
- struct drm_file *file_priv = filp->private_data;
- struct drm_device *dev = file_priv->minor->dev;
-
- if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized"))
- return -EINVAL;
-
- return drm_vram_mm_mmap(filp, vma, dev->vram_mm);
-}
-EXPORT_SYMBOL(drm_vram_mm_file_operations_mmap);