[PATCH 3/4] drm/vram: Unexport internal functions of VRAM MM

[Thomas Zimmermann <tzimmermann@xxxxxxx>]

The init, cleanup and mmap functions of VRAM MM are only used internally.
Remove them from the public interface.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 38 ++++-----------------------
 include/drm/drm_gem_vram_helper.h     |  7 -----
 2 files changed, 5 insertions(+), 40 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index ed1ffbec5d02..73e81e3a8724 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -844,19 +844,8 @@ static struct ttm_bo_driver bo_driver = {
  * struct drm_vram_mm
  */
 
-/**
- * drm_vram_mm_init() - Initialize an instance of VRAM MM.
- * @vmm:	the VRAM MM instance to initialize
- * @dev:	the DRM device
- * @vram_base:	the base address of the video memory
- * @vram_size:	the size of the video memory in bytes
- *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
- */
-int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,
-		     uint64_t vram_base, size_t vram_size)
+static int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,
+			    uint64_t vram_base, size_t vram_size)
 {
 	int ret;
 
@@ -875,34 +864,17 @@ int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(drm_vram_mm_init);
 
-/**
- * drm_vram_mm_cleanup() - Cleans up an initialized instance of VRAM MM.
- * @vmm:	the VRAM MM instance to clean up
- */
-void drm_vram_mm_cleanup(struct drm_vram_mm *vmm)
+static void drm_vram_mm_cleanup(struct drm_vram_mm *vmm)
 {
 	ttm_bo_device_release(&vmm->bdev);
 }
-EXPORT_SYMBOL(drm_vram_mm_cleanup);
 
-/**
- * drm_vram_mm_mmap() - Helper for implementing &struct file_operations.mmap()
- * @filp:	the mapping's file structure
- * @vma:	the mapping's memory area
- * @vmm:	the VRAM MM instance
- *
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
- */
-int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma,
-		     struct drm_vram_mm *vmm)
+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);
 }
-EXPORT_SYMBOL(drm_vram_mm_mmap);
 
 /*
  * Helpers for integration with struct drm_device
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 52e3f2aff490..3c204f17a0b8 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -169,13 +169,6 @@ static inline struct drm_vram_mm *drm_vram_mm_of_bdev(
 	return container_of(bdev, struct drm_vram_mm, bdev);
 }
 
-int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev,
-		     uint64_t vram_base, size_t vram_size);
-void drm_vram_mm_cleanup(struct drm_vram_mm *vmm);
-
-int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma,
-		     struct drm_vram_mm *vmm);
-
 /*
  * Helpers for integration with struct drm_device
  */
-- 
2.23.0

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