drm/ttm: also export ttm_bo_vm_fault v2

That is needed by at least a cleanup in radeon.

v2: also export ttm_bo_vm_access

Signed-off-by: Christian König <[e-mail]>
Reviewed-by: Huang Rui <[e-mail]>
Acked-by: Alex Deucher <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/339353/

drivers/gpu/drm/ttm/ttm_bo_vm.c

···
 }
 EXPORT_SYMBOL(ttm_bo_vm_fault_reserved);
 
-static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
+vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
 {
 	struct vm_area_struct *vma = vmf->vma;
 	pgprot_t prot;
···
 
 	return ret;
 }
+EXPORT_SYMBOL(ttm_bo_vm_fault);
 
 void ttm_bo_vm_open(struct vm_area_struct *vma)
 {
···
 	return len;
 }
 
-static int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
-			    void *buf, int len, int write)
+int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
+		     void *buf, int len, int write)
 {
 	unsigned long offset = (addr) - vma->vm_start;
 	struct ttm_buffer_object *bo = vma->vm_private_data;
···
 
 	return ret;
 }
+EXPORT_SYMBOL(ttm_bo_vm_access);
 
 static const struct vm_operations_struct ttm_bo_vm_ops = {
 	.fault = ttm_bo_vm_fault,

include/drm/ttm/ttm_bo_api.h

···
 				    pgprot_t prot,
 				    pgoff_t num_prefault);
 
+vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf);
+
 void ttm_bo_vm_open(struct vm_area_struct *vma);
 
 void ttm_bo_vm_close(struct vm_area_struct *vma);
+
+int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
+		     void *buf, int len, int write);
+
 #endif