From: Christian König <ckoenig.leichtzumerken@xxxxxxxxx>
That is needed by at least a cleanup in radeon.
v2: also export ttm_bo_vm_access
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo_vm.c | 8 +++++---
include/drm/ttm/ttm_bo_api.h | 6 ++++++
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 91466cfb6f16..e6495ca2630b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -308,7 +308,7 @@ vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
}
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;
@@ -328,6 +328,7 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
return ret;
}
+EXPORT_SYMBOL(ttm_bo_vm_fault);
void ttm_bo_vm_open(struct vm_area_struct *vma)
{
@@ -387,8 +388,8 @@ static int ttm_bo_vm_access_kmap(struct ttm_buffer_object *bo,
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;
@@ -424,6 +425,7 @@ static int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
return ret;
}
+EXPORT_SYMBOL(ttm_bo_vm_access);
static const struct vm_operations_struct ttm_bo_vm_ops = {
.fault = ttm_bo_vm_fault,
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index e8b0f0c66059..66ca49db9633 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -734,7 +734,13 @@ vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
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
--
2.20.1
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