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drm/ttm: also export ttm_bo_vm_fault v2

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That is needed by at least a cleanup in radeon.

v2: also export ttm_bo_vm_access

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/339353/
This commit is contained in:
Christian König 2019-09-27 14:34:24 +02:00 committed by Christian König
parent 4961eb60f1
commit 20c012b243
2 changed files with 11 additions and 3 deletions
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8
drivers/gpu/drm/ttm/ttm_bo_vm.c
View file

@ -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,

6
include/drm/ttm/ttm_bo_api.h
View file

@ -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