Add xe_bo_vm_access which is wrapper around ttm_bo_vm_access which takes
rpm refs for device access.
Suggested-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/xe/xe_bo.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index ec070af12662..aaf54131c89e 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -1249,11 +1249,26 @@ static vm_fault_t xe_gem_fault(struct vm_fault *vmf)
return ret;
}
+static int xe_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
+ void *buf, int len, int write)
+{
+ struct ttm_buffer_object *ttm_bo = vma->vm_private_data;
+ struct xe_bo *bo = ttm_to_xe_bo(ttm_bo);
+ struct xe_device *xe = xe_bo_device(bo);
+ int ret;
+
+ xe_pm_runtime_get(xe);
+ ret = ttm_bo_vm_access(vma, addr, buf, len, write);
+ xe_pm_runtime_put(xe);
+
+ return ret;
+}
+
static const struct vm_operations_struct xe_gem_vm_ops = {
.fault = xe_gem_fault,
.open = ttm_bo_vm_open,
.close = ttm_bo_vm_close,
- .access = ttm_bo_vm_access
+ .access = xe_bo_vm_access,
};
static const struct drm_gem_object_funcs xe_gem_object_funcs = {
--
2.34.1
