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drm/xe: Add xe_bo_vm_access

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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@linux.intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241126174615.2665852-2-matthew.brost@intel.com
This commit is contained in:
Matthew Brost
2024-11-26 09:46:08 -08:00
parent febc689b27
commit f85dc3c5ab
1 changed files with 16 additions and 1 deletions
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17
drivers/gpu/drm/xe/xe_bo.c
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@@ -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 = {