diff options
Diffstat (limited to 'include/uapi/drm/xe_drm.h')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 83868af45984..6a991afc563d 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -418,6 +418,14 @@ struct drm_xe_vm_bind_op { * than differing the MAP to the page fault handler. */ #define XE_VM_BIND_FLAG_IMMEDIATE (0x1 << 18) + /* + * When the NULL flag is set, the page tables are setup with a special + * bit which indicates writes are dropped and all reads return zero. In + * the future, the NULL flags will only be valid for XE_VM_BIND_OP_MAP + * operations, the BO handle MBZ, and the BO offset MBZ. This flag is + * intended to implement VK sparse bindings. + */ +#define XE_VM_BIND_FLAG_NULL (0x1 << 19) /** @reserved: Reserved */ __u64 reserved[2]; |