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-rw-r--r--src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h b/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h
index 56070a1ba10..89bbf17ce99 100644
--- a/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h
+++ b/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h
@@ -52,14 +52,16 @@
/**
* DRM_VMW_GET_PARAM - get device information.
*
- * Currently we support only one parameter:
- *
* DRM_VMW_PARAM_FIFO_OFFSET:
* Offset to use to map the first page of the FIFO read-only.
* The fifo is mapped using the mmap() system call on the drm device.
+ *
+ * DRM_VMW_PARAM_OVERLAY_IOCTL:
+ * Does the driver support the overlay ioctl.
*/
#define DRM_VMW_PARAM_FIFO_OFFSET 0
+#define DRM_VMW_PARAM_OVERLAY_IOCTL 1
/**
* struct drm_vmw_getparam_arg