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-rw-r--r--linux-core/drmP.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 5bc4887a..2f0791c0 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -302,6 +302,7 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
#define DRM_AUTH 0x1
#define DRM_MASTER 0x2
#define DRM_ROOT_ONLY 0x4
+#define DRM_CONTROL_ALLOW 0x8 // allow ioctl to operate on control node
struct drm_ioctl_desc {
unsigned int cmd;