diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 0630e0f64b9c..f693b5b5b7ab 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -80,6 +80,20 @@ extern "C" {
 #define  DRM_MODE_FLAG_SUPPORTS_RGB		(1<<20)
 #define  DRM_MODE_FLAG_SUPPORTS_YUV		(1<<21)
 
+/* Picture aspect ratio options */
+#define DRM_MODE_PICTURE_ASPECT_NONE		0
+#define DRM_MODE_PICTURE_ASPECT_4_3		1
+#define DRM_MODE_PICTURE_ASPECT_16_9		2
+
+/* Aspect ratio flag bitmask (4 bits 27:24) */
+#define DRM_MODE_FLAG_PIC_AR_MASK		(0x0F<<24)
+#define  DRM_MODE_FLAG_PIC_AR_NONE \
+			(DRM_MODE_PICTURE_ASPECT_NONE<<24)
+#define  DRM_MODE_FLAG_PIC_AR_4_3 \
+			(DRM_MODE_PICTURE_ASPECT_4_3<<24)
+#define  DRM_MODE_FLAG_PIC_AR_16_9 \
+			(DRM_MODE_PICTURE_ASPECT_16_9<<24)
+
 /* DPMS flags */
 /* bit compatible with the xorg definitions. */
 #define DRM_MODE_DPMS_ON	0
@@ -94,11 +108,6 @@ extern "C" {
 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
 
-/* Picture aspect ratio options */
-#define DRM_MODE_PICTURE_ASPECT_NONE	0
-#define DRM_MODE_PICTURE_ASPECT_4_3	1
-#define DRM_MODE_PICTURE_ASPECT_16_9	2
-
 /* Dithering mode options */
 #define DRM_MODE_DITHERING_OFF	0
 #define DRM_MODE_DITHERING_ON	1