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-rw-r--r--include/uapi/drm/drm_mode.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index def54f9..a0db2d4a 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -88,6 +88,11 @@
#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