From c4572178b981bb5a45b0f01694b6276012d82d0b Mon Sep 17 00:00:00 2001
From: itsmattkc <34096995+itsmattkc@users.noreply.github.com>
Date: Sat, 1 Aug 2026 12:26:10 -0700
Subject: [PATCH] gui: define DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP if not defined

---
 gui/ui/ui_sdl_drm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gui/ui/ui_sdl_drm.c b/gui/ui/ui_sdl_drm.c
index 5218065..b5e5e42 100644
--- a/gui/ui/ui_sdl_drm.c
+++ b/gui/ui/ui_sdl_drm.c
@@ -12,6 +12,10 @@
 
 #include "platform.h"
 
+#ifndef DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP
+#define DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP 0x15
+#endif
+
 #define MAX_HANDLE_CACHE 32
 typedef struct {
     int fd;