From 075da47d122522b66dc87528199a8aaf363309aa Mon Sep 17 00:00:00 2001
From: Johnny on Flame <johnnyonflame@hotmail.com>
Date: Sun, 6 Aug 2023 20:55:04 +0000
Subject: [PATCH 2/7] Force VSync when using KMSDRM.

---
 src/video/SDL_egl.c                   | 2 +-
 src/video/kmsdrm/SDL_kmsdrmopengles.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/video/SDL_egl.c b/src/video/SDL_egl.c
index 8e5f165b5..e270429b1 100644
--- a/src/video/SDL_egl.c
+++ b/src/video/SDL_egl.c
@@ -1044,7 +1044,7 @@ SDL_GLContext SDL_EGL_CreateContext(_THIS, EGLSurface egl_surface)
         return NULL;
     }
 
-    _this->egl_data->egl_swapinterval = 0;
+    _this->egl_data->egl_swapinterval = 1;
 
     if (SDL_EGL_MakeCurrent(_this, egl_surface, egl_context) < 0) {
         /* Delete the context */
diff --git a/src/video/kmsdrm/SDL_kmsdrmopengles.c b/src/video/kmsdrm/SDL_kmsdrmopengles.c
index 8dc2bfdc6..487168203 100644
--- a/src/video/kmsdrm/SDL_kmsdrmopengles.c
+++ b/src/video/kmsdrm/SDL_kmsdrmopengles.c
@@ -76,6 +76,7 @@ SDL_EGL_CreateContext_impl(KMSDRM)
         return SDL_SetError("EGL not initialized");
     }
 
+    interval = 1;
     if (interval == 0 || interval == 1) {
         _this->egl_data->egl_swapinterval = interval;
     } else {
-- 
2.20.1