From 7ba3ff9c127fe4f7ff16b318d97cc358ec3c24d2 Mon Sep 17 00:00:00 2001
From: vanfanel <redwindwanderer@gmail.com>
Date: Thu, 5 Jan 2017 23:47:33 +0100
Subject: [PATCH] DISPMANX: Fix hang when null frame is passed (TyrQuake core)

---
 gfx/drivers/dispmanx_gfx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gfx/drivers/dispmanx_gfx.c b/gfx/drivers/dispmanx_gfx.c
index 5e05be6688..932bd4f602 100644
--- a/gfx/drivers/dispmanx_gfx.c
+++ b/gfx/drivers/dispmanx_gfx.c
@@ -435,6 +435,9 @@ static bool dispmanx_gfx_frame(void *data, const void *frame, unsigned width,
    struct dispmanx_video *_dispvars = data;
    float aspect = video_driver_get_aspect_ratio();
 
+   if (!frame)
+      return true;
+
    if (width != _dispvars->core_width || height != _dispvars->core_height || _dispvars->aspect_ratio != aspect)
    {
       /* Sanity check. */