Fix handling of gpu_mem to match raspi-config

README.md

@@ -0,0 +1,28 @@
+# rc_gui
+
+GUI for configuring Raspberry Pi settings. (Including Raspberry Pi Desktop for PC/Mac).
+
+Uses the command-line equivalent, [`raspi-config`](https://github.com/RPi-Distro/raspi-config), internally for some operations.
+
+## Building
+
+Install prerequisites:
+
+```bash
+sudo apt update
+sudo apt install autoconf libglib2.0-dev autogen libtool intltool libgtk2.0-dev
+```
+
+Configure and build:
+
+```bash
+./autogen.sh
+./configure
+make
+```
+
+Install data files:
+
+```bash
+sudo make install
+```

src/rc_gui.c

@@ -274,8 +274,10 @@ static int get_gpu_mem (void)
         mem = get_status (GET_GPU_MEM_256);
 
     if (mem == 0) mem = get_status (GET_GPU_MEM);
-    if (mem == 0) mem = get_status (DEFAULT_GPU_MEM);
-    if (mem == 0) mem = 64;
+    if (mem == 0 && get_total_mem() <= 1008)
+        mem = 64;
+    else
+        mem = 76;
     return mem;
 }