Add support for Odroid Go 3 in DTBO generation and enable framebuffer emulation

config/mipi-generator/archr-dtbo.py

@@ -337,6 +337,10 @@ def make_dtbo(dtb_data, args):
 
     compat = dt.get_node('/').get_property('compatible').data[0]
     args['logger'].info(f"compatible {compat}")
+    if 'odroidgo3' in compat:
+        # R36S base DTS already has reset-gpios, power-supply, backlight
+        # Only the panel description/timings/init-sequence are needed in overlay
+        return overlay.to_dtb()
 
     # copy reset config
     pins_path = panel_ovl.path+'/__overlay__/pinctrl/gpio-lcd/lcd-rst'

projects/ArchR/devices/RK3326/linux/linux.aarch64.conf

@@ -3609,7 +3609,7 @@ CONFIG_DRM_KMS_HELPER=y
 # CONFIG_DRM_DEBUG_MODESET_LOCK is not set
 CONFIG_DRM_CLIENT_SELECTION=y
 CONFIG_DRM_CLIENT_SETUP=y
-# CONFIG_DRM_FBDEV_EMULATION is not set
+CONFIG_DRM_FBDEV_EMULATION=y
 CONFIG_DRM_FBDEV_OVERALLOC=200
 # CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM is not set
 # CONFIG_DRM_LOAD_EDID_FIRMWARE is not set