[gnome-continuous-yocto/gnomeostree-3.28-rocko: 5581/8267] meta-yocto-bsp: workaround the X malfunction on beaglebone

[Emmanuele Bassi <ebassi src gnome org>]

commit e7434c17b4b3d984e11611ee7c2143a7b4557a67
Author: Kevin Hao <kexin hao windriver com>
Date:   Sat Apr 8 21:45:59 2017 +0800

    meta-yocto-bsp: workaround the X malfunction on beaglebone
    
    After the change in kernel commit a291b6b3d287 ("ARM: dts:
    am335x-boneblack: Add blue-and-red-wiring -property to LCDC node"),
    the pixel format we support for 32bit bpp has been changed from
    XRGB8888 to XBGR8888. But the fbdev created by modesetting driver use
    the XRGB8888 format by default, this causes the X malfunction. There is
    no easy way to adjust the pixel format of the fbdev created by the
    modesetting driver. So we create a xorg.conf to use the 16bit bpp to
    work around this issue.
    
    [YOCTO #11267]
    
    (From meta-yocto rev: 1ef8a9584298a8745a28c0c92fa3ecbf92ffe494)
    
    Signed-off-by: Kevin Hao <kexin hao windriver com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 .../xserver-xf86-config/beaglebone/xorg.conf       |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)
---
diff --git a/meta-yocto-bsp/recipes-graphics/xorg-xserver/xserver-xf86-config/beaglebone/xorg.conf 
b/meta-yocto-bsp/recipes-graphics/xorg-xserver/xserver-xf86-config/beaglebone/xorg.conf
new file mode 100644
index 0000000..2f40dae
--- /dev/null
+++ b/meta-yocto-bsp/recipes-graphics/xorg-xserver/xserver-xf86-config/beaglebone/xorg.conf
@@ -0,0 +1,20 @@
+Section "Monitor"
+        Identifier      "Builtin Default Monitor"
+EndSection
+
+Section "Device"
+        Identifier      "Builtin Default fbdev Device 0"
+        Driver  "modesetting"
+EndSection
+
+Section "Screen"
+        Identifier      "Builtin Default fbdev Screen 0"
+        DefaultDepth    16
+        Device  "Builtin Default fbdev Device 0"
+        Monitor "Builtin Default Monitor"
+EndSection
+
+Section "ServerLayout"
+        Identifier      "Builtin Default Layout"
+        Screen  "Builtin Default fbdev Screen 0"
+EndSection