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Cubox-i framebuffer support



Hi Vagrant,

you updated https://wiki.debian.org/ArmHardFloatPort/CuBox-i with

"The 3.15.1-1~exp1+ kernel in experimental also includes support for 
framebuffer video over HDMI."

I run that kernel

rd@bokocube:~$ uname -a
Linux bokocube 3.15-trunk-armmp #1 SMP Debian 3.15.1-1~exp1 (2014-06-20) 
armv7l GNU/Linux
rd@bokocube:~$ 

and get console output on HDMI. It is not entirely aligned, i.e. at least on 
the left and bottom part of the screen a few colums and rows are missing.

X does not start though:

rd@bokocube:/var/log$ cat Xorg.0.log 
[     7.845] 
X.Org X Server 1.15.1
Release Date: 2014-04-13
[     7.845] X Protocol Version 11, Revision 0
[     7.845] Build Operating System: Linux 3.2.0-4-mx5 armv7l Debian
[     7.845] Current Operating System: Linux bokocube 3.15-trunk-armmp #1 SMP 
Debian 3.15.1-1~exp1 (2014-06-20) armv7l
[     7.845] Kernel command line: root=/dev/mmcblk0p2 rootfstype=ext4 ro 
rootwait console=ttymxc0,115200 video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 
cma=64 console=tty1 ahci_imx.hotplug=1
[     7.846] Build Date: 16 April 2014  12:30:00PM
[     7.846] xorg-server 2:1.15.1-1 (http://www.debian.org/support) 
[     7.846] Current version of pixman: 0.32.4
[     7.846]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[     7.846] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[     7.846] (==) Log file: "/var/log/Xorg.0.log", Time: Sat Jun 28 18:35:47 
2014
[     7.874] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[     7.886] (==) No Layout section.  Using the first Screen section.
[     7.886] (==) No screen section available. Using defaults.
[     7.886] (**) |-->Screen "Default Screen Section" (0)
[     7.886] (**) |   |-->Monitor "<default monitor>"
[     7.887] (==) No monitor specified for screen "Default Screen Section".
        Using a default monitor configuration.
[     7.887] (==) Automatically adding devices
[     7.887] (==) Automatically enabling devices
[     7.887] (==) Automatically adding GPU devices
[     7.897] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not 
exist.
[     7.897]    Entry deleted from font path.
[     7.897] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[     7.897]    Entry deleted from font path.
[     7.897] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[     7.897]    Entry deleted from font path.
[     7.897] (WW) The directory "/usr/share/fonts/X11/Type1" does not exist.
[     7.897]    Entry deleted from font path.
[     7.897] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[     7.897]    Entry deleted from font path.
[     7.897] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[     7.897]    Entry deleted from font path.
[     7.897] (==) FontPath set to:
        /usr/share/fonts/X11/misc,
        built-ins
[     7.897] (==) ModulePath set to "/usr/lib/xorg/modules"
[     7.897] (II) The server relies on udev to provide the list of input 
devices.
        If no devices become available, reconfigure udev or disable 
AutoAddDevices.
[     7.898] (II) Loader magic: 0xb6fd1ef8
[     7.898] (II) Module ABI versions:
[     7.898]    X.Org ANSI C Emulation: 0.4
[     7.898]    X.Org Video Driver: 15.0
[     7.898]    X.Org XInput driver : 20.0
[     7.898]    X.Org Server Extension : 8.0
[     7.898] (II) xfree86: Adding drm device (/dev/dri/card0)
[     7.899] Initializing built-in extension Generic Event Extension
[     7.899] Initializing built-in extension SHAPE
[     7.899] Initializing built-in extension MIT-SHM
[     7.899] Initializing built-in extension XInputExtension
[     7.899] Initializing built-in extension XTEST
[     7.899] Initializing built-in extension BIG-REQUESTS
[     7.899] Initializing built-in extension SYNC
[     7.899] Initializing built-in extension XKEYBOARD
[     7.899] Initializing built-in extension XC-MISC
[     7.899] Initializing built-in extension SECURITY
[     7.899] Initializing built-in extension XINERAMA
[     7.900] Initializing built-in extension XFIXES
[     7.900] Initializing built-in extension RENDER
[     7.900] Initializing built-in extension RANDR
[     7.900] Initializing built-in extension COMPOSITE
[     7.900] Initializing built-in extension DAMAGE
[     7.900] Initializing built-in extension MIT-SCREEN-SAVER
[     7.900] Initializing built-in extension DOUBLE-BUFFER
[     7.900] Initializing built-in extension RECORD
[     7.900] Initializing built-in extension DPMS
[     7.900] Initializing built-in extension Present
[     7.900] Initializing built-in extension DRI3
[     7.900] Initializing built-in extension X-Resource
[     7.900] Initializing built-in extension XVideo
[     7.900] Initializing built-in extension XVideo-MotionCompensation
[     7.900] Initializing built-in extension SELinux
[     7.900] Initializing built-in extension XFree86-VidModeExtension
[     7.900] Initializing built-in extension XFree86-DGA
[     7.901] Initializing built-in extension XFree86-DRI
[     7.901] Initializing built-in extension DRI2
[     7.901] (II) LoadModule: "glx"
[     7.905] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[     7.916] (II) Module glx: vendor="X.Org Foundation"
[     7.916]    compiled for 1.15.1, module version = 1.0.0
[     7.916]    ABI class: X.Org Server Extension, version 8.0
[     7.916] (==) AIGLX enabled
[     7.916] Loading extension GLX
[     7.916] (==) Matched modesetting as autoconfigured driver 0
[     7.916] (==) Matched fbdev as autoconfigured driver 1
[     7.916] (==) Assigned the driver to the xf86ConfigLayout
[     7.916] (II) LoadModule: "modesetting"
[     7.919] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[     7.923] (II) Module modesetting: vendor="X.Org Foundation"
[     7.924]    compiled for 1.15.1, module version = 0.9.0
[     7.924]    Module class: X.Org Video Driver
[     7.924]    ABI class: X.Org Video Driver, version 15.0
[     7.924] (II) LoadModule: "fbdev"
[     7.948] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[     7.950] (II) Module fbdev: vendor="X.Org Foundation"
[     7.950]    compiled for 1.15.0, module version = 0.4.4
[     7.950]    Module class: X.Org Video Driver
[     7.950]    ABI class: X.Org Video Driver, version 15.0
[     7.950] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[     7.951] (II) FBDEV: driver for framebuffer: fbdev
[     7.951] (++) using VT number 7

[     7.965] (II) modesetting(G0): using drv /dev/dri/card0
[     7.965] (WW) Falling back to old probe method for modesetting
[     7.965] (WW) Falling back to old probe method for fbdev
[     7.966] (II) Loading sub module "fbdevhw"
[     7.966] (II) LoadModule: "fbdevhw"
[     7.966] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[     7.968] (II) Module fbdevhw: vendor="X.Org Foundation"
[     7.968]    compiled for 1.15.1, module version = 0.0.2
[     7.968]    ABI class: X.Org Video Driver, version 15.0
[     7.968] (EE) No devices detected.
[     7.968] (EE) 
Fatal server error:
[     7.968] (EE) no screens found(EE) 
[     7.969] (EE) 
Please consult the The X.Org Foundation support 
         at http://wiki.x.org
 for help. 
[     7.969] (EE) Please also check the log file at "/var/log/Xorg.0.log" for 
additional information.
[     7.969] (EE) 
rd@bokocube:/var/log$ 

Is that the same for you or do you have X.org running?

Also in dmsg I see

rd@bokocube:/var/log$ dmesg |grep hdmi
[    0.000000] Kernel command line: root=/dev/mmcblk0p2 rootfstype=ext4 ro 
rootwait console=ttymxc0,115200 video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24 
cma=64 console=tty1 ahci_imx.hotplug=1
[    4.651954] imx_hdmi: module is from the staging directory, the quality is 
unknown, you have been warned.
[    4.933072] imx-hdmi 120000.hdmi: Detected HDMI controller 
0x13:0xa:0xa0:0xc1
[    5.074863] imx-drm display-subsystem.10: bound 120000.hdmi (ops 
imx_hdmi_driver_exit [imx_hdmi])
rd@bokocube:/var/log$ 


Thanks,
Rainer

-- 
Rainer Dorsch
http://bokomoko.de/


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