Weston with fbdev-backend shows blank screen on display

[saikishore]

Hi,
I have ran weston with fbdev-backend  on my embedded platform with no input
devices (evdev is not enabled) and the below is log and i see blank screen.
Any advice on this please? it will be great help to me


#  weston-launch -- --backend=fbdev-backend.so


Date: 1970-01-01 UTC



[00:00:00.439] weston 1.7.0



               http://wayland.freedesktop.org



               Bug reports to: https://bugs.freedesktop.org/
enter_bug.cgi?product=Wayland&component=weston&version=1.7.0



               Build: 1.6.93-9-gdbd8606 configure.ac: bump to version 1.7.0
for release (2015-02-13 20:47:09 -0800)



[00:00:00.439] OS: Linux, 4.1.10+, #6 PREEMPT Wed Jul 26 10:54:06 IST 2017,
aarch64



[00:00:00.440] Starting with no config file.



[00:00:00.440] Loading module '/usr/lib/weston/fbdev-backend.so'



[00:00:00.443] initializing fbdev backend



[00:00:00.445] Creating fbdev output.



[00:00:00.445] Opening fbdev frame buffer.



[00:00:00.445] Calculating pixman format from:



                - type: 0 (aux: 0)



                - visual: 2



                - bpp: 32 (grayscale: 0)



                - red: offset: 16, length: 8, MSB: 0



                - green: offset: 8, length: 8, MSB: 0



                - blue: offset: 0, length: 8, MSB: 0



                - transp: offset: 24, length: 8, MSB: 0



[00:00:00.445] Mapping fbdev frame buffer.



[00:00:00.445] fbdev output 1280×720 px



               guessing 60 Hz and 96 dpi



[00:00:00.447] warning: no input devices on entering Weston. Possible
causes:



- no permissions to read /dev/input/event*



- seats misconfigured (Weston backend option 'seat', udev device property
ID_SEAT)



[00:00:00.447] Compositor capabilities:



               arbitrary surface rotation: yes



               screen capture uses y-flip: yes



               presentation clock: CLOCK_MONOTONIC_RAW, id 4



[00:00:00.447] Loading module '/usr/lib/weston/desktop-shell.so'



[00:00:00.471] launching '/usr/libexec/weston-desktop-shell'


thanks
saikishore
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