And also check if you lcd is loaded and enabled.

# adb shell cat /sys/devices/omapdss/display0/enabled

connect ddms or screen cast and check if you have any compositions
happening in the frame buffer.

- Preetam


On Thu, Feb 9, 2012 at 11:01 PM, Zoltan Kuscsik <[email protected]> wrote:

> Check the framebuffer resolution in:
>
> # adb shell cat /sys/class/graphics/fb0/virtual_size
>
> Is your LCD display able to work with this resolution, did you tried
> to swap the HDMI-/DVI connector?
>
> Here you can check if the display is set to the right resolution/timing:
>
> # adb shell cat /sys/devices/omapdss/display0/timings
>
>
> Zoli
>
> On Thu, Feb 9, 2012 at 1:03 PM, carchangel <[email protected]>wrote:
>
>> hello everyone
>>
>>        I am using  the Blaze board to run Android 4.0 system which have
>> the
>> Linux kernel 3.0.8.
>>
>> the u-boot ,x-loader and kernel is downloaded and built by the
>> [L27.IS.2.P2 OMAP4 Icecream Sandwich Release Notes] which is recorded
>> in
>> http://omappedia.org/wiki/L27.IS.2.P2_OMAP4_Icecream_Sandwich_Release_Notes
>> .
>>
>> Now the kernel can start normally ,but the LCD scree only flashed once
>> at kernel starting. after starting ,the kernel always black.the strange
>> log is
>>
>>    6.706115] cannot apply mgr(lcd) on inactive device
>> [    6.711791] omapfb omapfb: failed to apply dispc config
>> [    6.720703] cannot apply mgr(tv) on inactive device
>> [    6.726257] omapfb omapfb: failed to apply dispc config
>> [    6.735015] cannot apply mgr(lcd2) on inactive device
>> [    6.740692] omapfb omapfb: failed to apply dispc config
>> anybody can give me some advise?
>> thanks
>> zhong yifeng
>>
>> --
>> unsubscribe: [email protected]
>> website: http://groups.google.com/group/android-kernel
>
>
>  --
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>



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