Hi Gerard i realy f* it up now :(
When i was testing my setup i finally found a tv that show me the screen at
1280x720(16:9)
but when i connect the vga convertor i see 1/2 screen @ the same
resolution. -> that's the problem why the other tv's won't show annything i
think.
I found that i need to edit the uENV.txt file to test other resolution
settings (only working at startup i know)
i putted the sdcard (beagle starts unbuntu) in my windows pc and added an
extra line for the resolution, the beagle din't show me anny screen, after
that even when i removed that extra line. the beagle still din't show
annything :(
I destoyed the file i gues :(
i uploaded the file.
When i can't fix this back i'm screwed my sister payed 500 eur for this
beagle +install (yea i know this is nuts) but there was this hdmi problem
and i'm a video guy so she asked to try to fix this but now this :(
i hope you can help me out here. :(
gr; johan
Op donderdag 12 december 2013 20:46:25 UTC+1 schreef Gerald:
>
> Not until the SW can let you do it. The DRM drive handles all of this and
> it uses the EDID to pick the resolution.
>
> Gerald.
>
>
> On Thu, Dec 12, 2013 at 12:13 PM, johan vermeire
> <[email protected]<javascript:>
> > wrote:
>
>> So there is no solution then :(
>>
>> gr; johan
>>
>> Op donderdag 12 december 2013 18:42:52 UTC+1 schreef Gerald:
>>>
>>> That would indeed be nice.
>>>
>>> Gerald
>>>
>>>
>>>
>>> On Thu, Dec 12, 2013 at 11:36 AM, johan vermeire <[email protected]>wrote:
>>>
>>>> Would it be possible to set a fixed resolution on the beagle.To
>>>> solve this problem?
>>>> How more i work with Hdmi how more i miss vga ...
>>>> gr. johan
>>>>
>>>> Op donderdag 12 december 2013 17:02:24 UTC+1 schreef Gerald:
>>>>>
>>>>> It depends on what the EDID reports. The DRM driver uses that
>>>>> information to select the highest resolution. VGA has its limis, that is
>>>>> why HDMI was created. So it is possible that there could be limits to
>>>>> waht
>>>>> the VGA can support on certain TVs. TVs as such are not always friendly
>>>>> to
>>>>> PC type displays.
>>>>>
>>>>> Gerald
>>>>>
>>>>>
>>>>>
>>>>> On Thu, Dec 12, 2013 at 9:21 AM, johan vermeire <[email protected]>wrote:
>>>>>
>>>>>> Btw the tv's that are not working behind the vga convertor, are
>>>>>> working when i use the HDMi connection.
>>>>>>
>>>>>> Op donderdag 12 december 2013 16:14:59 UTC+1 schreef johan vermeire:
>>>>>>
>>>>>>> Hi Gerald it looks like te convertor does his job :).
>>>>>>> It just does not work on certain tv's.
>>>>>>> Is it possible dat de beaglebone communicate with the convertor and
>>>>>>> choose then the highest resolution --> but unsupported by the tv's ?
>>>>>>> I'm not really at home with EDID . :s
>>>>>>>
>>>>>>> gr. johan
>>>>>>>
>>>>>>>
>>>>>> --
>>>>>> For more options, visit http://beagleboard.org/discuss
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>>>>>>
>>>>>
>>>>> --
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optargs=fixrtc loadfdt=ext4load mmc ${mmcdev}:2 ${fdtaddr}
/boot/dtbs/${fdtfile} loaduimage=mw.l 4804c134 fe1fffff; if ext4load mmc 0:2
${loadaddr} /boot/zImage; then mw.l 4804c194 01200000; echo Booting from
external microSD...; setenv mmcdev 0; else setenv mmcdev 1; if test $mmc0 = 1;
then setenv mmcroot /dev/mmcblk1p2 rw; fi; ext4load mmc 1:2 ${loadaddr}
/boot/zImage && mw.l 4804c194 00c00000; echo Booting from internal eMMC...; fi
mmcboot=run mmcargs; bootz ${loadaddr} - ${fdtaddr} uenvcmd=i2c mw 0x24 1 0x3e;
run findfdt; if test $board_name = A335BNLT; then setenv mmcdev 1; mmc dev
${mmcdev}; if mmc rescan; then setenv mmc1 1; else setenv mmc1 0; fi; fi;
setenv mmcdev 0; mmc dev ${mmcdev}; if mmc rescan; then setenv mmc0 1; else
setenv mmc0 0; fi; run loaduimage && run loadfdt && run mmcboot
