hdmi out

[Barry Vercoe]

Jon, yes the file exists on our system here.  Contains just a zero.
-- barry

On 18/08/2013 6:18 p.m., Jon Nettleton wrote:
>
>
>
> On Sun, Aug 18, 2013 at 7:57 AM, Barry Vercoe <barry at laptop.org.au 
> <mailto:barry at laptop.org.au>> wrote:
>
>     Of Course!!  I used to have that problem when I played long Csound
>     demos -- overworking the Flt Pt processor yet untouched by human
>     hands ... I don't know why I didn't relate the two situations.
>
>     Turned off power saving, and the problem immediately went away.
>     No, power saving doesn't turn off automatically when hdmi is
>     plugged in.  Perhaps it should ...
>     Or at least we should have a warning distributed with the hdmi
>     cable that the port will turn off after 15 seconds with power
>     saving on.
>
>
> Could you check something quick for me.  Does the status 
> file /sys/devices/d420b000.display/pxa168fb_gfx.1/hpd exist on your 
> system?
>
> Thanks
>
>     Thanks all.
>     -- b
>
>     On 18/08/2013 5:26 p.m., Tom Parker wrote:
>>     On 18/08/13 17:05, Barry Vercoe wrote:
>>>     OK, with tail -f ... messages, I do see a burst of messages and the
>>>     projector shows the exact screen.  But only for 15 seconds, when
>>>     the
>>>     projector then goes blank and reverts to _No Signal_ until I touch
>>>     something on the XO like the screen, track pad or some key. 
>>>     Apparently
>>>     the XO has stopped sending hdmi signals, so the projector is
>>>     reporting
>>>     exactly that.
>>
>>     When the display goes blank, does the power light start flashing
>>     to indicate the laptop has gone to sleep?
>>
>>     Try turning off power saving in the settings. When I was testing,
>>     the power saving automatically turned off when I plugged in an
>>     external display and turned on again when I unplugged it, but
>>     perhaps this isn't working on your laptop?
>
>
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