[Intel-gfx] DP1 Monitor Flashes

[Raul Dias]

Hello,

The dmesg for the boot is this:
http://pastebin.com/aXJQiprL


The dmesg when the flashing started to occur:
http://pastebin.com/GkRcpK80

I kept the config a simple as possible.  No bumblebee, just LVDS1 and DP1
without adaptors.

my Xorg.0.log is this:
http://pastebin.com/2vK37TNr



Thanks!
-rsd


2013/12/10 Jani Nikula <jani.nikula at linux.intel.com>

> On Mon, 09 Dec 2013, Raul Dias <raul at dias.com.br> wrote:
> > Hello,
> >
> > I have a Dell L502x which have a optimus Graphic Pack:
> >
> > 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
> > Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA
> > controller])
> >         Subsystem: Dell Device 050e
> >         Flags: bus master, fast devsel, latency 0, IRQ 51
> >         Memory at f1400000 (64-bit, non-prefetchable) [size=4M]
> >         Memory at e0000000 (64-bit, prefetchable) [size=256M]
> >         I/O ports at 4000 [size=64]
> >         Expansion ROM at <unassigned> [disabled]
> >         Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
> >         Capabilities: [d0] Power Management version 2
> >         Capabilities: [a4] PCI Advanced Features
> >         Kernel driver in use: i915
> >
> >
> > Using driver:
> >          2.99.905+git20131023.b70390b4
> >
> > When I use a DELL U2713HM Monitor on the DisplayPort,  it will flash
> blank
> > for 5 seconds in a 10 minutes interval.
> > The monitor is at 2560x1440 (60hz).
> >
> > This is not ideal, but I can live with.
> >
> >
> > The big problem is when using bumblebee with intel-virtual-output -b.
> >
> > In this case the monitor will enter in energy save state instead.
> >
> > The only way back is to turn it off and on with xrandr:
> >
> >      xrandr --output DP1 --off
> >      xrandr --output DP1 --auto
> >
> > The odd thing is if I use instead a Mini DisplayPort  adapter to a Dual
> DVI
> > output, this problem will not happen.
> >
> > The downside of this solution is that I will need to add a new mode at
> 41hz
> > with:
> >
> >      xrandr --newmode "2560x1440_41"    162.00 2560 2608 2640 2720 1440
> > 1443 1448 1468 +hsync +vsync
> >
> >
> > So, What I am looking at is the source of the problem:
> >
> > If the source of the problem is the driver, which debug information
> should
> > I provide?
>
> Please provide dmesg with drm.debug=0xe module parameter from early boot
> to the problem. If the problem takes a long time to reproduce, you can
> provide two dmesgs, one from early boot and another covering the
> problem.
>
> BR,
> Jani.
>
>
> >
> > Or is it a problem with the DP of the monitor?
> >
> > Or a problem with the Display Card?
> >
> > Or should I lower the frequency in the DisplayPort (as with the DVI)?
> >
> >
> > thanks
> > -rsd
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Jani Nikula, Intel Open Source Technology Center
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20131210/7fa00b9e/attachment.html>