tiomap-dev team mailing list archive

[Rob Clark <919395@xxxxxxxxxxxxxxxxxx>]

one other thought.. if you have an alternative cable, could you try it?
I wouldn't really have expected a cable problem, but I guess in theory a
bad HDMI cable could cause the same result.

Anyways, IIRC, you are seeing this with multiple monitors/TVs which
makes me not suspect an issue with particular display.  That just leaves
the sw DDC pull-up issue I mentioned (which should be fixed in latest
kernels, as far as I know), or hw issue (cable or board).  And trying a
different cable is probably easier than trying a different board.

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https://bugs.launchpad.net/bugs/919395

Title:
  Panda: only low resolution on 1080p plasma

Status in Linaro Texas Instruments Landing Team:
  Confirmed
Status in Linaro Ubuntu Evaluation Builds:
  Confirmed

Bug description:
  Installed the linarotv image 20120114-2 and hwpack_linaro-lt-panda-x11-base_20120106-1 on a Pandaboard ES with linaro-media-create.
  After boot installed ubuntu-omap4-extras-multimedia.
  Then did a dist-upgrade on Jan 21. 20:45CET

  HDMI connected to a Yamaha RX-V1800 audio-video-receiver and from
  there to a 1080p plasma TV.

  The resulting screen resolution was only 720×576@50 and xbmc does not offer any further resolutions or refresh rates.
  The EDID sent by the Yamaha AVR includes many resolutions up to 1080p (verified with SwitchResX on a MacBook).

  Attached boot log with options omapdss.debug=1 drm.debug=7 and EDID

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