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[Launchpad Bug Tracker <1295032@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1295032

Title:
  3840x2160 fails with 30Hz with HDMI

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  The radeon graphics card driver assumes any pixel clock speed over
  165000 should be using Dual-Link DVI, although the speeds are possible
  over HDMI as of HDMI 1.3.

  The fix, as well as a link to a more detailed bug report, can be found here:
  https://github.com/torvalds/linux/commit/d03874c881a049a50e12f285077ab1f9fc2686e1

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