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[Bug 1295032] Re: 3840x2160 fails with 30Hz with HDMI


I have built some test kernels with that patch applied, can you test
these kernels and confirm they resolve the issue.  Kernels are at the
URL below:


Please report any testing here.

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  3840x2160 fails with 30Hz with HDMI

Status in “linux” package in Ubuntu:

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:

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