[Bug 100755] [HSW] linux next-20170407+ boots to a blank screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100755

--- Comment #17 from Rafael Ristovski <rafael.ristovski at gmail.com> ---
You can see a clear difference:

Good:
[1.695231] [drm:intel_dump_pipe_config] dp m_n: lanes: 2; gmch_m: 2428257,
gmch_n: 8388608, link_m: 134903, link_n: 524288, tu: 64

[1.710939] [drm:intel_dump_pipe_config] dp m_n: lanes: 2; gmch_m: 2422210,
gmch_n: 8388608, link_m: 134567, link_n: 524288, tu: 64


Bad:
[1.692824] [drm:intel_dump_pipe_config] dp m_n: lanes: 2; gmch_m: 2428257,
gmch_n: 8388608, link_m: 134903, link_n: 524288, tu: 64

[1.708518] [drm:intel_dump_pipe_config] dp m_n: lanes: 2; gmch_m: 302776,
gmch_n: 1048576, link_m: 33642, link_n: 131072, tu: 64

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