[Bug 110308] [KBL]Screen black with some specific refresh rate due to "out of frequency scope"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110308

--- Comment #3 from Ren Chenglei <chenglei.ren at intel.com> ---
We could get config error from the dmesg:

[ 5657.209872] [drm:pipe_config_err [i915]] mismatch in dp_m_n (expected tu 64
gmch 5190451/8388608 link 288358/524288, or tu 0 gmch 0/0 link 0/0, found tu
64, gmch 4325376/8388608 link 120149/262144)
[ 5657.209898] [drm:pipe_config_err [i915]] mismatch in
base.adjusted_mode.crtc_clock (expected 148500, found 74250)
[ 5657.209920] [drm:pipe_config_err [i915]] mismatch in port_clock (expected
270000, found 162000)

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