[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 #18 from Swati Sharma <swati2.sharma at intel.com> ---
(In reply to Ren Chenglei from comment #14)
> (In reply to Clinton Taylor from comment #13)
> > I updated my KBL NUC with Kernel 5.1.0-rc4 and have not been able to
> > reproduce this issue.
> 
> Hi Clint, we tried with 5.1.0-rc3, and could reproduce this issue. Maybe
> this is related with specific display(ViewSonic TD2230)?
> When the issue is reproduced, we could get the following log:
> 
> [ 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)

Hi Ren, 

Can you please attach display_info aswell?

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