[Bug 98491] [HSW] i915 only uses 165MHz for HDMI port

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98491

Karol Herbst <karolherbst at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |REOPENED

--- Comment #21 from Karol Herbst <karolherbst at gmail.com> ---
(In reply to Elizabeth from comment #19)
> Hello Karol, sorry for pestering, but is there any update on this? Thank you.

so I've tried again today.

with kernel 4.12.8 there seems to be no change and I don't get any >165MHz
Modelines added automatically. Rarely I also get this in dmesg:

[  462.503734] [drm:drm_scdc_set_high_tmds_clock_ratio] *ERROR* Failed to read
tmds config, err=-6
[  462.503739] [drm:intel_hdmi_handle_sink_scrambling] *ERROR* Set TMDS ratio
failed

The display provided 300MHz Modelines can be used over HDMI if added manually
with xrandr.

All <=540 MHz modelines can be used with my active HDMI to DP adapter.

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