[Bug 49402] [snb dp dongle] DP-to-dual-HDMI (link_train issue?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49402

--- Comment #20 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
OK I lied. I did spend a few moments thinking about the issue a bit more.

The BIOS N values are power of two. So assuming that power of two values are
somehow better, perhaps we can adjust the calculated M/N values a bit.
Something like this perhaps:

new_n = min(roundup_pow_of_two(n), 1 << 23);
new_m = m * new_n / n;

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