[Bug 96614] [BAT BDW] *ERROR* failed to enable link training/failed to start channel equalization

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Sep 15 09:18:12 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=96614

--- Comment #13 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Manasi from comment #12)
> The LSPCON patches would make a difference only if the LSPCON chip
> (Megachips) is present on the motherboard and is enabled in the firmware.
> This is basically an active level shifter for HDMI signals to DP.

To be more specific, LSPCON stands for Level Shifter / Protocol Converter, with
two modes. Level shifter for DP dual-mode to drive HDMI 1.4 signal. Protocol
Converter to convert DP to HDMI 2.0.

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