drm/i915: Kill the remaining CHV HBR2 leftovers
AFAIK CHV was supposed to have HBR2 originally, but in the end the feature was dropped. We still have some code leftovers from those early days. Eliminate them. The extra bit for the training pattern seems to be dead in the hardware. I can set it (in fact I can set almost any reserved bit in the registers) but it doesn't seem to interfere with the operation of the hardware. Either that or I'm very lucky that my displays complete link training with the incorrect pattern being sent out. Signed-off-by:Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180302095656.19662-1-ville.syrjala@linux.intel.com Reviewed-by:
Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
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e4006713
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