drm/i915/dp: add 128b/132b support to link status checks

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Abstract link status check to a function that takes 128b/132b and 8b/10b
into account, and use it. Also dump link status on failures.

Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/cec395d435679a290a1c35fcbfc54555101bfad1.1643878928.git.jani.nikula@intel.com

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This commit is contained in:

Jani Nikula 2022-02-03 11:03:55 +02:00

parent a421d8a992

commit 3ee7fab0f3

3 changed files with 34 additions and 11 deletions

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39

drivers/gpu/drm/i915/display/intel_dp.c

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2

drivers/gpu/drm/i915/display/intel_dp_link_training.c

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4

drivers/gpu/drm/i915/display/intel_dp_link_training.h

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