drm/i915: tune down the fast link training vs boot fail
It's been unfixed since a while and no one is immediately working on
this. And we have the FIXME already. And now also a task in the DP
team's backlog.
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@vger.kernel.org
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
References: https://lists.freedesktop.org/archives/intel-gfx/2016-July/101951.html
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Adjust comment per Ville's feedback.]
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161213195414.28923-1-daniel.vetter@ffwll.ch
(cherry picked from commit 2dd85aeb5b
)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
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@ -4014,8 +4014,8 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
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return;
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/* FIXME: we need to synchronize this sort of stuff with hardware
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* readout */
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if (WARN_ON_ONCE(!intel_dp->lane_count))
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* readout. Currently fast link training doesn't work on boot-up. */
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if (!intel_dp->lane_count)
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return;
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/* if link training is requested we should perform it always */
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