Skip to content

Commit

Permalink
drm/i915: tune down the fast link training vs boot fail
Browse files Browse the repository at this point in the history
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
  • Loading branch information
Daniel Vetter committed Dec 13, 2016
1 parent 3bed7f4 commit 2dd85ae
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions drivers/gpu/drm/i915/intel_dp.c
Original file line number Diff line number Diff line change
Expand Up @@ -4052,8 +4052,8 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
return;

/* FIXME: we need to synchronize this sort of stuff with hardware
* readout */
if (WARN_ON_ONCE(!intel_dp->lane_count))
* readout. Currently fast link training doesn't work on boot-up. */
if (!intel_dp->lane_count)
return;

/* if link training is requested we should perform it always */
Expand Down

0 comments on commit 2dd85ae

Please sign in to comment.