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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-12-13 20:54:14 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-12-13 23:36:29 +0100 |
| commit | 2dd85aeb5bc99e3763dd192cdb95ff405a102c8a (patch) | |
| tree | 0e2615e1e6a62167a577beb6959fc0aa4ef39f25 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 3bed7f4dd3c9047557d7b64bb155bc79afa26e96 (diff) | |
| download | op-kernel-dev-2dd85aeb5bc99e3763dd192cdb95ff405a102c8a.zip op-kernel-dev-2dd85aeb5bc99e3763dd192cdb95ff405a102c8a.tar.gz | |
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
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6c05a2b..45ebc96 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -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 */ |
