FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-28 20:37:27 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/i915: Initiate DP link training only on the lanes we'll be using

Browse Source 
Limit the link training setting command to the lanes needed for the
current mode. It seems vaguely possible that a monitor will try to
train the other lanes and fail in some way, so this seems like the
safer plan.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Keith Packard 2011-11-02 10:17:59 -07:00
parent f2e8b18af9
commit b34f1f0931
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/i915/intel_dp.c
View File

@ -1564,8 +1564,9 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
ret = intel_dp_aux_native_write(intel_dp,
DP_TRAINING_LANE0_SET,
intel_dp->train_set, 4);
if (ret != 4)
intel_dp->train_set,
intel_dp->lane_count);
if (ret != intel_dp->lane_count)
return false;
return true;