drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER
authorJani Nikula <jani.nikula@intel.com>
Fri, 20 Sep 2013 13:42:15 +0000 (16:42 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 24 Sep 2013 18:38:54 +0000 (20:38 +0200)
commit8d16f258217f2f583af1fd57c5144aa4bbe73e48
tree536235254193891b489aaeb6dc870f0afda84852
parente29bb4ebbf000ff9ac081d29784a3331618f012e
drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER

There is no clear cut rules or specs for the retry interval, as there
are many factors that affect overall response time. Increase the
interval, and even more so on branch devices which may have limited i2c
bit rates.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reference: https://bugs.freedesktop.org/show_bug.cgi?id=60263
Tested-by: Nicolas Suzor <nic@suzor.com>
Reviewed-by: Todd Previte <tprevite@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_dp.c