| commit | 61da5fab5a9b129cf05b1fe4666c3e45b3103fd4 | [log] [tgz] |
|---|---|---|
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | Thu Jul 07 11:10:57 2011 -0700 |
| committer | Keith Packard <keithp@keithp.com> | Thu Jul 07 13:38:27 2011 -0700 |
| tree | d32b39d60881878ae7df4818a9387a884b7fba78 | |
| parent | fe0d42203cb5616eeff68b14576a0f7e2dd56625 [diff] |
drm/i915/dp: retry link status read 3 times on failure Especially after a hotplug or power status change, the sink may not reply immediately to a link status query. So retry 3 times per the spec to really make sure nothing is there. See section 9.1 of the 1.1a DisplayPort spec. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>