LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
* [PATCH 0/4] drm/dp_mst: drm_dp_check_act_status() fixes
@ 2020-04-03 20:07 Lyude Paul
  2020-04-03 20:07 ` [PATCH 1/4] drm/dp_mst: Improve kdocs for drm_dp_check_act_status() Lyude Paul
                   ` (3 more replies)
  0 siblings, 4 replies; 13+ messages in thread
From: Lyude Paul @ 2020-04-03 20:07 UTC (permalink / raw)
  To: dri-devel
  Cc: Daniel Vetter, David Airlie, Maarten Lankhorst, linux-kernel,
	Thomas Zimmermann, Maxime Ripard, Dave Airlie, Todd Previte

Noticed this while fixing some unrelated issues with NAKs being dropped
- we don't wait nearly long enough to receive ACTs from MST hubs in some
situations. Also, we take the time to refactor this function a bit.

This fixes some ACT timeouts I observed on an EVGA MST hub with i915.

Lyude Paul (4):
  drm/dp_mst: Improve kdocs for drm_dp_check_act_status()
  drm/dp_mst: Reformat drm_dp_check_act_status() a bit
  drm/dp_mst: Increase ACT retry timeout to 3s
  drm/dp_mst: Print errors on ACT timeouts

 drivers/gpu/drm/drm_dp_mst_topology.c | 50 ++++++++++++++++++---------
 1 file changed, 34 insertions(+), 16 deletions(-)

-- 
2.25.1


^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2020-04-06 22:11 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-04-03 20:07 [PATCH 0/4] drm/dp_mst: drm_dp_check_act_status() fixes Lyude Paul
2020-04-03 20:07 ` [PATCH 1/4] drm/dp_mst: Improve kdocs for drm_dp_check_act_status() Lyude Paul
2020-04-06 19:21   ` Sean Paul
2020-04-03 20:07 ` [PATCH 2/4] drm/dp_mst: Reformat drm_dp_check_act_status() a bit Lyude Paul
2020-04-06 19:23   ` Sean Paul
2020-04-06 19:27     ` Lyude Paul
2020-04-06 22:11     ` Lyude Paul
2020-04-03 20:07 ` [PATCH 3/4] drm/dp_mst: Increase ACT retry timeout to 3s Lyude Paul
2020-04-06 19:41   ` Sean Paul
2020-04-06 19:43     ` Lyude Paul
2020-04-06 19:48       ` Sean Paul
2020-04-03 20:07 ` [PATCH 4/4] drm/dp_mst: Print errors on ACT timeouts Lyude Paul
2020-04-06 19:43   ` Sean Paul

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).