* [PATCH v2 6/7] i915/display/dp: send a more fine-grained link-status uevent
@ 2021-06-09 21:24 Simon Ser
0 siblings, 0 replies; only message in thread
From: Simon Ser @ 2021-06-09 21:24 UTC (permalink / raw)
To: dri-devel, amd-gfx; +Cc: pekka.paalanen, michel, alexander.deucher, intel-gfx
When link-status changes, send a hotplug uevent which contains the
connector and property ID. That way, user-space can more easily
figure out that only the link-status property of this connector has
been updated.
Signed-off-by: Simon Ser <contact@emersion.fr>
---
drivers/gpu/drm/i915/display/intel_dp.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 5c9222283044..0ce44a97dd14 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5276,6 +5276,8 @@ static void intel_dp_modeset_retry_work_fn(struct work_struct *work)
mutex_unlock(&connector->dev->mode_config.mutex);
/* Send Hotplug uevent so userspace can reprobe */
drm_kms_helper_hotplug_event(connector->dev);
+ drm_sysfs_connector_status_event(connector,
+ connector->dev->mode_config.link_status_property);
}
bool
--
2.31.1
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