[PATCH v3 6/6] i915/display/dp: send a more fine-grained link-status uevent

[Ville Syrjälä]

On Fri, Oct 15, 2021 at 04:33:46PM +0000, Simon Ser wrote:
> 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 at 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 04175f359fd6..afbe34b6e5be 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5264,6 +5264,8 @@ 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);

So we're now doing two uevents back to back? Is one not enough?

>  }
>  
>  bool
> -- 
> 2.33.1
> 

-- 
Ville Syrjälä
Intel