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From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Simon Ser <contact@emersion.fr>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v3 6/6] i915/display/dp: send a more fine-grained link-status uevent
Date: Fri, 15 Oct 2021 22:44:47 +0300	[thread overview]
Message-ID: <YWnaL4WtISzv4msR@intel.com> (raw)
In-Reply-To: <20211015163336.95188-7-contact@emersion.fr>

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@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

  reply	other threads:[~2021-10-15 19:44 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-15 16:33 [PATCH v3 0/6] drm: add per-connector hotplug events Simon Ser
2021-10-15 16:33 ` [PATCH v3 1/6] drm/sysfs: introduce drm_sysfs_connector_hotplug_event Simon Ser
2021-10-15 19:37   ` Sam Ravnborg
2021-10-15 19:42     ` Sam Ravnborg
2021-10-15 16:33 ` [PATCH v3 2/6] drm/probe-helper: add drm_kms_helper_connector_hotplug_event Simon Ser
2021-10-15 19:43   ` Sam Ravnborg
2021-10-15 16:33 ` [PATCH v3 3/6] drm/connector: use drm_sysfs_connector_hotplug_event Simon Ser
2021-10-15 19:44   ` Sam Ravnborg
2021-10-27 13:15   ` Pekka Paalanen
2021-10-27 13:26     ` Simon Ser
2021-10-28  7:32       ` Pekka Paalanen
2021-10-15 16:33 ` [PATCH v3 4/6] amdgpu: use drm_kms_helper_connector_hotplug_event Simon Ser
2021-10-15 19:26   ` Harry Wentland
2021-10-15 16:33 ` [PATCH v3 5/6] drm/probe-helper: " Simon Ser
2021-10-15 19:41   ` Ville Syrjälä
2021-10-18  8:43     ` Simon Ser
2021-10-15 20:03   ` Sam Ravnborg
2021-10-18  8:45     ` Simon Ser
2021-10-18  8:15   ` Maxime Ripard
2021-10-18  8:44     ` Simon Ser
2021-10-15 16:33 ` [PATCH v3 6/6] i915/display/dp: send a more fine-grained link-status uevent Simon Ser
2021-10-15 19:44   ` Ville Syrjälä [this message]
2021-10-18  8:42     ` Simon Ser
2021-10-16 14:03   ` kernel test robot

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