Re: [Intel-gfx] [PATCH v3 3/3] drm/i915: Don't send hotplug in intel_dp_check_mst_status()

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Tue, Jan 29, 2019 at 02:10:01PM -0500, Lyude Paul wrote:
> This hotplug also isn't needed: drm_dp_mst_topology_mgr_set_mst()
> already sends a hotplug on its own from drm_dp_destroy_connector_work()
> after destroying connectors in the MST topology.
> 
> Signed-off-by: Lyude Paul <lyude@redhat.com>
> Cc: Imre Deak <imre.deak@intel.com>
> Cc: Daniel Vetter <daniel@ffwll.ch>

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_dp.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index c2399acf177b..f9113c0cdfcd 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -4608,12 +4608,10 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
>  
>  			return ret;
>  		} else {
> -			struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
>  			DRM_DEBUG_KMS("failed to get ESI - device may have failed\n");
>  			intel_dp->is_mst = false;
> -			drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst);
> -			/* send a hotplug event */
> -			drm_kms_helper_hotplug_event(intel_dig_port->base.base.dev);
> +			drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,
> +							intel_dp->is_mst);
>  		}
>  	}
>  	return -EINVAL;
> -- 
> 2.20.1
> 
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-- 
Ville Syrjälä
Intel