Re: [PATCH 11/14] drm/i915: Fix DP-MST crtc_mask

[Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>]

On Fri, 2018-06-15 at 19:49 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Each fake MST encoder is tied to a specific pipe. Fix the encoder's
> crtc_mask to reflect that fact.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dp_mst.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c
> b/drivers/gpu/drm/i915/intel_dp_mst.c
> index 5890500a3a8b..8e30765402b4 100644
> --- a/drivers/gpu/drm/i915/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/intel_dp_mst.c
> @@ -565,7 +565,7 @@ intel_dp_create_fake_mst_encoder(struct
> intel_digital_port *intel_dig_port, enum
>  	intel_encoder->type = INTEL_OUTPUT_DP_MST;
>  	intel_encoder->power_domain = intel_dig_port-
> >base.power_domain;
>  	intel_encoder->port = intel_dig_port->base.port;
> -	intel_encoder->crtc_mask = 0x7;
> +	intel_encoder->crtc_mask = BIT(pipe);

How did this not cause any problems? Does this mean this field was/is
unused?
Disclaimer: I didn't look at the whole series.

>  	intel_encoder->cloneable = 0;
>  
>  	intel_encoder->compute_config = intel_dp_mst_compute_config;
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