Re: [PATCH v2 12/21] drm/i915/dp: Add support for DP tunnel BW allocation

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On Tue, Feb 20, 2024 at 11:18:32PM +0200, Imre Deak wrote:
> +static void queue_retry_work(struct intel_atomic_state *state,
> +			     struct drm_dp_tunnel *tunnel,
> +			     const struct intel_crtc_state *crtc_state)
> +{
> +	struct drm_i915_private *i915 = to_i915(state->base.dev);
> +	struct intel_encoder *encoder;
> +
> +	encoder = intel_get_crtc_new_encoder(state, crtc_state);

I was pondering what happens if we have no encoder here?
But I guess crtc_state->tunnel_ref.tunnel should be NULL in
that case and so we should not end up here.

> +
> +	if (!intel_digital_port_connected(encoder))
> +		return;
> +
> +	drm_dbg_kms(&i915->drm,
> +		    "[DPTUN %s][ENCODER:%d:%s] BW allocation failed on a connected sink\n",
> +		    drm_dp_tunnel_name(tunnel),
> +		    encoder->base.base.id,
> +		    encoder->base.name);
> +
> +	intel_dp_queue_modeset_retry_for_link(state, encoder, crtc_state);
> +}
> +

-- 
Ville Syrjälä
Intel



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