Re: [PATCH v2 5/6] drm/i915/dp: Kill intel_dp->detect_done flag

From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH v2 5/6] drm/i915/dp: Kill intel_dp->detect_done flag
Date: Tue, 25 Sep 2018 20:53:20 +0300	[thread overview]
Message-ID: <20180925175320.GL9144@intel.com> (raw)
In-Reply-To: <20180924224528.4744-5-dhinakaran.pandiyan@intel.com>

On Mon, Sep 24, 2018 at 03:45:27PM -0700, Dhinakaran Pandiyan wrote:
> The intel_dp->detect_done flag is no more useful. Pull
> intel_dp_long_pulse() into the lone caller,
> 
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dp.c  | 43 ++++++++------------------------
>  drivers/gpu/drm/i915/intel_drv.h |  1 -
>  2 files changed, 11 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 87a631098a6d..d6ea93e453a2 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -5012,15 +5012,18 @@ intel_dp_unset_edid(struct intel_dp *intel_dp)
>  }
>  
>  static int
> -intel_dp_long_pulse(struct intel_connector *connector,
> -		    struct drm_modeset_acquire_ctx *ctx)
> +intel_dp_detect(struct drm_connector *connector,
> +		struct drm_modeset_acquire_ctx *ctx,
> +		bool force)
>  {
> -	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
> -	struct intel_dp *intel_dp = intel_attached_dp(&connector->base);
> +	struct drm_i915_private *dev_priv = to_i915(connector->dev);
> +	struct intel_dp *intel_dp = intel_attached_dp(connector);
>  	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> -	enum drm_connector_status status;
> +	int status;

I guess we don't need this change anymore?

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

Not sure if ci actually found some issue with the series, or
whether it was just having a bad day.

>  	u8 sink_irq_vector = 0;
>  
> +	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
> +		      connector->base.id, connector->name);
>  	WARN_ON(!drm_modeset_is_locked(&dev_priv->drm.mode_config.connection_mutex));
>  
>  	intel_display_power_get(dev_priv, intel_dp->aux_power_domain);
> @@ -5096,9 +5099,9 @@ intel_dp_long_pulse(struct intel_connector *connector,
>  	intel_dp->aux.i2c_defer_count = 0;
>  
>  	intel_dp_set_edid(intel_dp);
> -	if (intel_dp_is_edp(intel_dp) || connector->detect_edid)
> +	if (intel_dp_is_edp(intel_dp) ||
> +	    to_intel_connector(connector)->detect_edid)
>  		status = connector_status_connected;
> -	intel_dp->detect_done = true;
>  
>  	/* Try to read the source of the interrupt */
>  	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
> @@ -5123,26 +5126,6 @@ intel_dp_long_pulse(struct intel_connector *connector,
>  	return status;
>  }
>  
> -static int
> -intel_dp_detect(struct drm_connector *connector,
> -		struct drm_modeset_acquire_ctx *ctx,
> -		bool force)
> -{
> -	struct intel_dp *intel_dp = intel_attached_dp(connector);
> -	int status = connector->status;
> -
> -	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
> -		      connector->base.id, connector->name);
> -
> -	/* If full detect is not performed yet, do a full detect */
> -	if (!intel_dp->detect_done)
> -		status = intel_dp_long_pulse(intel_dp->attached_connector, ctx);
> -
> -	intel_dp->detect_done = false;
> -
> -	return status;
> -}
> -
>  static void
>  intel_dp_force(struct drm_connector *connector)
>  {
> @@ -5635,7 +5618,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
>  
>  	if (long_hpd) {
>  		intel_dp->reset_link_params = true;
> -		intel_dp->detect_done = false;
>  		return IRQ_NONE;
>  	}
>  
> @@ -5652,7 +5634,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
>  			intel_dp->is_mst = false;
>  			drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,
>  							intel_dp->is_mst);
> -			intel_dp->detect_done = false;
>  			goto put_power;
>  		}
>  	}
> @@ -5665,10 +5646,8 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
>  		/* Short pulse can signify loss of hdcp authentication */
>  		intel_hdcp_check_link(intel_dp->attached_connector);
>  
> -		if (!handled) {
> -			intel_dp->detect_done = false;
> +		if (!handled)
>  			goto put_power;
> -		}
>  	}
>  
>  	ret = IRQ_HANDLED;
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 8073a85d7178..a7c151c40e7d 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1070,7 +1070,6 @@ struct intel_dp {
>  	bool link_mst;
>  	bool link_trained;
>  	bool has_audio;
> -	bool detect_done;
>  	bool reset_link_params;
>  	enum aux_ch aux_ch;
>  	uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
> -- 
> 2.17.1

-- 
Ville Syrjälä
Intel
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