Re: [PATCH 15/15] drm/i915: replace drm_detect_hdmi_monitor() with drm_display_info.is_hdmi

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On Fri, 15 Oct 2021, Claudio Suarez <cssk@xxxxxxxx> wrote:
> Once EDID is parsed, the monitor HDMI support information is available
> through drm_display_info.is_hdmi. Retriving the same information with
> drm_detect_hdmi_monitor() is less efficient. Change to
> drm_display_info.is_hdmi where possible.
>
> This is a TODO task in Documentation/gpu/todo.rst
>
> Signed-off-by: Claudio Suarez <cssk@xxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_connector.c | 5 +++++
>  drivers/gpu/drm/i915/display/intel_connector.h | 1 +
>  drivers/gpu/drm/i915/display/intel_hdmi.c      | 2 +-
>  drivers/gpu/drm/i915/display/intel_sdvo.c      | 3 ++-
>  4 files changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_connector.c b/drivers/gpu/drm/i915/display/intel_connector.c
> index 9bed1ccecea0..3346b55df6e1 100644
> --- a/drivers/gpu/drm/i915/display/intel_connector.c
> +++ b/drivers/gpu/drm/i915/display/intel_connector.c
> @@ -213,6 +213,11 @@ int intel_ddc_get_modes(struct drm_connector *connector,
>  	return ret;
>  }
>  
> +bool intel_connector_is_hdmi_monitor(struct drm_connector *connector)
> +{
> +	return connector->display_info.is_hdmi;
> +}
> +

A helper like this belongs in drm, not i915. Seems useful in other
drivers too.

BR,
Jani.

>  static const struct drm_prop_enum_list force_audio_names[] = {
>  	{ HDMI_AUDIO_OFF_DVI, "force-dvi" },
>  	{ HDMI_AUDIO_OFF, "off" },
> diff --git a/drivers/gpu/drm/i915/display/intel_connector.h b/drivers/gpu/drm/i915/display/intel_connector.h
> index 661a37a3c6d8..ceda6e72ece6 100644
> --- a/drivers/gpu/drm/i915/display/intel_connector.h
> +++ b/drivers/gpu/drm/i915/display/intel_connector.h
> @@ -27,6 +27,7 @@ enum pipe intel_connector_get_pipe(struct intel_connector *connector);
>  int intel_connector_update_modes(struct drm_connector *connector,
>  				 struct edid *edid);
>  int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
> +bool intel_connector_is_hdmi_monitor(struct drm_connector *connector);
>  void intel_attach_force_audio_property(struct drm_connector *connector);
>  void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
>  void intel_attach_aspect_ratio_property(struct drm_connector *connector);
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index b04685bb6439..2b1d7c5bebdd 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -2355,7 +2355,7 @@ intel_hdmi_set_edid(struct drm_connector *connector)
>  	to_intel_connector(connector)->detect_edid = edid;
>  	if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) {
>  		intel_hdmi->has_audio = drm_detect_monitor_audio(edid);
> -		intel_hdmi->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
> +		intel_hdmi->has_hdmi_sink = intel_connector_is_hdmi_monitor(connector);
>  
>  		connected = true;
>  	}
> diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
> index 6cb27599ea03..a32279e4fee8 100644
> --- a/drivers/gpu/drm/i915/display/intel_sdvo.c
> +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
> @@ -2060,8 +2060,9 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
>  		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
>  			status = connector_status_connected;
>  			if (intel_sdvo_connector->is_hdmi) {
> -				intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
>  				intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
> +				intel_sdvo->has_hdmi_monitor =
> +					intel_connector_is_hdmi_monitor(connector);
>  			}
>  		} else
>  			status = connector_status_disconnected;

-- 
Jani Nikula, Intel Open Source Graphics Center



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