drm/sti/sti_hdmi: convert to using is_hdmi from display info

Prefer the parsed results for is_hdmi in display info over calling
drm_detect_hdmi_monitor(). Remove the now redundant hdmi_monitor member
from struct sti_hdmi.

Cc: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Alain Volmat <avolmat@me.com>
Link: https://patchwork.freedesktop.org/patch/msgid/74fbd7a83712009734534d92e5499d4d87f0c53b.1662036058.git.jani.nikula@intel.com

drivers/gpu/drm/sti/sti_hdmi.c

@@ -266,6 +266,7 @@ static void hdmi_active_area(struct sti_hdmi *hdmi)
  */
 static void hdmi_config(struct sti_hdmi *hdmi)
 {
+	struct drm_connector *connector = hdmi->drm_connector;
 	u32 conf;
 
 	DRM_DEBUG_DRIVER("\n");
@@ -275,7 +276,7 @@ static void hdmi_config(struct sti_hdmi *hdmi)
 
 	/* Select encryption type and the framing mode */
 	conf |= HDMI_CFG_ESS_NOT_OESS;
-	if (hdmi->hdmi_monitor)
+	if (connector->display_info.is_hdmi)
 		conf |= HDMI_CFG_HDMI_NOT_DVI;
 
 	/* Set Hsync polarity */
@@ -985,15 +986,15 @@ static int sti_hdmi_connector_get_modes(struct drm_connector *connector)
 	if (!edid)
 		goto fail;
 
-	hdmi->hdmi_monitor = drm_detect_hdmi_monitor(edid);
-	DRM_DEBUG_KMS("%s : %dx%d cm\n",
-		      (hdmi->hdmi_monitor ? "hdmi monitor" : "dvi monitor"),
-		      edid->width_cm, edid->height_cm);
 	cec_notifier_set_phys_addr_from_edid(hdmi->notifier, edid);
 
 	count = drm_add_edid_modes(connector, edid);
 	drm_connector_update_edid_property(connector, edid);
 
+	DRM_DEBUG_KMS("%s : %dx%d cm\n",
+		      (connector->display_info.is_hdmi ? "hdmi monitor" : "dvi monitor"),
+		      edid->width_cm, edid->height_cm);
+
 	kfree(edid);
 	return count;
 

drivers/gpu/drm/sti/sti_hdmi.h

@@ -57,7 +57,6 @@ struct hdmi_audio_params {
  * @reset: reset control of the hdmi phy
  * @ddc_adapt: i2c ddc adapter
  * @colorspace: current colorspace selected
- * @hdmi_monitor: true if HDMI monitor detected else DVI monitor assumed
  * @audio_pdev: ASoC hdmi-codec platform device
  * @audio: hdmi audio parameters.
  * @drm_connector: hdmi connector
@@ -83,7 +82,6 @@ struct sti_hdmi {
 	struct reset_control *reset;
 	struct i2c_adapter *ddc_adapt;
 	enum hdmi_colorspace colorspace;
-	bool hdmi_monitor;
 	struct platform_device *audio_pdev;
 	struct hdmi_audio_params audio;
 	struct drm_connector *drm_connector;