drm/i915/display: use drm_edid_is_digital()

Reduce the use of struct edid and drm_edid_raw().
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/dbc0269d34f3140aff410eefae8a2711c59299b3.1692884619.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_crt.c

@@ -657,21 +657,18 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
 	drm_edid = intel_crt_get_edid(connector, i2c);
 
 	if (drm_edid) {
-		const struct edid *edid = drm_edid_raw(drm_edid);
-		bool is_digital = edid->input & DRM_EDID_INPUT_DIGITAL;
-
 		/*
 		 * This may be a DVI-I connector with a shared DDC
 		 * link between analog and digital outputs, so we
 		 * have to check the EDID input spec of the attached device.
 		 */
-		if (!is_digital) {
+		if (drm_edid_is_digital(drm_edid)) {
 			drm_dbg_kms(&dev_priv->drm,
-				    "CRT detected via DDC:0x50 [EDID]\n");
-			ret = true;
+				    "CRT not detected via DDC:0x50 [EDID reports a digital panel]\n");
 		} else {
 			drm_dbg_kms(&dev_priv->drm,
-				    "CRT not detected via DDC:0x50 [EDID reports a digital panel]\n");
+				    "CRT detected via DDC:0x50 [EDID]\n");
+			ret = true;
 		}
 	} else {
 		drm_dbg_kms(&dev_priv->drm,

drivers/gpu/drm/i915/display/intel_hdmi.c

@@ -2455,7 +2455,6 @@ intel_hdmi_set_edid(struct drm_connector *connector)
 	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(to_intel_connector(connector));
 	intel_wakeref_t wakeref;
 	const struct drm_edid *drm_edid;
-	const struct edid *edid;
 	bool connected = false;
 	struct i2c_adapter *i2c;
 
@@ -2478,9 +2477,7 @@ intel_hdmi_set_edid(struct drm_connector *connector)
 
 	to_intel_connector(connector)->detect_edid = drm_edid;
 
-	/* FIXME: Get rid of drm_edid_raw() */
-	edid = drm_edid_raw(drm_edid);
-	if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) {
+	if (drm_edid_is_digital(drm_edid)) {
 		intel_hdmi_dp_dual_mode_detect(connector);
 
 		connected = true;
@@ -2488,7 +2485,9 @@ intel_hdmi_set_edid(struct drm_connector *connector)
 
 	intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS, wakeref);
 
-	cec_notifier_set_phys_addr_from_edid(intel_hdmi->cec_notifier, edid);
+	/* FIXME: Get rid of drm_edid_raw() */
+	cec_notifier_set_phys_addr_from_edid(intel_hdmi->cec_notifier,
+					     drm_edid_raw(drm_edid));
 
 	return connected;
 }

drivers/gpu/drm/i915/display/intel_sdvo.c

@@ -2081,10 +2081,8 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
 
 	status = connector_status_unknown;
 	if (drm_edid) {
-		const struct edid *edid = drm_edid_raw(drm_edid);
-
 		/* DDC bus is shared, match EDID to connector type */
-		if (edid && edid->input & DRM_EDID_INPUT_DIGITAL)
+		if (drm_edid_is_digital(drm_edid))
 			status = connector_status_connected;
 		else
 			status = connector_status_disconnected;
@@ -2098,8 +2096,7 @@ static bool
 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
 				  const struct drm_edid *drm_edid)
 {
-	const struct edid *edid = drm_edid_raw(drm_edid);
-	bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+	bool monitor_is_digital = drm_edid_is_digital(drm_edid);
 	bool connector_is_digital = !!IS_DIGITAL(sdvo);
 
 	DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",