target: msm8916: Initialize adv7533 in target_display, not oem_panel

For some reason half of the code is in target_display, while the other
half is in oem_panel. Let's put all of it in target_display so it can
work even with another oem_panel implementation.

target/msm8916/oem_panel.c

@@ -631,20 +631,6 @@ int oem_panel_select(const char *panel_name, struct panel_struct *panelstruct,
 #endif
 
 panel_init:
-	if (platform_is_apq8016() && (hw_id == HW_PLATFORM_SBC)) {
-		/* Set Switch GPIO to DSI2HDMI mode */
-		target_set_switch_gpio(1);
-		/* ADV7533 DSI to HDMI Bridge Chip Connected */
-		mipi_dsi_i2c_device_init();
-		/* Read ADV Chip ID */
-		if (!mipi_dsi_i2c_read_byte(ADV7533_MAIN, 0x00, &rev)) {
-			dprintf(INFO, "ADV7533 Rev ID: 0x%x\n",rev);
-		} else {
-			dprintf(CRITICAL, "error reading Rev ID from bridge chip\n");
-			return PANEL_TYPE_UNKNOWN;
-		}
-	}
-
 	/*
 	 * Update all data structures after 'panel_init' label. Only panel
 	 * selection is supposed to happen before that.

target/msm8916/target_display.c

@@ -328,6 +328,22 @@ int target_display_dsi2hdmi_config(struct msm_panel_info *pinfo)
 	if (!pinfo)
 		return ERR_INVALID_ARGS;
 
+	if (pinfo->adv7533.dsi_setup_cfg_i2c_cmd || pinfo->adv7533.dsi_tg_i2c_cmd) {
+		uint8_t rev = 0;
+
+		/* Set Switch GPIO to DSI2HDMI mode */
+		target_set_switch_gpio(1);
+		/* ADV7533 DSI to HDMI Bridge Chip Connected */
+		mipi_dsi_i2c_device_init();
+		/* Read ADV Chip ID */
+		if (!mipi_dsi_i2c_read_byte(ADV7533_MAIN, 0x00, &rev)) {
+			dprintf(INFO, "ADV7533 Rev ID: 0x%x\n",rev);
+		} else {
+			dprintf(CRITICAL, "error reading Rev ID from bridge chip\n");
+			return ERR_IO;
+		}
+	}
+
 	/*
 	 * If dsi to HDMI bridge chip connected then
 	 * send I2c commands to the chip