1 files changed, 0 insertions, 138 deletions
diff --git a/drivers/gpu/drm/pl111/pl111_vexpress.c b/drivers/gpu/drm/pl111/pl111_vexpress.c
deleted file mode 100644
index 350570fe06b5..000000000000
--- a/drivers/gpu/drm/pl111/pl111_vexpress.c
+++ /dev/null
@@ -1,138 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Versatile Express PL111 handling
- * Copyright (C) 2018 Linus Walleij
- *
- * This module binds to the "arm,vexpress-muxfpga" device on the
- * Versatile Express configuration bus and sets up which CLCD instance
- * gets muxed out on the DVI bridge.
- */
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/regmap.h>
-#include <linux/vexpress.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include "pl111_drm.h"
-#include "pl111_vexpress.h"
-
-#define VEXPRESS_FPGAMUX_MOTHERBOARD		0x00
-#define VEXPRESS_FPGAMUX_DAUGHTERBOARD_1	0x01
-#define VEXPRESS_FPGAMUX_DAUGHTERBOARD_2	0x02
-
-int pl111_vexpress_clcd_init(struct device *dev,
-			     struct pl111_drm_dev_private *priv,
-			     struct regmap *map)
-{
-	struct device_node *root;
-	struct device_node *child;
-	struct device_node *ct_clcd = NULL;
-	bool has_coretile_clcd = false;
-	bool has_coretile_hdlcd = false;
-	bool mux_motherboard = true;
-	u32 val;
-	int ret;
-
-	/*
-	 * Check if we have a CLCD or HDLCD on the core tile by checking if a
-	 * CLCD or HDLCD is available in the root of the device tree.
-	 */
-	root = of_find_node_by_path("/");
-	if (!root)
-		return -EINVAL;
-
-	for_each_available_child_of_node(root, child) {
-		if (of_device_is_compatible(child, "arm,pl111")) {
-			has_coretile_clcd = true;
-			ct_clcd = child;
-			break;
-		}
-		if (of_device_is_compatible(child, "arm,hdlcd")) {
-			has_coretile_hdlcd = true;
-			of_node_put(child);
-			break;
-		}
-	}
-
-	of_node_put(root);
-
-	/*
-	 * If there is a coretile HDLCD and it has a driver,
-	 * do not mux the CLCD on the motherboard to the DVI.
-	 */
-	if (has_coretile_hdlcd && IS_ENABLED(CONFIG_DRM_HDLCD))
-		mux_motherboard = false;
-
-	/*
-	 * On the Vexpress CA9 we let the CLCD on the coretile
-	 * take precedence, so also in this case do not mux the
-	 * motherboard to the DVI.
-	 */
-	if (has_coretile_clcd)
-		mux_motherboard = false;
-
-	if (mux_motherboard) {
-		dev_info(dev, "DVI muxed to motherboard CLCD\n");
-		val = VEXPRESS_FPGAMUX_MOTHERBOARD;
-	} else if (ct_clcd == dev->of_node) {
-		dev_info(dev,
-			 "DVI muxed to daughterboard 1 (core tile) CLCD\n");
-		val = VEXPRESS_FPGAMUX_DAUGHTERBOARD_1;
-	} else {
-		dev_info(dev, "core tile graphics present\n");
-		dev_info(dev, "this device will be deactivated\n");
-		return -ENODEV;
-	}
-
-	ret = regmap_write(map, 0, val);
-	if (ret) {
-		dev_err(dev, "error setting DVI muxmode\n");
-		return -ENODEV;
-	}
-
-	return 0;
-}
-
-/*
- * This sets up the regmap pointer that will then be retrieved by
- * the detection code in pl111_versatile.c and passed in to the
- * pl111_vexpress_clcd_init() function above.
- */
-static int vexpress_muxfpga_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct regmap *map;
-
-	map = devm_regmap_init_vexpress_config(&pdev->dev);
-	if (IS_ERR(map))
-		return PTR_ERR(map);
-	dev_set_drvdata(dev, map);
-
-	return 0;
-}
-
-static const struct of_device_id vexpress_muxfpga_match[] = {
-	{ .compatible = "arm,vexpress-muxfpga", },
-	{}
-};
-
-static struct platform_driver vexpress_muxfpga_driver = {
-	.driver = {
-		.name = "vexpress-muxfpga",
-		.of_match_table = of_match_ptr(vexpress_muxfpga_match),
-	},
-	.probe = vexpress_muxfpga_probe,
-};
-
-int vexpress_muxfpga_init(void)
-{
-	int ret;
-
-	ret = platform_driver_register(&vexpress_muxfpga_driver);
-	/* -EBUSY just means this driver is already registered */
-	if (ret == -EBUSY)
-		ret = 0;
-	return ret;
-}