Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpu/drm/zte/Kconfig b/drivers/gpu/drm/zte/Kconfig
index 5b36421..90ebaed 100644
--- a/drivers/gpu/drm/zte/Kconfig
+++ b/drivers/gpu/drm/zte/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 config DRM_ZTE
 	tristate "DRM Support for ZTE SoCs"
 	depends on DRM && ARCH_ZX
diff --git a/drivers/gpu/drm/zte/zx_common_regs.h b/drivers/gpu/drm/zte/zx_common_regs.h
index 2afd806..b7b996d 100644
--- a/drivers/gpu/drm/zte/zx_common_regs.h
+++ b/drivers/gpu/drm/zte/zx_common_regs.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2017 Sanechips Technology Co., Ltd.
  * Copyright 2017 Linaro Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ZX_COMMON_REGS_H__
diff --git a/drivers/gpu/drm/zte/zx_drm_drv.c b/drivers/gpu/drm/zte/zx_drm_drv.c
index 6f4205e..1141c1e 100644
--- a/drivers/gpu/drm/zte/zx_drm_drv.c
+++ b/drivers/gpu/drm/zte/zx_drm_drv.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/clk.h>
@@ -18,20 +14,20 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_drv.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_of.h>
-#include <drm/drmP.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
 
 #include "zx_drm_drv.h"
 #include "zx_vou.h"
 
 static const struct drm_mode_config_funcs zx_drm_mode_config_funcs = {
 	.fb_create = drm_gem_fb_create,
-	.output_poll_changed = drm_fb_helper_output_poll_changed,
 	.atomic_check = drm_atomic_helper_check,
 	.atomic_commit = drm_atomic_helper_commit,
 };
@@ -39,16 +35,12 @@
 DEFINE_DRM_GEM_CMA_FOPS(zx_drm_fops);
 
 static struct drm_driver zx_drm_driver = {
-	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
-			   DRIVER_ATOMIC,
-	.lastclose = drm_fb_helper_lastclose,
+	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
 	.gem_free_object_unlocked = drm_gem_cma_free_object,
 	.gem_vm_ops = &drm_gem_cma_vm_ops,
 	.dumb_create = drm_gem_cma_dumb_create,
 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
-	.gem_prime_export = drm_gem_prime_export,
-	.gem_prime_import = drm_gem_prime_import,
 	.gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
 	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
 	.gem_prime_vmap = drm_gem_cma_prime_vmap,
@@ -101,20 +93,14 @@
 	drm_mode_config_reset(drm);
 	drm_kms_helper_poll_init(drm);
 
-	ret = drm_fb_cma_fbdev_init(drm, 32, 0);
-	if (ret) {
-		DRM_DEV_ERROR(dev, "failed to init cma fbdev: %d\n", ret);
-		goto out_poll_fini;
-	}
-
 	ret = drm_dev_register(drm, 0);
 	if (ret)
-		goto out_fbdev_fini;
+		goto out_poll_fini;
+
+	drm_fbdev_generic_setup(drm, 32);
 
 	return 0;
 
-out_fbdev_fini:
-	drm_fb_cma_fbdev_fini(drm);
 out_poll_fini:
 	drm_kms_helper_poll_fini(drm);
 	drm_mode_config_cleanup(drm);
@@ -122,7 +108,7 @@
 	component_unbind_all(dev, drm);
 out_unregister:
 	dev_set_drvdata(dev, NULL);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 	return ret;
 }
 
@@ -131,12 +117,12 @@
 	struct drm_device *drm = dev_get_drvdata(dev);
 
 	drm_dev_unregister(drm);
-	drm_fb_cma_fbdev_fini(drm);
 	drm_kms_helper_poll_fini(drm);
+	drm_atomic_helper_shutdown(drm);
 	drm_mode_config_cleanup(drm);
 	component_unbind_all(dev, drm);
 	dev_set_drvdata(dev, NULL);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 }
 
 static const struct component_master_ops zx_drm_master_ops = {
@@ -161,10 +147,8 @@
 	if (ret)
 		return ret;
 
-	for_each_available_child_of_node(parent, child) {
+	for_each_available_child_of_node(parent, child)
 		component_match_add(dev, &match, compare_of, child);
-		of_node_put(child);
-	}
 
 	return component_master_add_with_match(dev, &zx_drm_master_ops, match);
 }
diff --git a/drivers/gpu/drm/zte/zx_drm_drv.h b/drivers/gpu/drm/zte/zx_drm_drv.h
index 2a8cdc5..80cdaf4 100644
--- a/drivers/gpu/drm/zte/zx_drm_drv.h
+++ b/drivers/gpu/drm/zte/zx_drm_drv.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ZX_DRM_DRV_H__
diff --git a/drivers/gpu/drm/zte/zx_hdmi.c b/drivers/gpu/drm/zte/zx_hdmi.c
index 7865526..a50f5a1 100644
--- a/drivers/gpu/drm/zte/zx_hdmi.c
+++ b/drivers/gpu/drm/zte/zx_hdmi.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/clk.h>
@@ -20,10 +16,10 @@
 #include <linux/of_device.h>
 
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_of.h>
-#include <drm/drmP.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_print.h>
 
 #include <sound/hdmi-codec.h>
 
@@ -125,7 +121,9 @@
 	union hdmi_infoframe frame;
 	int ret;
 
-	ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode, false);
+	ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
+						       &hdmi->connector,
+						       mode);
 	if (ret) {
 		DRM_DEV_ERROR(hdmi->dev, "failed to get avi infoframe: %d\n",
 			      ret);
diff --git a/drivers/gpu/drm/zte/zx_hdmi_regs.h b/drivers/gpu/drm/zte/zx_hdmi_regs.h
index c6d5d82..397949e 100644
--- a/drivers/gpu/drm/zte/zx_hdmi_regs.h
+++ b/drivers/gpu/drm/zte/zx_hdmi_regs.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ZX_HDMI_REGS_H__
diff --git a/drivers/gpu/drm/zte/zx_plane.c b/drivers/gpu/drm/zte/zx_plane.c
index ae8c53b..086c50f 100644
--- a/drivers/gpu/drm/zte/zx_plane.c
+++ b/drivers/gpu/drm/zte/zx_plane.c
@@ -1,20 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_fourcc.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_modeset_helper_vtables.h>
 #include <drm/drm_plane_helper.h>
-#include <drm/drmP.h>
 
 #include "zx_common_regs.h"
 #include "zx_drm_drv.h"
@@ -199,7 +195,6 @@
 	u32 dst_x, dst_y, dst_w, dst_h;
 	uint32_t format;
 	int fmt;
-	int num_planes;
 	int i;
 
 	if (!fb)
@@ -218,13 +213,12 @@
 	dst_h = drm_rect_height(dst);
 
 	/* Set up data address registers for Y, Cb and Cr planes */
-	num_planes = drm_format_num_planes(format);
 	paddr_reg = layer + VL_Y;
-	for (i = 0; i < num_planes; i++) {
+	for (i = 0; i < fb->format->num_planes; i++) {
 		cma_obj = drm_fb_cma_get_gem_obj(fb, i);
 		paddr = cma_obj->paddr + fb->offsets[i];
 		paddr += src_y * fb->pitches[i];
-		paddr += src_x * drm_format_plane_cpp(format, i);
+		paddr += src_x * fb->format->cpp[i];
 		zx_writel(paddr_reg, paddr);
 		paddr_reg += 4;
 	}
@@ -446,7 +440,6 @@
 
 static void zx_plane_destroy(struct drm_plane *plane)
 {
-	drm_plane_helper_disable(plane, NULL);
 	drm_plane_cleanup(plane);
 }
 
diff --git a/drivers/gpu/drm/zte/zx_plane.h b/drivers/gpu/drm/zte/zx_plane.h
index 933611d..5a7cc8b 100644
--- a/drivers/gpu/drm/zte/zx_plane.h
+++ b/drivers/gpu/drm/zte/zx_plane.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ZX_PLANE_H__
diff --git a/drivers/gpu/drm/zte/zx_plane_regs.h b/drivers/gpu/drm/zte/zx_plane_regs.h
index 9c655f5..ce83063 100644
--- a/drivers/gpu/drm/zte/zx_plane_regs.h
+++ b/drivers/gpu/drm/zte/zx_plane_regs.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ZX_PLANE_REGS_H__
diff --git a/drivers/gpu/drm/zte/zx_tvenc.c b/drivers/gpu/drm/zte/zx_tvenc.c
index b73afb2..c598b7d 100644
--- a/drivers/gpu/drm/zte/zx_tvenc.c
+++ b/drivers/gpu/drm/zte/zx_tvenc.c
@@ -1,21 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2017 Linaro Ltd.
  * Copyright 2017 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/clk.h>
 #include <linux/component.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
 #include <linux/regmap.h>
 
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drmP.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
 
 #include "zx_drm_drv.h"
 #include "zx_tvenc_regs.h"
diff --git a/drivers/gpu/drm/zte/zx_tvenc_regs.h b/drivers/gpu/drm/zte/zx_tvenc_regs.h
index bd91f5d..40f0331 100644
--- a/drivers/gpu/drm/zte/zx_tvenc_regs.h
+++ b/drivers/gpu/drm/zte/zx_tvenc_regs.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2017 Linaro Ltd.
  * Copyright 2017 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ZX_TVENC_REGS_H__
diff --git a/drivers/gpu/drm/zte/zx_vga.c b/drivers/gpu/drm/zte/zx_vga.c
index 23d1ff4..9b67e41 100644
--- a/drivers/gpu/drm/zte/zx_vga.c
+++ b/drivers/gpu/drm/zte/zx_vga.c
@@ -1,20 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2017 Sanechips Technology Co., Ltd.
  * Copyright 2017 Linaro Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/clk.h>
 #include <linux/component.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
 #include <linux/regmap.h>
 
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drmP.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
 
 #include "zx_drm_drv.h"
 #include "zx_vga_regs.h"
diff --git a/drivers/gpu/drm/zte/zx_vga_regs.h b/drivers/gpu/drm/zte/zx_vga_regs.h
index feaa345..1e8825a 100644
--- a/drivers/gpu/drm/zte/zx_vga_regs.h
+++ b/drivers/gpu/drm/zte/zx_vga_regs.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2017 Sanechips Technology Co., Ltd.
  * Copyright 2017 Linaro Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef __ZX_VGA_REGS_H__
diff --git a/drivers/gpu/drm/zte/zx_vou.c b/drivers/gpu/drm/zte/zx_vou.c
index 442311d..5259ff2 100644
--- a/drivers/gpu/drm/zte/zx_vou.c
+++ b/drivers/gpu/drm/zte/zx_vou.c
@@ -1,27 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #include <linux/clk.h>
 #include <linux/component.h>
+#include <linux/module.h>
 #include <linux/of_address.h>
+#include <linux/platform_device.h>
+
 #include <video/videomode.h>
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_of.h>
 #include <drm/drm_plane_helper.h>
-#include <drm/drmP.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
 
 #include "zx_common_regs.h"
 #include "zx_drm_drv.h"
diff --git a/drivers/gpu/drm/zte/zx_vou.h b/drivers/gpu/drm/zte/zx_vou.h
index 5b7f84f..b25f34f 100644
--- a/drivers/gpu/drm/zte/zx_vou.h
+++ b/drivers/gpu/drm/zte/zx_vou.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ZX_VOU_H__
diff --git a/drivers/gpu/drm/zte/zx_vou_regs.h b/drivers/gpu/drm/zte/zx_vou_regs.h
index 5a21835..2ddb199 100644
--- a/drivers/gpu/drm/zte/zx_vou_regs.h
+++ b/drivers/gpu/drm/zte/zx_vou_regs.h
@@ -1,11 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2016 Linaro Ltd.
  * Copyright 2016 ZTE Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
 #ifndef __ZX_VOU_REGS_H__