Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpu/drm/gma500/Kconfig b/drivers/gpu/drm/gma500/Kconfig
index df11582..0e23c93 100644
--- a/drivers/gpu/drm/gma500/Kconfig
+++ b/drivers/gpu/drm/gma500/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 config DRM_GMA500
 	tristate "Intel GMA5/600 KMS Framebuffer"
 	depends on DRM && PCI && X86 && MMU
diff --git a/drivers/gpu/drm/gma500/accel_2d.c b/drivers/gpu/drm/gma500/accel_2d.c
index 204c8e4..45ad5ff 100644
--- a/drivers/gpu/drm/gma500/accel_2d.c
+++ b/drivers/gpu/drm/gma500/accel_2d.c
@@ -1,43 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2007-2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
  * develop this driver.
  *
  **************************************************************************/
 
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/init.h>
 #include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/tty.h>
 
-#include <drm/drmP.h>
 #include <drm/drm.h>
 #include <drm/drm_crtc.h>
+#include <drm/drm_fourcc.h>
 
+#include "framebuffer.h"
 #include "psb_drv.h"
 #include "psb_reg.h"
-#include "framebuffer.h"
 
 /**
  *	psb_spank		-	reset the 2D engine
diff --git a/drivers/gpu/drm/gma500/backlight.c b/drivers/gpu/drm/gma500/backlight.c
index ea7dfc5..35600d0 100644
--- a/drivers/gpu/drm/gma500/backlight.c
+++ b/drivers/gpu/drm/gma500/backlight.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * GMA500 Backlight Interface
  *
  * Copyright (c) 2009-2011, Intel Corporation.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors: Eric Knopp
- *
  */
 
 #include "psb_drv.h"
diff --git a/drivers/gpu/drm/gma500/blitter.c b/drivers/gpu/drm/gma500/blitter.c
index 9cd54a6..cb2504a 100644
--- a/drivers/gpu/drm/gma500/blitter.c
+++ b/drivers/gpu/drm/gma500/blitter.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2014, Patrik Jakobsson
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
  * Authors: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
  */
 
diff --git a/drivers/gpu/drm/gma500/blitter.h b/drivers/gpu/drm/gma500/blitter.h
index b83648d..8d67dab 100644
--- a/drivers/gpu/drm/gma500/blitter.h
+++ b/drivers/gpu/drm/gma500/blitter.h
@@ -1,22 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2014, Patrik Jakobsson
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
  * Authors: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
  */
 
 #ifndef __BLITTER_H
 #define __BLITTER_H
 
+struct drm_psb_private;
+
 extern int gma_blt_wait_idle(struct drm_psb_private *dev_priv);
 
 #endif
diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c
index 34b8576..4d216a0 100644
--- a/drivers/gpu/drm/gma500/cdv_device.c
+++ b/drivers/gpu/drm/gma500/cdv_device.c
@@ -1,32 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
 #include <linux/backlight.h>
-#include <drm/drmP.h>
+#include <linux/delay.h>
+
 #include <drm/drm.h>
-#include <drm/gma_drm.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
+
 #include "cdv_device.h"
 #include "gma_device.h"
+#include "intel_bios.h"
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_reg.h"
 
 #define VGA_SR_INDEX		0x3c4
 #define VGA_SR_DATA		0x3c5
diff --git a/drivers/gpu/drm/gma500/cdv_device.h b/drivers/gpu/drm/gma500/cdv_device.h
index 705c11d..37e4bdc 100644
--- a/drivers/gpu/drm/gma500/cdv_device.h
+++ b/drivers/gpu/drm/gma500/cdv_device.h
@@ -1,20 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright © 2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+struct drm_crtc;
+struct drm_device;
+struct psb_intel_mode_device;
+
 extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs;
 extern const struct drm_crtc_funcs cdv_intel_crtc_funcs;
 extern const struct gma_clock_funcs cdv_clock_funcs;
diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c
index cb5a14b..29c36d6 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_crt.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c
@@ -24,16 +24,16 @@
  *	Eric Anholt <eric@anholt.net>
  */
 
+#include <linux/delay.h>
 #include <linux/i2c.h>
-#include <drm/drmP.h>
+#include <linux/pm_runtime.h>
 
+#include "cdv_device.h"
 #include "intel_bios.h"
+#include "power.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "power.h"
-#include "cdv_device.h"
-#include <linux/pm_runtime.h>
 
 
 static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c
index 17db4b4..f56852a 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_display.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_display.c
@@ -1,33 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2011 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  */
 
+#include <linux/delay.h>
 #include <linux/i2c.h>
 
-#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+
+#include "cdv_device.h"
 #include "framebuffer.h"
+#include "gma_display.h"
+#include "power.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "gma_display.h"
-#include "power.h"
-#include "cdv_device.h"
 
 static bool cdv_intel_find_dp_pll(const struct gma_limit_t *limit,
 				  struct drm_crtc *crtc, int target,
diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c
index 90ed200..570b595 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_dp.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
@@ -26,16 +26,17 @@
  */
 
 #include <linux/i2c.h>
-#include <linux/slab.h>
 #include <linux/module.h>
-#include <drm/drmP.h>
+#include <linux/slab.h>
+
 #include <drm/drm_crtc.h>
 #include <drm/drm_crtc_helper.h>
+#include <drm/drm_dp_helper.h>
+
+#include "gma_display.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "gma_display.h"
-#include <drm/drm_dp_helper.h>
 
 /**
  * struct i2c_algo_dp_aux_data - driver interface structure for i2c over dp
diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
index 4e4e4a6..1711a41 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
@@ -27,15 +27,16 @@
  *	We should probably make this generic and share it with Medfield
  */
 
-#include <drm/drmP.h>
+#include <linux/pm_runtime.h>
+
 #include <drm/drm.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
-#include "psb_intel_drv.h"
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
+
 #include "cdv_device.h"
-#include <linux/pm_runtime.h>
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
 
 /* hdmi control bits */
 #define HDMI_NULL_PACKETS_DURING_VSYNC	(1 << 9)
diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
index de9531c..ea0a5d9 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
@@ -1,36 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2011 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  *	Dave Airlie <airlied@linux.ie>
  *	Jesse Barnes <jesse.barnes@intel.com>
  */
 
-#include <linux/i2c.h>
 #include <linux/dmi.h>
-#include <drm/drmP.h>
+#include <linux/i2c.h>
+#include <linux/pm_runtime.h>
 
+#include "cdv_device.h"
 #include "intel_bios.h"
+#include "power.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-#include "cdv_device.h"
 
 /**
  * LVDS I2C backlight control macros
@@ -594,6 +581,9 @@
 	int pipe;
 	u8 pin;
 
+	if (!dev_priv->lvds_enabled_in_vbt)
+		return;
+
 	pin = GMBUS_PORT_PANEL;
 	if (!lvds_is_present_in_vbt(dev, &pin)) {
 		DRM_DEBUG_KMS("LVDS is not present in VBT\n");
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index adefae5..218f3bb 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -1,45 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2007-2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/pfn_t.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/init.h>
 #include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/pfn_t.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/tty.h>
 
-#include <drm/drmP.h>
 #include <drm/drm.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_drv.h"
 #include "framebuffer.h"
 #include "gtt.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
 
 static const struct drm_framebuffer_funcs psb_fb_funcs = {
 	.destroy = drm_gem_fb_destroy,
@@ -232,7 +220,7 @@
 	 * Reject unknown formats, YUV formats, and formats with more than
 	 * 4 bytes per pixel.
 	 */
-	info = drm_format_info(mode_cmd->pixel_format);
+	info = drm_get_format_info(dev, mode_cmd);
 	if (!info || !info->depth || info->cpp[0] > 4)
 		return -EINVAL;
 
@@ -389,7 +377,6 @@
 		ret = PTR_ERR(info);
 		goto out;
 	}
-	info->par = fbdev;
 
 	mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
 
@@ -402,10 +389,6 @@
 
 	fbdev->psb_fb_helper.fb = fb;
 
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-	strcpy(info->fix.id, "psbdrmfb");
-
-	info->flags = FBINFO_DEFAULT;
 	if (dev_priv->ops->accel_2d && pitch_lines > 8)	/* 2D engine */
 		info->fbops = &psbfb_ops;
 	else if (gtt_roll) {	/* GTT rolling seems best */
@@ -428,8 +411,7 @@
 		info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
 	}
 
-	drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
-				sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(info, &fbdev->psb_fb_helper, sizes);
 
 	info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
 	info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
diff --git a/drivers/gpu/drm/gma500/framebuffer.h b/drivers/gpu/drm/gma500/framebuffer.h
index 23dc3c5..ae8a026 100644
--- a/drivers/gpu/drm/gma500/framebuffer.h
+++ b/drivers/gpu/drm/gma500/framebuffer.h
@@ -1,28 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2008-2011, Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *      Eric Anholt <eric@anholt.net>
- *
  */
 
 #ifndef _FRAMEBUFFER_H_
 #define _FRAMEBUFFER_H_
 
-#include <drm/drmP.h>
 #include <drm/drm_fb_helper.h>
 
 #include "psb_drv.h"
@@ -34,7 +20,7 @@
 };
 
 struct psb_fbdev {
-	struct drm_fb_helper psb_fb_helper;
+	struct drm_fb_helper psb_fb_helper; /* must be first */
 	struct psb_framebuffer pfb;
 };
 
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c
index 576f1b2..83ee86f 100644
--- a/drivers/gpu/drm/gma500/gem.c
+++ b/drivers/gpu/drm/gma500/gem.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  psb GEM interface
  *
  * Copyright (c) 2011, Intel Corporation.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors: Alan Cox
  *
  * TODO:
@@ -23,10 +11,11 @@
  *		accelerated operations on a GEM object)
  */
 
-#include <drm/drmP.h>
+#include <linux/pagemap.h>
+
 #include <drm/drm.h>
-#include <drm/gma_drm.h>
 #include <drm/drm_vma_manager.h>
+
 #include "psb_drv.h"
 
 void psb_gem_free_object(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/gma500/gem.h b/drivers/gpu/drm/gma500/gem.h
index 1381c51..4a74dc6 100644
--- a/drivers/gpu/drm/gma500/gem.h
+++ b/drivers/gpu/drm/gma500/gem.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2014 Patrik Jakobsson
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
  **************************************************************************/
 
 #ifndef _GEM_H
diff --git a/drivers/gpu/drm/gma500/gma_device.c b/drivers/gpu/drm/gma500/gma_device.c
index a7fb6de..869f303 100644
--- a/drivers/gpu/drm/gma500/gma_device.c
+++ b/drivers/gpu/drm/gma500/gma_device.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
  **************************************************************************/
 
-#include <drm/drmP.h>
 #include "psb_drv.h"
 
 void gma_get_core_freq(struct drm_device *dev)
diff --git a/drivers/gpu/drm/gma500/gma_device.h b/drivers/gpu/drm/gma500/gma_device.h
index e1dbb00..a8cf31d 100644
--- a/drivers/gpu/drm/gma500/gma_device.h
+++ b/drivers/gpu/drm/gma500/gma_device.h
@@ -1,20 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
  **************************************************************************/
 
 #ifndef _GMA_DEVICE_H
 #define _GMA_DEVICE_H
+struct drm_device;
 
 extern void gma_get_core_freq(struct drm_device *dev);
 
diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
index 09c1161..e20ccb5 100644
--- a/drivers/gpu/drm/gma500/gma_display.c
+++ b/drivers/gpu/drm/gma500/gma_display.c
@@ -1,30 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2011 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  *	Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
  */
 
-#include <drm/drmP.h>
+#include <linux/delay.h>
+#include <linux/highmem.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_vblank.h>
+
+#include "framebuffer.h"
 #include "gma_display.h"
+#include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "psb_drv.h"
-#include "framebuffer.h"
 
 /**
  * Returns whether any output on the specified pipe is of the specified type
diff --git a/drivers/gpu/drm/gma500/gma_display.h b/drivers/gpu/drm/gma500/gma_display.h
index 239c374..fdbd7ec 100644
--- a/drivers/gpu/drm/gma500/gma_display.h
+++ b/drivers/gpu/drm/gma500/gma_display.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright © 2006-2011 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  *	Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
@@ -24,6 +12,9 @@
 
 #include <linux/pm_runtime.h>
 
+struct drm_encoder;
+struct drm_mode_set;
+
 struct gma_clock_t {
 	/* given values */
 	int n;
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index 3949b09..afaf4be 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -1,29 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2007, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
  *	    Alan Cox <alan@linux.intel.com>
  */
 
-#include <drm/drmP.h>
 #include <linux/shmem_fs.h>
+
 #include <asm/set_memory.h>
-#include "psb_drv.h"
+
 #include "blitter.h"
+#include "psb_drv.h"
 
 
 /*
diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h
index cb0c3a2..3cf1902 100644
--- a/drivers/gpu/drm/gma500/gtt.h
+++ b/drivers/gpu/drm/gma500/gtt.h
@@ -1,26 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2007-2008, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
 #ifndef _PSB_GTT_H_
 #define _PSB_GTT_H_
 
-#include <drm/drmP.h>
 #include <drm/drm_gem.h>
 
 /* This wants cleaning up with respect to the psb_dev and un-needed stuff */
diff --git a/drivers/gpu/drm/gma500/intel_bios.c b/drivers/gpu/drm/gma500/intel_bios.c
index 63bde4e..8ad6337 100644
--- a/drivers/gpu/drm/gma500/intel_bios.c
+++ b/drivers/gpu/drm/gma500/intel_bios.c
@@ -1,30 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2006 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *    Eric Anholt <eric@anholt.net>
- *
  */
-#include <drm/drmP.h>
 #include <drm/drm.h>
-#include <drm/gma_drm.h>
+#include <drm/drm_dp_helper.h>
+
+#include "intel_bios.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "intel_bios.h"
 
 #define	SLAVE_ADDR1	0x70
 #define	SLAVE_ADDR2	0x72
@@ -436,6 +423,9 @@
 	if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
 		dev_priv->edp.support = 1;
 
+	dev_priv->lvds_enabled_in_vbt = driver->lvds_config != 0;
+	DRM_DEBUG_KMS("LVDS VBT config bits: 0x%x\n", driver->lvds_config);
+
 	/* This bit means to use 96Mhz for DPLL_A or not */
 	if (driver->primary_lfp_id)
 		dev_priv->dplla_96mhz = true;
diff --git a/drivers/gpu/drm/gma500/intel_bios.h b/drivers/gpu/drm/gma500/intel_bios.h
index e0ccf1d..a1f9ce9 100644
--- a/drivers/gpu/drm/gma500/intel_bios.h
+++ b/drivers/gpu/drm/gma500/intel_bios.h
@@ -1,29 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2006 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *    Eric Anholt <eric@anholt.net>
- *
  */
 
 #ifndef _INTEL_BIOS_H_
 #define _INTEL_BIOS_H_
 
-#include <drm/drmP.h>
-#include <drm/drm_dp_helper.h>
+struct drm_device;
 
 struct vbt_header {
 	u8 signature[20];		/**< Always starts with 'VBT$' */
diff --git a/drivers/gpu/drm/gma500/intel_gmbus.c b/drivers/gpu/drm/gma500/intel_gmbus.c
index e7e2218..a083fbf 100644
--- a/drivers/gpu/drm/gma500/intel_gmbus.c
+++ b/drivers/gpu/drm/gma500/intel_gmbus.c
@@ -26,13 +26,14 @@
  *	Eric Anholt <eric@anholt.net>
  *	Chris Wilson <chris@chris-wilson.co.uk>
  */
-#include <linux/module.h>
-#include <linux/i2c.h>
+
+#include <linux/delay.h>
 #include <linux/i2c-algo-bit.h>
-#include <drm/drmP.h>
-#include "psb_intel_drv.h"
-#include <drm/gma_drm.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+
 #include "psb_drv.h"
+#include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
 
 #define _wait_for(COND, MS, W) ({ \
diff --git a/drivers/gpu/drm/gma500/intel_i2c.c b/drivers/gpu/drm/gma500/intel_i2c.c
index 98a28c2..de88101 100644
--- a/drivers/gpu/drm/gma500/intel_i2c.c
+++ b/drivers/gpu/drm/gma500/intel_i2c.c
@@ -1,25 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2007 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  */
+
+#include <linux/delay.h>
 #include <linux/export.h>
-#include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
+#include <linux/i2c.h>
 
 #include "psb_drv.h"
 #include "psb_intel_reg.h"
diff --git a/drivers/gpu/drm/gma500/mdfld_device.c b/drivers/gpu/drm/gma500/mdfld_device.c
index e2ab858..b718efc 100644
--- a/drivers/gpu/drm/gma500/mdfld_device.c
+++ b/drivers/gpu/drm/gma500/mdfld_device.c
@@ -1,30 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
-#include "psb_drv.h"
-#include "mid_bios.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_output.h"
-#include "tc35876x-dsi-lvds.h"
+#include <linux/delay.h>
 
 #include <asm/intel_scu_ipc.h>
 
+#include "mdfld_dsi_output.h"
+#include "mdfld_output.h"
+#include "mid_bios.h"
+#include "psb_drv.h"
+#include "tc35876x-dsi-lvds.h"
+
 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 
 #define MRST_BLC_MAX_PWM_REG_FREQ	    0xFFFF
@@ -342,7 +332,7 @@
 
 	if (pipenum == 1) {
 		/* restore palette (gamma) */
-		/*DRM_UDELAY(50000); */
+		/* udelay(50000); */
 		for (i = 0; i < 256; i++)
 			PSB_WVDC32(pipe->palette[i], map->palette + (i << 2));
 
@@ -404,7 +394,7 @@
 	PSB_WVDC32(pipe->conf, map->conf);
 
 	/* restore palette (gamma) */
-	/*DRM_UDELAY(50000); */
+	/* udelay(50000); */
 	for (i = 0; i < 256; i++)
 		PSB_WVDC32(pipe->palette[i], map->palette + (i << 2));
 
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
index d0bf5a1..d4c65f2 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
@@ -25,9 +25,11 @@
  * Jackie Li<yaodong.li@intel.com>
  */
 
+#include <linux/delay.h>
+
 #include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
 #include "mdfld_dsi_pkg_sender.h"
+#include "mdfld_output.h"
 #include "psb_drv.h"
 #include "tc35876x-dsi-lvds.h"
 
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
index fe02092..03023fa 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
@@ -25,16 +25,18 @@
  * Jackie Li<yaodong.li@intel.com>
  */
 
-#include <linux/module.h>
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "tc35876x-dsi-lvds.h"
+#include <linux/delay.h>
+#include <linux/moduleparam.h>
 #include <linux/pm_runtime.h>
+
 #include <asm/intel_scu_ipc.h>
 
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_dsi_output.h"
+#include "mdfld_dsi_pkg_sender.h"
+#include "mdfld_output.h"
+#include "tc35876x-dsi-lvds.h"
+
 /* get the LABC from command line. */
 static int LABC_control = 1;
 
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.h b/drivers/gpu/drm/gma500/mdfld_dsi_output.h
index 5b646c1..0cccfe4 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_output.h
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.h
@@ -29,17 +29,17 @@
 #define __MDFLD_DSI_OUTPUT_H__
 
 #include <linux/backlight.h>
-#include <drm/drmP.h>
+
+#include <asm/intel-mid.h>
+
 #include <drm/drm.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
 
+#include "mdfld_output.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "mdfld_output.h"
-
-#include <asm/intel-mid.h>
 
 #define FLD_MASK(start, end)	(((1 << ((start) - (end) + 1)) - 1) << (end))
 #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
index c50534c..6e0de83 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
@@ -24,12 +24,14 @@
  * Jackie Li<yaodong.li@intel.com>
  */
 
+#include <linux/delay.h>
 #include <linux/freezer.h>
+
 #include <video/mipi_display.h>
 
+#include "mdfld_dsi_dpi.h"
 #include "mdfld_dsi_output.h"
 #include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_dsi_dpi.h"
 
 #define MDFLD_DSI_READ_MAX_COUNT		5000
 
diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c
index 2b9fa01..b8bfb96 100644
--- a/drivers/gpu/drm/gma500/mdfld_intel_display.c
+++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c
@@ -1,32 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2007 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  */
 
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/pm_runtime.h>
 
-#include <drm/drmP.h>
-#include "psb_intel_reg.h"
-#include "gma_display.h"
+#include <drm/drm_crtc.h>
+#include <drm/drm_fourcc.h>
+
 #include "framebuffer.h"
-#include "mdfld_output.h"
+#include "gma_display.h"
 #include "mdfld_dsi_output.h"
+#include "mdfld_output.h"
+#include "psb_intel_reg.h"
 
 /* Hardcoded currently */
 static int ksel = KSEL_CRYSTAL_19;
diff --git a/drivers/gpu/drm/gma500/mdfld_tmd_vid.c b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
index dc0c6c3..49c92de 100644
--- a/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
+++ b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
@@ -27,6 +27,8 @@
  * Scott Rowe <scott.m.rowe@intel.com>
  */
 
+#include <linux/delay.h>
+
 #include "mdfld_dsi_dpi.h"
 #include "mdfld_dsi_pkg_sender.h"
 
diff --git a/drivers/gpu/drm/gma500/mid_bios.c b/drivers/gpu/drm/gma500/mid_bios.c
index 237041a..8ab44fe 100644
--- a/drivers/gpu/drm/gma500/mid_bios.c
+++ b/drivers/gpu/drm/gma500/mid_bios.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
 /* TODO
@@ -23,11 +11,10 @@
  * - Check ioremap failures
  */
 
-#include <drm/drmP.h>
 #include <drm/drm.h>
-#include <drm/gma_drm.h>
-#include "psb_drv.h"
+
 #include "mid_bios.h"
+#include "psb_drv.h"
 
 static void mid_get_fuse_settings(struct drm_device *dev)
 {
diff --git a/drivers/gpu/drm/gma500/mid_bios.h b/drivers/gpu/drm/gma500/mid_bios.h
index 00e7d56..8707f7c 100644
--- a/drivers/gpu/drm/gma500/mid_bios.h
+++ b/drivers/gpu/drm/gma500/mid_bios.h
@@ -1,21 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
+struct drm_device;
 
 extern int mid_chip_setup(struct drm_device *dev);
 
diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c
index ccb161c..505044c 100644
--- a/drivers/gpu/drm/gma500/mmu.c
+++ b/drivers/gpu/drm/gma500/mmu.c
@@ -1,24 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2007, Intel Corporation.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
-#include <drm/drmP.h>
+
+#include <linux/highmem.h>
+
+#include "mmu.h"
 #include "psb_drv.h"
 #include "psb_reg.h"
-#include "mmu.h"
 
 /*
  * Code for the SGX MMU:
diff --git a/drivers/gpu/drm/gma500/mmu.h b/drivers/gpu/drm/gma500/mmu.h
index e89abec..d4b5720 100644
--- a/drivers/gpu/drm/gma500/mmu.h
+++ b/drivers/gpu/drm/gma500/mmu.h
@@ -1,15 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2007-2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
  **************************************************************************/
 
 #ifndef __MMU_H
diff --git a/drivers/gpu/drm/gma500/oaktrail.h b/drivers/gpu/drm/gma500/oaktrail.h
index 30adbbe..8d20fa2 100644
--- a/drivers/gpu/drm/gma500/oaktrail.h
+++ b/drivers/gpu/drm/gma500/oaktrail.h
@@ -1,22 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2007-2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
+struct psb_intel_mode_device;
+
 /* MID device specific descriptors */
 
 struct oaktrail_timing_info {
diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c
index 1b7fd6a..167c107 100644
--- a/drivers/gpu/drm/gma500/oaktrail_crtc.c
+++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
@@ -1,30 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/pm_runtime.h>
 
-#include <drm/drmP.h>
+#include <drm/drm_fourcc.h>
+
 #include "framebuffer.h"
+#include "gma_display.h"
+#include "power.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "gma_display.h"
-#include "power.h"
 
 #define MRST_LIMIT_LVDS_100L	0
 #define MRST_LIMIT_LVDS_83	1
diff --git a/drivers/gpu/drm/gma500/oaktrail_device.c b/drivers/gpu/drm/gma500/oaktrail_device.c
index ba30b43..ade7e24 100644
--- a/drivers/gpu/drm/gma500/oaktrail_device.c
+++ b/drivers/gpu/drm/gma500/oaktrail_device.c
@@ -1,35 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
 #include <linux/backlight.h>
-#include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/dmi.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/gma_drm.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
+#include <linux/module.h>
+
 #include <asm/intel-mid.h>
 #include <asm/intel_scu_ipc.h>
-#include "mid_bios.h"
+
+#include <drm/drm.h>
+
 #include "intel_bios.h"
+#include "mid_bios.h"
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_reg.h"
 
 static int oaktrail_output_init(struct drm_device *dev)
 {
@@ -327,7 +317,7 @@
 
 	/* Actually enable it */
 	PSB_WVDC32(p->dpll, MRST_DPLL_A);
-	DRM_UDELAY(150);
+	udelay(150);
 
 	/* Restore mode */
 	PSB_WVDC32(p->htotal, HTOTAL_A);
diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
index c6d72de..f4c5208 100644
--- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c
+++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
@@ -24,11 +24,13 @@
  *	Li Peng <peng.li@intel.com>
  */
 
-#include <drm/drmP.h>
+#include <linux/delay.h>
+
 #include <drm/drm.h>
+
+#include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "psb_drv.h"
 
 #define HDMI_READ(reg)		readl(hdmi_dev->regs + (reg))
 #define HDMI_WRITE(reg, val)	writel(val, hdmi_dev->regs + (reg))
@@ -815,7 +817,7 @@
 	PSB_WVDC32(hdmi_dev->saveDPLL_ADJUST, DPLL_ADJUST);
 	PSB_WVDC32(hdmi_dev->saveDPLL_UPDATE, DPLL_UPDATE);
 	PSB_WVDC32(hdmi_dev->saveDPLL_CLK_ENABLE, DPLL_CLK_ENABLE);
-	DRM_UDELAY(150);
+	udelay(150);
 
 	/* pipe */
 	PSB_WVDC32(pipeb->src, PIPEBSRC);
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c
index 83babb8..7390403 100644
--- a/drivers/gpu/drm/gma500/oaktrail_lvds.c
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2009 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  *	Dave Airlie <airlied@linux.ie>
@@ -21,15 +9,15 @@
  */
 
 #include <linux/i2c.h>
-#include <drm/drmP.h>
+#include <linux/pm_runtime.h>
+
 #include <asm/intel-mid.h>
 
 #include "intel_bios.h"
+#include "power.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
 
 /* The max/min PWM frequency in BPCR[31:17] - */
 /* The smallest number is 1 (not 0) that can fit in the
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds_i2c.c b/drivers/gpu/drm/gma500/oaktrail_lvds_i2c.c
index f913a62..baaf821 100644
--- a/drivers/gpu/drm/gma500/oaktrail_lvds_i2c.c
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds_i2c.c
@@ -23,17 +23,16 @@
  *
  */
 
+#include <linux/delay.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/delay.h>
 
-#include <drm/drmP.h>
 #include "psb_drv.h"
 #include "psb_intel_reg.h"
 
diff --git a/drivers/gpu/drm/gma500/power.h b/drivers/gpu/drm/gma500/power.h
index 56d8708..0c89c4d 100644
--- a/drivers/gpu/drm/gma500/power.h
+++ b/drivers/gpu/drm/gma500/power.h
@@ -31,7 +31,9 @@
 #define _PSB_POWERMGMT_H_
 
 #include <linux/pci.h>
-#include <drm/drmP.h>
+
+struct device;
+struct drm_device;
 
 void gma_power_init(struct drm_device *dev);
 void gma_power_uninit(struct drm_device *dev);
diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c
index dc0f852..ece994c 100644
--- a/drivers/gpu/drm/gma500/psb_device.c
+++ b/drivers/gpu/drm/gma500/psb_device.c
@@ -1,32 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
 #include <linux/backlight.h>
-#include <drm/drmP.h>
+
 #include <drm/drm.h>
-#include <drm/gma_drm.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
+
+#include "gma_device.h"
 #include "intel_bios.h"
 #include "psb_device.h"
-#include "gma_device.h"
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_reg.h"
 
 static int psb_output_init(struct drm_device *dev)
 {
diff --git a/drivers/gpu/drm/gma500/psb_device.h b/drivers/gpu/drm/gma500/psb_device.h
index 35e304c..3f11179 100644
--- a/drivers/gpu/drm/gma500/psb_device.h
+++ b/drivers/gpu/drm/gma500/psb_device.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright © 2013 Patrik Jakobsson
  * Copyright © 2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _PSB_DEVICE_H_
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index ac32ab5..7005f8f 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -1,41 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2007-2011, Intel Corporation.
  * All Rights Reserved.
  * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
-#include <drm/drmP.h>
+#include <linux/cpu.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/pm_runtime.h>
+#include <linux/spinlock.h>
+
+#include <asm/set_memory.h>
+
+#include <acpi/video.h>
+
 #include <drm/drm.h>
-#include "psb_drv.h"
+#include <drm/drm_drv.h>
+#include <drm/drm_file.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_irq.h>
+#include <drm/drm_pci.h>
+#include <drm/drm_pciids.h>
+#include <drm/drm_vblank.h>
+
 #include "framebuffer.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
 #include "intel_bios.h"
 #include "mid_bios.h"
-#include <drm/drm_pciids.h>
 #include "power.h"
-#include <linux/cpu.h>
-#include <linux/notifier.h>
-#include <linux/spinlock.h>
-#include <linux/pm_runtime.h>
-#include <acpi/video.h>
-#include <linux/module.h>
-#include <asm/set_memory.h>
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_reg.h"
 
 static struct drm_driver driver;
 static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
@@ -468,8 +465,7 @@
 };
 
 static struct drm_driver driver = {
-	.driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
-			   DRIVER_MODESET | DRIVER_GEM,
+	.driver_features = DRIVER_MODESET | DRIVER_GEM,
 	.load = psb_driver_load,
 	.unload = psb_driver_unload,
 	.lastclose = drm_fb_helper_lastclose,
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
index 93d2f40..9b3c03f 100644
--- a/drivers/gpu/drm/gma500/psb_drv.h
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2007-2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  **************************************************************************/
 
 #ifndef _PSB_DRV_H_
@@ -23,18 +11,17 @@
 #include <linux/kref.h>
 #include <linux/mm_types.h>
 
-#include <drm/drmP.h>
-#include <drm/drm_global.h>
-#include <drm/gma_drm.h>
-#include "psb_reg.h"
-#include "psb_intel_drv.h"
+#include <drm/drm_device.h>
+
 #include "gma_display.h"
-#include "intel_bios.h"
 #include "gtt.h"
-#include "power.h"
-#include "opregion.h"
-#include "oaktrail.h"
+#include "intel_bios.h"
 #include "mmu.h"
+#include "oaktrail.h"
+#include "opregion.h"
+#include "power.h"
+#include "psb_intel_drv.h"
+#include "psb_reg.h"
 
 #define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
 
@@ -538,6 +525,7 @@
 	int lvds_ssc_freq;
 	bool is_lvds_on;
 	bool is_mipi_on;
+	bool lvds_enabled_in_vbt;
 	u32 mipi_ctrl_display;
 
 	unsigned int core_freq;
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index 8762efa..4256410 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -1,33 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2011 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  */
 
+#include <linux/delay.h>
 #include <linux/i2c.h>
 
-#include <drm/drmP.h>
 #include <drm/drm_plane_helper.h>
+
 #include "framebuffer.h"
+#include "gma_display.h"
+#include "power.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "gma_display.h"
-#include "power.h"
 
 #define INTEL_LIMIT_I9XX_SDVO_DAC   0
 #define INTEL_LIMIT_I9XX_LVDS	    1
diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h b/drivers/gpu/drm/gma500/psb_intel_drv.h
index e05e539..cdf1033 100644
--- a/drivers/gpu/drm/gma500/psb_intel_drv.h
+++ b/drivers/gpu/drm/gma500/psb_intel_drv.h
@@ -1,19 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2009-2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  */
 
 #ifndef __INTEL_DRV_H__
@@ -24,6 +11,7 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_encoder.h>
+#include <drm/drm_probe_helper.h>
 #include <linux/gpio.h>
 #include "gma_display.h"
 
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c
index 8baf632..afaebab 100644
--- a/drivers/gpu/drm/gma500/psb_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright © 2006-2007 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  *	Dave Airlie <airlied@linux.ie>
@@ -21,14 +9,13 @@
  */
 
 #include <linux/i2c.h>
-#include <drm/drmP.h>
+#include <linux/pm_runtime.h>
 
 #include "intel_bios.h"
+#include "power.h"
 #include "psb_drv.h"
 #include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
 
 /*
  * LVDS I2C backlight control macros
diff --git a/drivers/gpu/drm/gma500/psb_intel_modes.c b/drivers/gpu/drm/gma500/psb_intel_modes.c
index fb4da3c..88653a4 100644
--- a/drivers/gpu/drm/gma500/psb_intel_modes.c
+++ b/drivers/gpu/drm/gma500/psb_intel_modes.c
@@ -1,24 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2007 Intel Corporation
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authers: Jesse Barnes <jesse.barnes@intel.com>
  */
 
 #include <linux/i2c.h>
-#include <drm/drmP.h>
+
 #include "psb_intel_drv.h"
 
 /**
diff --git a/drivers/gpu/drm/gma500/psb_intel_reg.h b/drivers/gpu/drm/gma500/psb_intel_reg.h
index 0be30e4..835cc92 100644
--- a/drivers/gpu/drm/gma500/psb_intel_reg.h
+++ b/drivers/gpu/drm/gma500/psb_intel_reg.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2009, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 #ifndef __PSB_INTEL_REG_H__
 #define __PSB_INTEL_REG_H__
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
index dd3cec0..264d7ad 100644
--- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -25,19 +25,20 @@
  * Authors:
  *	Eric Anholt <eric@anholt.net>
  */
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <linux/slab.h>
+
 #include <linux/delay.h>
-#include <drm/drmP.h>
+#include <linux/i2c.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
-#include "psb_intel_drv.h"
-#include <drm/gma_drm.h>
+
 #include "psb_drv.h"
-#include "psb_intel_sdvo_regs.h"
+#include "psb_intel_drv.h"
 #include "psb_intel_reg.h"
-#include <linux/kernel.h>
+#include "psb_intel_sdvo_regs.h"
 
 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
 #define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 78eb109..e6265fb 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -1,34 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2007, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
  * develop this driver.
  *
  **************************************************************************/
-/*
- */
 
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "psb_irq.h"
+#include <drm/drm_vblank.h>
+
 #include "mdfld_output.h"
+#include "power.h"
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_irq.h"
+#include "psb_reg.h"
 
 /*
  * inline functions
diff --git a/drivers/gpu/drm/gma500/psb_irq.h b/drivers/gpu/drm/gma500/psb_irq.h
index e6a81a8..58fd502 100644
--- a/drivers/gpu/drm/gma500/psb_irq.h
+++ b/drivers/gpu/drm/gma500/psb_irq.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  * Copyright (c) 2009-2011, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors:
  *    Benjamin Defnet <benjamin.r.defnet@intel.com>
  *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
@@ -24,7 +12,7 @@
 #ifndef _PSB_IRQ_H_
 #define _PSB_IRQ_H_
 
-#include <drm/drmP.h>
+struct drm_device;
 
 bool sysirq_init(struct drm_device *dev);
 void sysirq_uninit(struct drm_device *dev);
diff --git a/drivers/gpu/drm/gma500/psb_lid.c b/drivers/gpu/drm/gma500/psb_lid.c
index be6dda5..97b0c52 100644
--- a/drivers/gpu/drm/gma500/psb_lid.c
+++ b/drivers/gpu/drm/gma500/psb_lid.c
@@ -1,28 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**************************************************************************
  * Copyright (c) 2007, Intel Corporation.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
  * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
  **************************************************************************/
 
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
 #include <linux/spinlock.h>
 
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_reg.h"
+
 static void psb_lid_timer_func(struct timer_list *t)
 {
 	struct drm_psb_private *dev_priv = from_timer(dev_priv, t, lid_timer);
diff --git a/drivers/gpu/drm/gma500/psb_reg.h b/drivers/gpu/drm/gma500/psb_reg.h
index b81c7c1..fb22bac 100644
--- a/drivers/gpu/drm/gma500/psb_reg.h
+++ b/drivers/gpu/drm/gma500/psb_reg.h
@@ -1,22 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /**************************************************************************
  *
  * Copyright (c) (2005-2007) Imagination Technologies Limited.
  * Copyright (c) 2007, Intel Corporation.
  * All Rights Reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA..
- *
  **************************************************************************/
 
 #ifndef _PSB_REG_H_
diff --git a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
index 37c997e..7de3ce6 100644
--- a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
+++ b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
@@ -22,15 +22,18 @@
  *
  */
 
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "tc35876x-dsi-lvds.h"
-#include <linux/platform_data/tc35876x.h>
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/platform_data/tc35876x.h>
+
 #include <asm/intel_scu_ipc.h>
 
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_dsi_pkg_sender.h"
+#include "mdfld_output.h"
+#include "tc35876x-dsi-lvds.h"
+
 static struct i2c_client *tc35876x_client;
 static struct i2c_client *cmi_lcd_i2c_client;