diff --git a/MAINTAINERS b/MAINTAINERS
index efee40ea5..f7c97eb24 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7148,6 +7148,14 @@ S:	Supported
 T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
 F:	drivers/gpu/drm/sun4i/sun8i*
 
+DRM DRIVER FOR APPLE TOUCH BARS
+M:	Aun-Ali Zaidi <admin@kodeit.net>
+M:	Aditya Garg <gargaditya08@live.com>
+L:	dri-devel@lists.freedesktop.org
+S:	Maintained
+T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
+F:	drivers/gpu/drm/tiny/appletbdrm.c
+
 DRM DRIVER FOR ARM PL111 CLCD
 M:	Linus Walleij <linus.walleij@linaro.org>
 S:	Maintained
diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
index 94cbdb133..25471791c 100644
--- a/drivers/gpu/drm/tiny/Kconfig
+++ b/drivers/gpu/drm/tiny/Kconfig
@@ -1,5 +1,19 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
+config DRM_APPLETBDRM
+	tristate "DRM support for Apple Touch Bars"
+	depends on DRM && USB && MMU
+	select DRM_GEM_SHMEM_HELPER
+	select DRM_KMS_HELPER
+	select HID_APPLETB_BL
+	select HID_MULTITOUCH
+	help
+	  Say Y here if you want support for the display of Touch Bars on x86
+	  MacBook Pros.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called appletbdrm.
+
 config DRM_ARCPGU
 	tristate "ARC PGU"
 	depends on DRM && OF
diff --git a/drivers/gpu/drm/tiny/Makefile b/drivers/gpu/drm/tiny/Makefile
index 60816d2eb..0a3a7837a 100644
--- a/drivers/gpu/drm/tiny/Makefile
+++ b/drivers/gpu/drm/tiny/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
+obj-$(CONFIG_DRM_APPLETBDRM)		+= appletbdrm.o
 obj-$(CONFIG_DRM_ARCPGU)		+= arcpgu.o
 obj-$(CONFIG_DRM_BOCHS)			+= bochs.o
 obj-$(CONFIG_DRM_CIRRUS_QEMU)		+= cirrus-qemu.o
diff --git a/drivers/gpu/drm/tiny/appletbdrm.c b/drivers/gpu/drm/tiny/appletbdrm.c
new file mode 100644
index 000000000..59a2b20d4
--- /dev/null
+++ b/drivers/gpu/drm/tiny/appletbdrm.c
@@ -0,0 +1,835 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Apple Touch Bar DRM Driver
+ *
+ * Copyright (c) 2023 Kerem Karabay <kekrby@gmail.com>
+ */
+
+#include <linux/align.h>
+#include <linux/array_size.h>
+#include <linux/bitops.h>
+#include <linux/bug.h>
+#include <linux/container_of.h>
+#include <linux/dev_printk.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/overflow.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/unaligned.h>
+#include <linux/usb.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_damage_helper.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_format_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_plane.h>
+#include <drm/drm_probe_helper.h>
+
+#define __APPLETBDRM_MSG_STR4(str4)	((__le32 __force)((str4[0] << 24) | (str4[1] << 16) | (str4[2] << 8) | str4[3]))
+#define __APPLETBDRM_MSG_TOK4(tok4)	__APPLETBDRM_MSG_STR4(#tok4)
+
+#define APPLETBDRM_PIXEL_FORMAT		__APPLETBDRM_MSG_TOK4(RGBA) /* The actual format is BGR888 */
+#define APPLETBDRM_BITS_PER_PIXEL	24
+
+#define APPLETBDRM_MSG_CLEAR_DISPLAY	__APPLETBDRM_MSG_TOK4(CLRD)
+#define APPLETBDRM_MSG_GET_INFORMATION	__APPLETBDRM_MSG_TOK4(GINF)
+#define APPLETBDRM_MSG_UPDATE_COMPLETE	__APPLETBDRM_MSG_TOK4(UDCL)
+#define APPLETBDRM_MSG_SIGNAL_READINESS	__APPLETBDRM_MSG_TOK4(REDY)
+
+#define APPLETBDRM_BULK_MSG_TIMEOUT	1000
+
+#define drm_to_adev(_drm)		container_of(_drm, struct appletbdrm_device, drm)
+#define adev_to_udev(adev)		interface_to_usbdev(to_usb_interface(adev->dev))
+
+struct appletbdrm_msg_request_header {
+	__le16 unk_00;
+	__le16 unk_02;
+	__le32 unk_04;
+	__le32 unk_08;
+	__le32 size;
+} __packed;
+
+struct appletbdrm_msg_response_header {
+	u8 unk_00[16];
+	__le32 msg;
+} __packed;
+
+struct appletbdrm_msg_simple_request {
+	struct appletbdrm_msg_request_header header;
+	__le32 msg;
+	u8 unk_14[8];
+	__le32 size;
+} __packed;
+
+struct appletbdrm_msg_information {
+	struct appletbdrm_msg_response_header header;
+	u8 unk_14[12];
+	__le32 width;
+	__le32 height;
+	u8 bits_per_pixel;
+	__le32 bytes_per_row;
+	__le32 orientation;
+	__le32 bitmap_info;
+	__le32 pixel_format;
+	__le32 width_inches;	/* floating point */
+	__le32 height_inches;	/* floating point */
+} __packed;
+
+struct appletbdrm_frame {
+	__le16 begin_x;
+	__le16 begin_y;
+	__le16 width;
+	__le16 height;
+	__le32 buf_size;
+	u8 buf[];
+} __packed;
+
+struct appletbdrm_fb_request_footer {
+	u8 unk_00[12];
+	__le32 unk_0c;
+	u8 unk_10[12];
+	__le32 unk_1c;
+	__le64 timestamp;
+	u8 unk_28[12];
+	__le32 unk_34;
+	u8 unk_38[20];
+	__le32 unk_4c;
+} __packed;
+
+struct appletbdrm_fb_request {
+	struct appletbdrm_msg_request_header header;
+	__le16 unk_10;
+	u8 msg_id;
+	u8 unk_13[29];
+	/*
+	 * Contents of `data`:
+	 * - struct appletbdrm_frame frames[];
+	 * - struct appletbdrm_fb_request_footer footer;
+	 * - padding to make the total size a multiple of 16
+	 */
+	u8 data[];
+} __packed;
+
+struct appletbdrm_fb_request_response {
+	struct appletbdrm_msg_response_header header;
+	u8 unk_14[12];
+	__le64 timestamp;
+} __packed;
+
+struct appletbdrm_device {
+	struct device *dev;
+
+	unsigned int in_ep;
+	unsigned int out_ep;
+
+	unsigned int width;
+	unsigned int height;
+
+	struct drm_device drm;
+	struct drm_display_mode mode;
+	struct drm_connector connector;
+	struct drm_plane primary_plane;
+	struct drm_crtc crtc;
+	struct drm_encoder encoder;
+};
+
+struct appletbdrm_plane_state {
+	struct drm_shadow_plane_state base;
+	struct appletbdrm_fb_request *request;
+	struct appletbdrm_fb_request_response *response;
+	size_t request_size;
+	size_t frames_size;
+};
+
+static inline struct appletbdrm_plane_state *to_appletbdrm_plane_state(struct drm_plane_state *state)
+{
+	return container_of(state, struct appletbdrm_plane_state, base.base);
+}
+
+static int appletbdrm_send_request(struct appletbdrm_device *adev,
+				   struct appletbdrm_msg_request_header *request, size_t size)
+{
+	struct usb_device *udev = adev_to_udev(adev);
+	struct drm_device *drm = &adev->drm;
+	int ret, actual_size;
+
+	ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, adev->out_ep),
+			   request, size, &actual_size, APPLETBDRM_BULK_MSG_TIMEOUT);
+	if (ret) {
+		drm_err(drm, "Failed to send message (%d)\n", ret);
+		return ret;
+	}
+
+	if (actual_size != size) {
+		drm_err(drm, "Actual size (%d) doesn't match expected size (%lu)\n",
+			actual_size, size);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int appletbdrm_read_response(struct appletbdrm_device *adev,
+				    struct appletbdrm_msg_response_header *response,
+				    size_t size, __le32 expected_response)
+{
+	struct usb_device *udev = adev_to_udev(adev);
+	struct drm_device *drm = &adev->drm;
+	int ret, actual_size;
+	bool readiness_signal_received = false;
+
+retry:
+	ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, adev->in_ep),
+			   response, size, &actual_size, APPLETBDRM_BULK_MSG_TIMEOUT);
+	if (ret) {
+		drm_err(drm, "Failed to read response (%d)\n", ret);
+		return ret;
+	}
+
+	/*
+	 * The device responds to the first request sent in a particular
+	 * timeframe after the USB device configuration is set with a readiness
+	 * signal, in which case the response should be read again
+	 */
+	if (response->msg == APPLETBDRM_MSG_SIGNAL_READINESS) {
+		if (!readiness_signal_received) {
+			readiness_signal_received = true;
+			goto retry;
+		}
+
+		drm_err(drm, "Encountered unexpected readiness signal\n");
+		return -EINTR;
+	}
+
+	if (actual_size != size) {
+		drm_err(drm, "Actual size (%d) doesn't match expected size (%lu)\n",
+			actual_size, size);
+		return -EBADMSG;
+	}
+
+	if (response->msg != expected_response) {
+		drm_err(drm, "Unexpected response from device (expected %p4cc found %p4cc)\n",
+			&expected_response, &response->msg);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int appletbdrm_send_msg(struct appletbdrm_device *adev, __le32 msg)
+{
+	struct appletbdrm_msg_simple_request *request;
+	int ret;
+
+	request = kzalloc(sizeof(*request), GFP_KERNEL);
+	if (!request)
+		return -ENOMEM;
+
+	request->header.unk_00 = cpu_to_le16(2);
+	request->header.unk_02 = cpu_to_le16(0x1512);
+	request->header.size = cpu_to_le32(sizeof(*request) - sizeof(request->header));
+	request->msg = msg;
+	request->size = request->header.size;
+
+	ret = appletbdrm_send_request(adev, &request->header, sizeof(*request));
+
+	kfree(request);
+
+	return ret;
+}
+
+static int appletbdrm_clear_display(struct appletbdrm_device *adev)
+{
+	return appletbdrm_send_msg(adev, APPLETBDRM_MSG_CLEAR_DISPLAY);
+}
+
+static int appletbdrm_signal_readiness(struct appletbdrm_device *adev)
+{
+	return appletbdrm_send_msg(adev, APPLETBDRM_MSG_SIGNAL_READINESS);
+}
+
+static int appletbdrm_get_information(struct appletbdrm_device *adev)
+{
+	struct appletbdrm_msg_information *info;
+	struct drm_device *drm = &adev->drm;
+	u8 bits_per_pixel;
+	__le32 pixel_format;
+	int ret;
+
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	ret = appletbdrm_send_msg(adev, APPLETBDRM_MSG_GET_INFORMATION);
+	if (ret)
+		return ret;
+
+	ret = appletbdrm_read_response(adev, &info->header, sizeof(*info),
+				       APPLETBDRM_MSG_GET_INFORMATION);
+	if (ret)
+		goto free_info;
+
+	bits_per_pixel = info->bits_per_pixel;
+	pixel_format = get_unaligned(&info->pixel_format);
+
+	adev->width = get_unaligned_le32(&info->width);
+	adev->height = get_unaligned_le32(&info->height);
+
+	if (bits_per_pixel != APPLETBDRM_BITS_PER_PIXEL) {
+		drm_err(drm, "Encountered unexpected bits per pixel value (%d)\n", bits_per_pixel);
+		ret = -EINVAL;
+		goto free_info;
+	}
+
+	if (pixel_format != APPLETBDRM_PIXEL_FORMAT) {
+		drm_err(drm, "Encountered unknown pixel format (%p4cc)\n", &pixel_format);
+		ret = -EINVAL;
+		goto free_info;
+	}
+
+free_info:
+	kfree(info);
+
+	return ret;
+}
+
+static u32 rect_size(struct drm_rect *rect)
+{
+	return drm_rect_width(rect) * drm_rect_height(rect) *
+		(BITS_TO_BYTES(APPLETBDRM_BITS_PER_PIXEL));
+}
+
+static int appletbdrm_connector_helper_get_modes(struct drm_connector *connector)
+{
+	struct appletbdrm_device *adev = drm_to_adev(connector->dev);
+
+	return drm_connector_helper_get_modes_fixed(connector, &adev->mode);
+}
+
+static const u32 appletbdrm_primary_plane_formats[] = {
+	DRM_FORMAT_BGR888,
+	DRM_FORMAT_XRGB8888, /* emulated */
+};
+
+static int appletbdrm_primary_plane_helper_atomic_check(struct drm_plane *plane,
+						   struct drm_atomic_state *state)
+{
+	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane);
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_crtc *new_crtc = new_plane_state->crtc;
+	struct drm_crtc_state *new_crtc_state = NULL;
+	struct appletbdrm_plane_state *appletbdrm_state = to_appletbdrm_plane_state(new_plane_state);
+	struct drm_atomic_helper_damage_iter iter;
+	struct drm_rect damage;
+	size_t frames_size = 0;
+	size_t request_size;
+	int ret;
+
+	if (new_crtc)
+		new_crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc);
+
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, new_crtc_state,
+						  DRM_PLANE_NO_SCALING,
+						  DRM_PLANE_NO_SCALING,
+						  false, false);
+	if (ret)
+		return ret;
+
+	if (!new_plane_state->visible)
+		return 0;
+
+	drm_atomic_helper_damage_iter_init(&iter, old_plane_state, new_plane_state);
+	drm_atomic_for_each_plane_damage(&iter, &damage) {
+		frames_size += struct_size((struct appletbdrm_frame *)0, buf, rect_size(&damage));
+	}
+
+	if (!frames_size)
+		return 0;
+
+	request_size = ALIGN(sizeof(struct appletbdrm_fb_request) +
+		       frames_size +
+		       sizeof(struct appletbdrm_fb_request_footer), 16);
+
+	appletbdrm_state->request = kzalloc(request_size, GFP_KERNEL);
+
+	if (!appletbdrm_state->request)
+		return -ENOMEM;
+
+	appletbdrm_state->response = kzalloc(sizeof(*appletbdrm_state->response), GFP_KERNEL);
+
+	if (!appletbdrm_state->response)
+		return -ENOMEM;
+
+	appletbdrm_state->request_size = request_size;
+	appletbdrm_state->frames_size = frames_size;
+
+	return 0;
+}
+
+static int appletbdrm_flush_damage(struct appletbdrm_device *adev,
+				   struct drm_plane_state *old_state,
+				   struct drm_plane_state *state)
+{
+	struct appletbdrm_plane_state *appletbdrm_state = to_appletbdrm_plane_state(state);
+	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state);
+	struct appletbdrm_fb_request_response *response = appletbdrm_state->response;
+	struct appletbdrm_fb_request_footer *footer;
+	struct drm_atomic_helper_damage_iter iter;
+	struct drm_framebuffer *fb = state->fb;
+	struct appletbdrm_fb_request *request = appletbdrm_state->request;
+	struct drm_device *drm = &adev->drm;
+	struct appletbdrm_frame *frame;
+	u64 timestamp = ktime_get_ns();
+	struct drm_rect damage;
+	size_t frames_size = appletbdrm_state->frames_size;
+	size_t request_size = appletbdrm_state->request_size;
+	int ret;
+
+	if (!frames_size)
+		return 0;
+
+	ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
+	if (ret) {
+		drm_err(drm, "Failed to start CPU framebuffer access (%d)\n", ret);
+		goto end_fb_cpu_access;
+	}
+
+	request->header.unk_00 = cpu_to_le16(2);
+	request->header.unk_02 = cpu_to_le16(0x12);
+	request->header.unk_04 = cpu_to_le32(9);
+	request->header.size = cpu_to_le32(request_size - sizeof(request->header));
+	request->unk_10 = cpu_to_le16(1);
+	request->msg_id = timestamp;
+
+	frame = (struct appletbdrm_frame *)request->data;
+
+	drm_atomic_helper_damage_iter_init(&iter, old_state, state);
+	drm_atomic_for_each_plane_damage(&iter, &damage) {
+		struct drm_rect dst_clip = state->dst;
+		struct iosys_map dst = IOSYS_MAP_INIT_VADDR(frame->buf);
+		u32 buf_size = rect_size(&damage);
+
+		if (!drm_rect_intersect(&dst_clip, &damage))
+			continue;
+
+		/*
+		 * The coordinates need to be translated to the coordinate
+		 * system the device expects, see the comment in
+		 * appletbdrm_setup_mode_config
+		 */
+		frame->begin_x = cpu_to_le16(damage.y1);
+		frame->begin_y = cpu_to_le16(adev->height - damage.x2);
+		frame->width = cpu_to_le16(drm_rect_height(&damage));
+		frame->height = cpu_to_le16(drm_rect_width(&damage));
+		frame->buf_size = cpu_to_le32(buf_size);
+
+		switch (fb->format->format) {
+		case DRM_FORMAT_XRGB8888:
+			drm_fb_xrgb8888_to_bgr888(&dst, NULL, &shadow_plane_state->data[0], fb, &damage, &shadow_plane_state->fmtcnv_state);
+			break;
+		default:
+			drm_fb_memcpy(&dst, NULL, &shadow_plane_state->data[0], fb, &damage);
+			break;
+		}
+
+		frame = (void *)frame + struct_size(frame, buf, buf_size);
+	}
+
+	footer = (struct appletbdrm_fb_request_footer *)&request->data[frames_size];
+
+	footer->unk_0c = cpu_to_le32(0xfffe);
+	footer->unk_1c = cpu_to_le32(0x80001);
+	footer->unk_34 = cpu_to_le32(0x80002);
+	footer->unk_4c = cpu_to_le32(0xffff);
+	footer->timestamp = cpu_to_le64(timestamp);
+
+	ret = appletbdrm_send_request(adev, &request->header, request_size);
+	if (ret)
+		goto end_fb_cpu_access;
+
+	ret = appletbdrm_read_response(adev, &response->header, sizeof(*response),
+				       APPLETBDRM_MSG_UPDATE_COMPLETE);
+	if (ret)
+		goto end_fb_cpu_access;
+
+	if (response->timestamp != footer->timestamp) {
+		drm_err(drm, "Response timestamp (%llu) doesn't match request timestamp (%llu)\n",
+			le64_to_cpu(response->timestamp), timestamp);
+		goto end_fb_cpu_access;
+	}
+
+end_fb_cpu_access:
+	drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
+
+	return ret;
+}
+
+static void appletbdrm_primary_plane_helper_atomic_update(struct drm_plane *plane,
+						     struct drm_atomic_state *old_state)
+{
+	struct appletbdrm_device *adev = drm_to_adev(plane->dev);
+	struct drm_device *drm = plane->dev;
+	struct drm_plane_state *plane_state = plane->state;
+	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(old_state, plane);
+	int idx;
+
+	if (!drm_dev_enter(drm, &idx))
+		return;
+
+	appletbdrm_flush_damage(adev, old_plane_state, plane_state);
+
+	drm_dev_exit(idx);
+}
+
+static void appletbdrm_primary_plane_helper_atomic_disable(struct drm_plane *plane,
+							   struct drm_atomic_state *state)
+{
+	struct drm_device *dev = plane->dev;
+	struct appletbdrm_device *adev = drm_to_adev(dev);
+	int idx;
+
+	if (!drm_dev_enter(dev, &idx))
+		return;
+
+	appletbdrm_clear_display(adev);
+
+	drm_dev_exit(idx);
+}
+
+static void appletbdrm_primary_plane_reset(struct drm_plane *plane)
+{
+	struct appletbdrm_plane_state *appletbdrm_state;
+
+	WARN_ON(plane->state);
+
+	appletbdrm_state = kzalloc(sizeof(*appletbdrm_state), GFP_KERNEL);
+	if (!appletbdrm_state)
+		return;
+
+	__drm_gem_reset_shadow_plane(plane, &appletbdrm_state->base);
+}
+
+static struct drm_plane_state *appletbdrm_primary_plane_duplicate_state(struct drm_plane *plane)
+{
+	struct drm_shadow_plane_state *new_shadow_plane_state;
+	struct appletbdrm_plane_state *old_appletbdrm_state;
+	struct appletbdrm_plane_state *appletbdrm_state;
+
+	if (WARN_ON(!plane->state))
+		return NULL;
+
+	old_appletbdrm_state = to_appletbdrm_plane_state(plane->state);
+	appletbdrm_state = kzalloc(sizeof(*appletbdrm_state), GFP_KERNEL);
+	if (!appletbdrm_state)
+		return NULL;
+
+	/* Request and response are not duplicated and are allocated in .atomic_check */
+	appletbdrm_state->request = NULL;
+	appletbdrm_state->response = NULL;
+
+	appletbdrm_state->request_size = 0;
+	appletbdrm_state->frames_size = 0;
+
+	new_shadow_plane_state = &appletbdrm_state->base;
+
+	__drm_gem_duplicate_shadow_plane_state(plane, new_shadow_plane_state);
+
+	return &new_shadow_plane_state->base;
+}
+
+static void appletbdrm_primary_plane_destroy_state(struct drm_plane *plane,
+						   struct drm_plane_state *state)
+{
+	struct appletbdrm_plane_state *appletbdrm_state = to_appletbdrm_plane_state(state);
+
+	kfree(appletbdrm_state->request);
+	kfree(appletbdrm_state->response);
+
+	__drm_gem_destroy_shadow_plane_state(&appletbdrm_state->base);
+
+	kfree(appletbdrm_state);
+}
+
+static const struct drm_plane_helper_funcs appletbdrm_primary_plane_helper_funcs = {
+	DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
+	.atomic_check = appletbdrm_primary_plane_helper_atomic_check,
+	.atomic_update = appletbdrm_primary_plane_helper_atomic_update,
+	.atomic_disable = appletbdrm_primary_plane_helper_atomic_disable,
+};
+
+static const struct drm_plane_funcs appletbdrm_primary_plane_funcs = {
+	.update_plane = drm_atomic_helper_update_plane,
+	.disable_plane = drm_atomic_helper_disable_plane,
+	.reset = appletbdrm_primary_plane_reset,
+	.atomic_duplicate_state = appletbdrm_primary_plane_duplicate_state,
+	.atomic_destroy_state = appletbdrm_primary_plane_destroy_state,
+	.destroy = drm_plane_cleanup,
+};
+
+static enum drm_mode_status appletbdrm_crtc_helper_mode_valid(struct drm_crtc *crtc,
+							  const struct drm_display_mode *mode)
+{
+	struct appletbdrm_device *adev = drm_to_adev(crtc->dev);
+
+	return drm_crtc_helper_mode_valid_fixed(crtc, mode, &adev->mode);
+}
+
+static const struct drm_mode_config_funcs appletbdrm_mode_config_funcs = {
+	.fb_create = drm_gem_fb_create_with_dirty,
+	.atomic_check = drm_atomic_helper_check,
+	.atomic_commit = drm_atomic_helper_commit,
+};
+
+static const struct drm_connector_funcs appletbdrm_connector_funcs = {
+	.reset = drm_atomic_helper_connector_reset,
+	.destroy = drm_connector_cleanup,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+};
+
+static const struct drm_connector_helper_funcs appletbdrm_connector_helper_funcs = {
+	.get_modes = appletbdrm_connector_helper_get_modes,
+};
+
+static const struct drm_crtc_helper_funcs appletbdrm_crtc_helper_funcs = {
+	.mode_valid = appletbdrm_crtc_helper_mode_valid,
+};
+
+static const struct drm_crtc_funcs appletbdrm_crtc_funcs = {
+	.reset = drm_atomic_helper_crtc_reset,
+	.destroy = drm_crtc_cleanup,
+	.set_config = drm_atomic_helper_set_config,
+	.page_flip = drm_atomic_helper_page_flip,
+	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+};
+
+static const struct drm_encoder_funcs appletbdrm_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
+static struct drm_gem_object *appletbdrm_driver_gem_prime_import(struct drm_device *dev,
+								 struct dma_buf *dma_buf)
+{
+	struct appletbdrm_device *adev = drm_to_adev(dev);
+
+	if (!adev->dev)
+		return ERR_PTR(-ENODEV);
+
+	return drm_gem_prime_import_dev(dev, dma_buf, adev->dev);
+}
+
+DEFINE_DRM_GEM_FOPS(appletbdrm_drm_fops);
+
+static const struct drm_driver appletbdrm_drm_driver = {
+	DRM_GEM_SHMEM_DRIVER_OPS,
+	.gem_prime_import	= appletbdrm_driver_gem_prime_import,
+	.name			= "appletbdrm",
+	.desc			= "Apple Touch Bar DRM Driver",
+	.major			= 1,
+	.minor			= 0,
+	.driver_features	= DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
+	.fops			= &appletbdrm_drm_fops,
+};
+
+static int appletbdrm_setup_mode_config(struct appletbdrm_device *adev)
+{
+	struct drm_connector *connector = &adev->connector;
+	struct drm_plane *primary_plane;
+	struct drm_crtc *crtc;
+	struct drm_encoder *encoder;
+	struct drm_device *drm = &adev->drm;
+	int ret;
+
+	ret = drmm_mode_config_init(drm);
+	if (ret) {
+		drm_err(drm, "Failed to initialize mode configuration\n");
+		return ret;
+	}
+
+	primary_plane = &adev->primary_plane;
+	ret = drm_universal_plane_init(drm, primary_plane, 0,
+				       &appletbdrm_primary_plane_funcs,
+				       appletbdrm_primary_plane_formats,
+				       ARRAY_SIZE(appletbdrm_primary_plane_formats),
+				       NULL,
+				       DRM_PLANE_TYPE_PRIMARY, NULL);
+	if (ret) {
+		drm_err(drm, "Failed to initialize universal plane object\n");
+		return ret;
+	}
+
+	drm_plane_helper_add(primary_plane, &appletbdrm_primary_plane_helper_funcs);
+	drm_plane_enable_fb_damage_clips(primary_plane);
+
+	crtc = &adev->crtc;
+	ret = drm_crtc_init_with_planes(drm, crtc, primary_plane, NULL,
+					&appletbdrm_crtc_funcs, NULL);
+	if (ret) {
+		drm_err(drm, "Failed to initialize CRTC object\n");
+		return ret;
+	}
+
+	drm_crtc_helper_add(crtc, &appletbdrm_crtc_helper_funcs);
+
+	encoder = &adev->encoder;
+	ret = drm_encoder_init(drm, encoder, &appletbdrm_encoder_funcs,
+			       DRM_MODE_ENCODER_DAC, NULL);
+	if (ret) {
+		drm_err(drm, "Failed to initialize encoder\n");
+		return ret;
+	}
+
+	encoder->possible_crtcs = drm_crtc_mask(crtc);
+
+	/*
+	 * The coordinate system used by the device is different from the
+	 * coordinate system of the framebuffer in that the x and y axes are
+	 * swapped, and that the y axis is inverted; so what the device reports
+	 * as the height is actually the width of the framebuffer and vice
+	 * versa
+	 */
+	drm->mode_config.max_width = max(adev->height, DRM_SHADOW_PLANE_MAX_WIDTH);
+	drm->mode_config.max_height = max(adev->width, DRM_SHADOW_PLANE_MAX_HEIGHT);
+	drm->mode_config.preferred_depth = APPLETBDRM_BITS_PER_PIXEL;
+	drm->mode_config.funcs = &appletbdrm_mode_config_funcs;
+
+	adev->mode = (struct drm_display_mode) {
+		DRM_MODE_INIT(60, adev->height, adev->width,
+			      DRM_MODE_RES_MM(adev->height, 218),
+			      DRM_MODE_RES_MM(adev->width, 218))
+	};
+
+	ret = drm_connector_init(drm, connector,
+				 &appletbdrm_connector_funcs, DRM_MODE_CONNECTOR_USB);
+	if (ret) {
+		drm_err(drm, "Failed to initialize connector\n");
+		return ret;
+	}
+
+	drm_connector_helper_add(connector, &appletbdrm_connector_helper_funcs);
+
+	ret = drm_connector_set_panel_orientation(connector,
+						  DRM_MODE_PANEL_ORIENTATION_RIGHT_UP);
+	if (ret) {
+		drm_err(drm, "Failed to set panel orientation\n");
+		return ret;
+	}
+
+	connector->display_info.non_desktop = true;
+	ret = drm_object_property_set_value(&connector->base,
+					    drm->mode_config.non_desktop_property, true);
+	if (ret) {
+		drm_err(drm, "Failed to set non-desktop property\n");
+		return ret;
+	}
+
+	ret = drm_connector_attach_encoder(connector, encoder);
+
+	if (ret) {
+		drm_err(drm, "Failed to initialize simple display pipe\n");
+		return ret;
+	}
+
+	drm_mode_config_reset(drm);
+
+	return 0;
+}
+
+static int appletbdrm_probe(struct usb_interface *intf,
+			    const struct usb_device_id *id)
+{
+	struct usb_endpoint_descriptor *bulk_in, *bulk_out;
+	struct device *dev = &intf->dev;
+	struct appletbdrm_device *adev;
+	struct drm_device *drm;
+	int ret;
+
+	ret = usb_find_common_endpoints(intf->cur_altsetting, &bulk_in, &bulk_out, NULL, NULL);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to find bulk endpoints\n");
+
+	adev = devm_drm_dev_alloc(dev, &appletbdrm_drm_driver, struct appletbdrm_device, drm);
+	if (IS_ERR(adev))
+		return PTR_ERR(adev);
+
+	adev->dev = dev;
+	adev->in_ep = bulk_in->bEndpointAddress;
+	adev->out_ep = bulk_out->bEndpointAddress;
+
+	drm = &adev->drm;
+
+	usb_set_intfdata(intf, adev);
+
+	ret = appletbdrm_get_information(adev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to get display information\n");
+
+	ret = appletbdrm_signal_readiness(adev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to signal readiness\n");
+
+	ret = appletbdrm_setup_mode_config(adev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to setup mode config\n");
+
+	ret = drm_dev_register(drm, 0);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to register DRM device\n");
+
+	ret = appletbdrm_clear_display(adev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to clear display\n");
+
+	return 0;
+}
+
+static void appletbdrm_disconnect(struct usb_interface *intf)
+{
+	struct appletbdrm_device *adev = usb_get_intfdata(intf);
+	struct drm_device *drm = &adev->drm;
+
+	put_device(adev->dev);
+	drm_dev_unplug(drm);
+	drm_atomic_helper_shutdown(drm);
+}
+
+static void appletbdrm_shutdown(struct usb_interface *intf)
+{
+	struct appletbdrm_device *adev = usb_get_intfdata(intf);
+
+	/*
+	 * The framebuffer needs to be cleared on shutdown since its content
+	 * persists across boots
+	 */
+	drm_atomic_helper_shutdown(&adev->drm);
+}
+
+static const struct usb_device_id appletbdrm_usb_id_table[] = {
+	{ USB_DEVICE_INTERFACE_CLASS(0x05ac, 0x8302, USB_CLASS_AUDIO_VIDEO) },
+	{}
+};
+MODULE_DEVICE_TABLE(usb, appletbdrm_usb_id_table);
+
+static struct usb_driver appletbdrm_usb_driver = {
+	.name		= "appletbdrm",
+	.probe		= appletbdrm_probe,
+	.disconnect	= appletbdrm_disconnect,
+	.shutdown	= appletbdrm_shutdown,
+	.id_table	= appletbdrm_usb_id_table,
+};
+module_usb_driver(appletbdrm_usb_driver);
+
+MODULE_AUTHOR("Kerem Karabay <kekrby@gmail.com>");
+MODULE_DESCRIPTION("Apple Touch Bar DRM Driver");
+MODULE_LICENSE("GPL");
