Merge tag 'drm-misc-next-2020-11-18' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

 * media: Add MEDIA_BUS_FMT_RGB888_3X8_DELTA format

Cross-subsystem Changes:

 * console: Remove unused functions; Store characters-per-font in font-
   descriptor structure instead of hard-coding
 * DT: Add vendor prefix for ShenZhen Asia Better Technology Ltd. (ABT)

Core Changes:

 * Fix build warnings
 * Update debug logging to new interfaces, plus fixes
 * Add error messages for ioctls;
 * Fix kernel docs
 * doc: Fix kernel docs
 * fbcon: Remove accelerated scrolling
 * selftests: Fix build warnings
 * ttm: Fix missing NULL check in new page pool; Fix build warnings
 * video: Fix kernel docs

Driver Changes:

 * armada: Fix build warnings
 * atmel-hlcdc: Fix build warnings
 * exynos: Fix build warnings
 * gma500: Remove 2d framebuffer acceleration
 * lima: Fix build warnings; Cleanups
 * mediatek: Fix build warnings
 * meson: Module removal fixes; Fix build warnings
 * nouveau: Fix build warnings
 * omap: Fix return values
 * panel: Fix build warnings; Add support and DT bindings for OnePlus 6/T; Add
   support and DT bindings for ABT Y030XX067A
 * panel/s6e63m0: Add/improve SPi reading/writing; Support 3WIRE protocol; Set
   connector display info; Add more comments
 * panfrost: Move GPU reset into separate worker, avoid race conditions
 * pl111: Fix build warnings
 * qxl: Cleanup fbcon acceleration
 * rockchip: Fix build warnings
 * savage: Fix build warnings
 * sti: Fix build warnings
 * udl: Fix missing error code in udl_handle_damage()
 * v3d: Fix build warnings
 * vc4: Fix build warnings
 * via: Fix build warnings
 * virtio: Make dma-buf ops static

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201118123221.GA19755@linux-uq9g

7 files changed, 772 insertions, 17 deletions

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index e386524b2d77..b4e021ea30f9 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -8,6 +8,15 @@ config DRM_PANEL
 menu "Display Panels"
 	depends on DRM && DRM_PANEL
 
+config DRM_PANEL_ABT_Y030XX067A
+	tristate "ABT Y030XX067A 320x480 LCD panel"
+	depends on OF && SPI
+	select REGMAP_SPI
+	help
+	  Say Y here to enable support for the Asia Better Technology Ltd.
+	  Y030XX067A 320x480 3.0" panel as found in the YLM RG-280M, RG-300
+	  and RG-99 handheld gaming consoles.
+
 config DRM_PANEL_ARM_VERSATILE
 	tristate "ARM Versatile panel driver"
 	depends on OF
@@ -371,6 +380,18 @@ config DRM_PANEL_SAMSUNG_S6E8AA0
 	select DRM_MIPI_DSI
 	select VIDEOMODE_HELPERS
 
+config DRM_PANEL_SAMSUNG_SOFEF00
+	tristate "Samsung sofef00/s6e3fc2x01 OnePlus 6/6T DSI cmd mode panels"
+	depends on OF
+	depends on DRM_MIPI_DSI
+	depends on BACKLIGHT_CLASS_DEVICE
+	select VIDEOMODE_HELPERS
+	help
+	  Say Y or M here if you want to enable support for the Samsung AMOLED
+	  command mode panels found in the OnePlus 6/6T smartphones.
+
+	  The panels are 2280x1080@60Hz and 2340x1080@60Hz respectively
+
 config DRM_PANEL_SEIKO_43WVF1G
 	tristate "Seiko 43WVF1G panel"
 	depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index d1f8cc572f37..ebbf488c7eac 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_DRM_PANEL_ABT_Y030XX067A) += panel-abt-y030xx067a.o
 obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
 obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596.o
 obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o
@@ -39,6 +40,7 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63M0_SPI) += panel-samsung-s6e63m0-spi.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63M0_DSI) += panel-samsung-s6e63m0-dsi.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01) += panel-samsung-s6e88a0-ams452ef01.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o
+obj-$(CONFIG_DRM_PANEL_SAMSUNG_SOFEF00) += panel-samsung-sofef00.o
 obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) += panel-seiko-43wvf1g.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
diff --git a/drivers/gpu/drm/panel/panel-abt-y030xx067a.c b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
new file mode 100644
index 000000000000..2d8794d495d0
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
@@ -0,0 +1,363 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Asia Better Technology Ltd. Y030XX067A IPS LCD panel driver
+ *
+ * Copyright (C) 2020, Paul Cercueil <paul@crapouillou.net>
+ * Copyright (C) 2020, Christophe Branchereau <cbranchereau@gmail.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/media-bus-format.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
+
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+#define REG00_VBRT_CTRL(val)		(val)
+
+#define REG01_COM_DC(val)		(val)
+
+#define REG02_DA_CONTRAST(val)		(val)
+#define REG02_VESA_SEL(val)		((val) << 5)
+#define REG02_COMDC_SW			BIT(7)
+
+#define REG03_VPOSITION(val)		(val)
+#define REG03_BSMOUNT			BIT(5)
+#define REG03_COMTST			BIT(6)
+#define REG03_HPOSITION1		BIT(7)
+
+#define REG04_HPOSITION1(val)		(val)
+
+#define REG05_CLIP			BIT(0)
+#define REG05_NVM_VREFRESH		BIT(1)
+#define REG05_SLFR			BIT(2)
+#define REG05_SLBRCHARGE(val)		((val) << 3)
+#define REG05_PRECHARGE_LEVEL(val)	((val) << 6)
+
+#define REG06_TEST5			BIT(0)
+#define REG06_SLDWN			BIT(1)
+#define REG06_SLRGT			BIT(2)
+#define REG06_TEST2			BIT(3)
+#define REG06_XPSAVE			BIT(4)
+#define REG06_GAMMA_SEL(val)		((val) << 5)
+#define REG06_NT			BIT(7)
+
+#define REG07_TEST1			BIT(0)
+#define REG07_HDVD_POL			BIT(1)
+#define REG07_CK_POL			BIT(2)
+#define REG07_TEST3			BIT(3)
+#define REG07_TEST4			BIT(4)
+#define REG07_480_LINEMASK		BIT(5)
+#define REG07_AMPTST(val)		((val) << 6)
+
+#define REG08_SLHRC(val)		(val)
+#define REG08_CLOCK_DIV(val)		((val) << 2)
+#define REG08_PANEL(val)		((val) << 5)
+
+#define REG09_SUB_BRIGHT_R(val)		(val)
+#define REG09_NW_NB			BIT(6)
+#define REG09_IPCON			BIT(7)
+
+#define REG0A_SUB_BRIGHT_B(val)		(val)
+#define REG0A_PAIR			BIT(6)
+#define REG0A_DE_SEL			BIT(7)
+
+#define REG0B_MBK_POSITION(val)		(val)
+#define REG0B_HD_FREERUN		BIT(4)
+#define REG0B_VD_FREERUN		BIT(5)
+#define REG0B_YUV2BIN(val)		((val) << 6)
+
+#define REG0C_CONTRAST_R(val)		(val)
+#define REG0C_DOUBLEREAD		BIT(7)
+
+#define REG0D_CONTRAST_G(val)		(val)
+#define REG0D_RGB_YUV			BIT(7)
+
+#define REG0E_CONTRAST_B(val)		(val)
+#define REG0E_PIXELCOLORDRIVE		BIT(7)
+
+#define REG0F_ASPECT			BIT(0)
+#define REG0F_OVERSCAN(val)		((val) << 1)
+#define REG0F_FRAMEWIDTH(val)		((val) << 3)
+
+#define REG10_BRIGHT(val)		(val)
+
+#define REG11_SIG_GAIN(val)		(val)
+#define REG11_SIGC_CNTL			BIT(6)
+#define REG11_SIGC_POL			BIT(7)
+
+#define REG12_COLOR(val)		(val)
+#define REG12_PWCKSEL(val)		((val) << 6)
+
+#define REG13_4096LEVEL_CNTL(val)	(val)
+#define REG13_SL4096(val)		((val) << 4)
+#define REG13_LIMITER_CONTROL		BIT(7)
+
+#define REG14_PANEL_TEST(val)		(val)
+
+#define REG15_NVM_LINK0			BIT(0)
+#define REG15_NVM_LINK1			BIT(1)
+#define REG15_NVM_LINK2			BIT(2)
+#define REG15_NVM_LINK3			BIT(3)
+#define REG15_NVM_LINK4			BIT(4)
+#define REG15_NVM_LINK5			BIT(5)
+#define REG15_NVM_LINK6			BIT(6)
+#define REG15_NVM_LINK7			BIT(7)
+
+struct y030xx067a_info {
+	const struct drm_display_mode *display_modes;
+	unsigned int num_modes;
+	u16 width_mm, height_mm;
+	u32 bus_format, bus_flags;
+};
+
+struct y030xx067a {
+	struct drm_panel panel;
+	struct spi_device *spi;
+	struct regmap *map;
+
+	const struct y030xx067a_info *panel_info;
+
+	struct regulator *supply;
+	struct gpio_desc *reset_gpio;
+};
+
+static inline struct y030xx067a *to_y030xx067a(struct drm_panel *panel)
+{
+	return container_of(panel, struct y030xx067a, panel);
+}
+
+static const struct reg_sequence y030xx067a_init_sequence[] = {
+	{ 0x00, REG00_VBRT_CTRL(0x7f) },
+	{ 0x01, REG01_COM_DC(0x3c) },
+	{ 0x02, REG02_VESA_SEL(0x3) | REG02_DA_CONTRAST(0x1f) },
+	{ 0x03, REG03_VPOSITION(0x0a) },
+	{ 0x04, REG04_HPOSITION1(0xd2) },
+	{ 0x05, REG05_CLIP | REG05_NVM_VREFRESH | REG05_SLBRCHARGE(0x2) },
+	{ 0x06, REG06_XPSAVE | REG06_NT },
+	{ 0x07, 0 },
+	{ 0x08, REG08_PANEL(0x1) | REG08_CLOCK_DIV(0x2) },
+	{ 0x09, REG09_SUB_BRIGHT_R(0x20) },
+	{ 0x0a, REG0A_SUB_BRIGHT_B(0x20) },
+	{ 0x0b, REG0B_HD_FREERUN | REG0B_VD_FREERUN },
+	{ 0x0c, REG0C_CONTRAST_R(0x10) },
+	{ 0x0d, REG0D_CONTRAST_G(0x10) },
+	{ 0x0e, REG0E_CONTRAST_B(0x10) },
+	{ 0x0f, 0 },
+	{ 0x10, REG10_BRIGHT(0x7f) },
+	{ 0x11, REG11_SIGC_CNTL | REG11_SIG_GAIN(0x3f) },
+	{ 0x12, REG12_COLOR(0x20) | REG12_PWCKSEL(0x1) },
+	{ 0x13, REG13_4096LEVEL_CNTL(0x8) },
+	{ 0x14, 0 },
+	{ 0x15, 0 },
+};
+
+static int y030xx067a_prepare(struct drm_panel *panel)
+{
+	struct y030xx067a *priv = to_y030xx067a(panel);
+	struct device *dev = &priv->spi->dev;
+	int err;
+
+	err = regulator_enable(priv->supply);
+	if (err) {
+		dev_err(dev, "Failed to enable power supply: %d\n", err);
+		return err;
+	}
+
+	/* Reset the chip */
+	gpiod_set_value_cansleep(priv->reset_gpio, 1);
+	usleep_range(1000, 20000);
+	gpiod_set_value_cansleep(priv->reset_gpio, 0);
+	usleep_range(1000, 20000);
+
+	err = regmap_multi_reg_write(priv->map, y030xx067a_init_sequence,
+				     ARRAY_SIZE(y030xx067a_init_sequence));
+	if (err) {
+		dev_err(dev, "Failed to init registers: %d\n", err);
+		goto err_disable_regulator;
+	}
+
+	msleep(120);
+
+	return 0;
+
+err_disable_regulator:
+	regulator_disable(priv->supply);
+	return err;
+}
+
+static int y030xx067a_unprepare(struct drm_panel *panel)
+{
+	struct y030xx067a *priv = to_y030xx067a(panel);
+
+	gpiod_set_value_cansleep(priv->reset_gpio, 1);
+	regulator_disable(priv->supply);
+
+	return 0;
+}
+
+static int y030xx067a_get_modes(struct drm_panel *panel,
+				struct drm_connector *connector)
+{
+	struct y030xx067a *priv = to_y030xx067a(panel);
+	const struct y030xx067a_info *panel_info = priv->panel_info;
+	struct drm_display_mode *mode;
+	unsigned int i;
+
+	for (i = 0; i < panel_info->num_modes; i++) {
+		mode = drm_mode_duplicate(connector->dev,
+					  &panel_info->display_modes[i]);
+		if (!mode)
+			return -ENOMEM;
+
+		drm_mode_set_name(mode);
+
+		mode->type = DRM_MODE_TYPE_DRIVER;
+		if (panel_info->num_modes == 1)
+			mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+		drm_mode_probed_add(connector, mode);
+	}
+
+	connector->display_info.bpc = 8;
+	connector->display_info.width_mm = panel_info->width_mm;
+	connector->display_info.height_mm = panel_info->height_mm;
+
+	drm_display_info_set_bus_formats(&connector->display_info,
+					 &panel_info->bus_format, 1);
+	connector->display_info.bus_flags = panel_info->bus_flags;
+
+	return panel_info->num_modes;
+}
+
+static const struct drm_panel_funcs y030xx067a_funcs = {
+	.prepare	= y030xx067a_prepare,
+	.unprepare	= y030xx067a_unprepare,
+	.get_modes	= y030xx067a_get_modes,
+};
+
+static const struct regmap_config y030xx067a_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = 0x15,
+};
+
+static int y030xx067a_probe(struct spi_device *spi)
+{
+	struct device *dev = &spi->dev;
+	struct y030xx067a *priv;
+	int err;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->spi = spi;
+	spi_set_drvdata(spi, priv);
+
+	priv->map = devm_regmap_init_spi(spi, &y030xx067a_regmap_config);
+	if (IS_ERR(priv->map)) {
+		dev_err(dev, "Unable to init regmap\n");
+		return PTR_ERR(priv->map);
+	}
+
+	priv->panel_info = of_device_get_match_data(dev);
+	if (!priv->panel_info)
+		return -EINVAL;
+
+	priv->supply = devm_regulator_get(dev, "power");
+	if (IS_ERR(priv->supply)) {
+		dev_err(dev, "Failed to get power supply\n");
+		return PTR_ERR(priv->supply);
+	}
+
+	priv->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(priv->reset_gpio)) {
+		dev_err(dev, "Failed to get reset GPIO\n");
+		return PTR_ERR(priv->reset_gpio);
+	}
+
+	drm_panel_init(&priv->panel, dev, &y030xx067a_funcs,
+		       DRM_MODE_CONNECTOR_DPI);
+
+	err = drm_panel_of_backlight(&priv->panel);
+	if (err)
+		return err;
+
+	drm_panel_add(&priv->panel);
+
+	return 0;
+}
+
+static int y030xx067a_remove(struct spi_device *spi)
+{
+	struct y030xx067a *priv = spi_get_drvdata(spi);
+
+	drm_panel_remove(&priv->panel);
+	drm_panel_disable(&priv->panel);
+	drm_panel_unprepare(&priv->panel);
+
+	return 0;
+}
+
+static const struct drm_display_mode y030xx067a_modes[] = {
+	{ /* 60 Hz */
+		.clock = 14400,
+		.hdisplay = 320,
+		.hsync_start = 320 + 10,
+		.hsync_end = 320 + 10 + 37,
+		.htotal = 320 + 10 + 37 + 33,
+		.vdisplay = 480,
+		.vsync_start = 480 + 84,
+		.vsync_end = 480 + 84 + 20,
+		.vtotal = 480 + 84 + 20 + 16,
+		.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+	},
+	{ /* 50 Hz */
+		.clock = 12000,
+		.hdisplay = 320,
+		.hsync_start = 320 + 10,
+		.hsync_end = 320 + 10 + 37,
+		.htotal = 320 + 10 + 37 + 33,
+		.vdisplay = 480,
+		.vsync_start = 480 + 84,
+		.vsync_end = 480 + 84 + 20,
+		.vtotal = 480 + 84 + 20 + 16,
+		.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+	},
+};
+
+static const struct y030xx067a_info y030xx067a_info = {
+	.display_modes = y030xx067a_modes,
+	.num_modes = ARRAY_SIZE(y030xx067a_modes),
+	.width_mm = 69,
+	.height_mm = 51,
+	.bus_format = MEDIA_BUS_FMT_RGB888_3X8_DELTA,
+	.bus_flags = DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE | DRM_BUS_FLAG_DE_LOW,
+};
+
+static const struct of_device_id y030xx067a_of_match[] = {
+	{ .compatible = "abt,y030xx067a", .data = &y030xx067a_info },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, y030xx067a_of_match);
+
+static struct spi_driver y030xx067a_driver = {
+	.driver = {
+		.name = "abt-y030xx067a",
+		.of_match_table = y030xx067a_of_match,
+	},
+	.probe = y030xx067a_probe,
+	.remove = y030xx067a_remove,
+};
+module_spi_driver(y030xx067a_driver);
+
+MODULE_AUTHOR("Paul Cercueil <paul@crapouillou.net>");
+MODULE_AUTHOR("Christophe Branchereau <cbranchereau@gmail.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c b/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c
index d298d780220d..326deb3177b6 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c
@@ -13,28 +13,28 @@
 
 static int s6e63m0_spi_dcs_read(struct device *dev, const u8 cmd, u8 *data)
 {
-	/*
-	 * FIXME: implement reading DCS commands over SPI so we can
-	 * properly identify which physical panel is connected.
-	 */
-	*data = 0;
+	struct spi_device *spi = to_spi_device(dev);
+	u16 buf[1];
+	u16 rbuf[1];
+	int ret;
+
+	/* SPI buffers are always in CPU order */
+	buf[0] = (u16)cmd;
+	ret = spi_write_then_read(spi, buf, 2, rbuf, 2);
+	dev_dbg(dev, "READ CMD: %04x RET: %04x\n", buf[0], rbuf[0]);
+	if (!ret)
+		/* These high 8 bits of the 9 contains the readout */
+		*data = (rbuf[0] & 0x1ff) >> 1;
 
-	return 0;
+	return ret;
 }
 
 static int s6e63m0_spi_write_word(struct device *dev, u16 data)
 {
 	struct spi_device *spi = to_spi_device(dev);
-	struct spi_transfer xfer = {
-		.len	= 2,
-		.tx_buf = &data,
-	};
-	struct spi_message msg;
-
-	spi_message_init(&msg);
-	spi_message_add_tail(&xfer, &msg);
 
-	return spi_sync(spi, &msg);
+	/* SPI buffers are always in CPU order */
+	return spi_write(spi, &data, 2);
 }
 
 static int s6e63m0_spi_dcs_write(struct device *dev, const u8 *data, size_t len)
@@ -42,10 +42,17 @@ static int s6e63m0_spi_dcs_write(struct device *dev, const u8 *data, size_t len)
 	int ret = 0;
 
 	dev_dbg(dev, "SPI writing dcs seq: %*ph\n", (int)len, data);
+
+	/*
+	 * This sends 9 bits with the first bit (bit 8) set to 0
+	 * This indicates that this is a command. Anything after the
+	 * command is data.
+	 */
 	ret = s6e63m0_spi_write_word(dev, *data);
 
 	while (!ret && --len) {
 		++data;
+		/* This sends 9 bits with the first bit (bit 8) set to 1 */
 		ret = s6e63m0_spi_write_word(dev, *data | DATA_MASK);
 	}
 
@@ -65,7 +72,8 @@ static int s6e63m0_spi_probe(struct spi_device *spi)
 	int ret;
 
 	spi->bits_per_word = 9;
-	spi->mode = SPI_MODE_3;
+	/* Preserve e.g. SPI_3WIRE setting */
+	spi->mode |= SPI_MODE_3;
 	ret = spi_setup(spi);
 	if (ret < 0) {
 		dev_err(dev, "spi setup failed.\n");
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c
index 3eee67e2d86a..210e70da3a15 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0.c
@@ -16,6 +16,7 @@
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/regulator/consumer.h>
+#include <linux/media-bus-format.h>
 
 #include <video/mipi_display.h>
 
@@ -410,6 +411,7 @@ static int s6e63m0_get_modes(struct drm_panel *panel,
 			     struct drm_connector *connector)
 {
 	struct drm_display_mode *mode;
+	static const u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
 
 	mode = drm_mode_duplicate(connector->dev, &default_mode);
 	if (!mode) {
@@ -419,6 +421,13 @@ static int s6e63m0_get_modes(struct drm_panel *panel,
 		return -ENOMEM;
 	}
 
+	connector->display_info.width_mm = mode->width_mm;
+	connector->display_info.height_mm = mode->height_mm;
+	drm_display_info_set_bus_formats(&connector->display_info,
+					 &bus_format, 1);
+	connector->display_info.bus_flags = DRM_BUS_FLAG_DE_LOW |
+		DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE;
+
 	drm_mode_set_name(mode);
 
 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
diff --git a/drivers/gpu/drm/panel/panel-samsung-sofef00.c b/drivers/gpu/drm/panel/panel-samsung-sofef00.c
new file mode 100644
index 000000000000..8cb1853574bb
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-samsung-sofef00.c
@@ -0,0 +1,351 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Caleb Connolly <caleb@connolly.tech>
+ * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/swab.h>
+#include <linux/backlight.h>
+
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+struct sofef00_panel {
+	struct drm_panel panel;
+	struct mipi_dsi_device *dsi;
+	struct regulator *supply;
+	struct gpio_desc *reset_gpio;
+	const struct drm_display_mode *mode;
+	bool prepared;
+};
+
+static inline
+struct sofef00_panel *to_sofef00_panel(struct drm_panel *panel)
+{
+	return container_of(panel, struct sofef00_panel, panel);
+}
+
+#define dsi_dcs_write_seq(dsi, seq...) do {				\
+		static const u8 d[] = { seq };				\
+		int ret;						\
+		ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d));	\
+		if (ret < 0)						\
+			return ret;					\
+	} while (0)
+
+static void sofef00_panel_reset(struct sofef00_panel *ctx)
+{
+	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+	usleep_range(5000, 6000);
+	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+	usleep_range(2000, 3000);
+	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+	usleep_range(12000, 13000);
+}
+
+static int sofef00_panel_on(struct sofef00_panel *ctx)
+{
+	struct mipi_dsi_device *dsi = ctx->dsi;
+	struct device *dev = &dsi->dev;
+	int ret;
+
+	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
+		return ret;
+	}
+	usleep_range(10000, 11000);
+
+	dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
+
+	ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set tear on: %d\n", ret);
+		return ret;
+	}
+
+	dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
+	dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
+	dsi_dcs_write_seq(dsi, 0xb0, 0x07);
+	dsi_dcs_write_seq(dsi, 0xb6, 0x12);
+	dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
+	dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
+	dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
+
+	ret = mipi_dsi_dcs_set_display_on(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set display on: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int sofef00_panel_off(struct sofef00_panel *ctx)
+{
+	struct mipi_dsi_device *dsi = ctx->dsi;
+	struct device *dev = &dsi->dev;
+	int ret;
+
+	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+	ret = mipi_dsi_dcs_set_display_off(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set display off: %d\n", ret);
+		return ret;
+	}
+	msleep(40);
+
+	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
+		return ret;
+	}
+	msleep(160);
+
+	return 0;
+}
+
+static int sofef00_panel_prepare(struct drm_panel *panel)
+{
+	struct sofef00_panel *ctx = to_sofef00_panel(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	if (ctx->prepared)
+		return 0;
+
+	ret = regulator_enable(ctx->supply);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enable regulator: %d\n", ret);
+		return ret;
+	}
+
+	sofef00_panel_reset(ctx);
+
+	ret = sofef00_panel_on(ctx);
+	if (ret < 0) {
+		dev_err(dev, "Failed to initialize panel: %d\n", ret);
+		gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+		return ret;
+	}
+
+	ctx->prepared = true;
+	return 0;
+}
+
+static int sofef00_panel_unprepare(struct drm_panel *panel)
+{
+	struct sofef00_panel *ctx = to_sofef00_panel(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	if (!ctx->prepared)
+		return 0;
+
+	ret = sofef00_panel_off(ctx);
+	if (ret < 0)
+		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+
+	regulator_disable(ctx->supply);
+
+	ctx->prepared = false;
+	return 0;
+}
+
+static const struct drm_display_mode enchilada_panel_mode = {
+	.clock = (1080 + 112 + 16 + 36) * (2280 + 36 + 8 + 12) * 60 / 1000,
+	.hdisplay = 1080,
+	.hsync_start = 1080 + 112,
+	.hsync_end = 1080 + 112 + 16,
+	.htotal = 1080 + 112 + 16 + 36,
+	.vdisplay = 2280,
+	.vsync_start = 2280 + 36,
+	.vsync_end = 2280 + 36 + 8,
+	.vtotal = 2280 + 36 + 8 + 12,
+	.width_mm = 68,
+	.height_mm = 145,
+};
+
+static const struct drm_display_mode fajita_panel_mode = {
+	.clock = (1080 + 72 + 16 + 36) * (2340 + 32 + 4 + 18) * 60 / 1000,
+	.hdisplay = 1080,
+	.hsync_start = 1080 + 72,
+	.hsync_end = 1080 + 72 + 16,
+	.htotal = 1080 + 72 + 16 + 36,
+	.vdisplay = 2340,
+	.vsync_start = 2340 + 32,
+	.vsync_end = 2340 + 32 + 4,
+	.vtotal = 2340 + 32 + 4 + 18,
+	.width_mm = 68,
+	.height_mm = 145,
+};
+
+static int sofef00_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector)
+{
+	struct drm_display_mode *mode;
+	struct sofef00_panel *ctx = to_sofef00_panel(panel);
+
+	mode = drm_mode_duplicate(connector->dev, ctx->mode);
+	if (!mode)
+		return -ENOMEM;
+
+	drm_mode_set_name(mode);
+
+	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+	connector->display_info.width_mm = mode->width_mm;
+	connector->display_info.height_mm = mode->height_mm;
+	drm_mode_probed_add(connector, mode);
+
+	return 1;
+}
+
+static const struct drm_panel_funcs sofef00_panel_panel_funcs = {
+	.prepare = sofef00_panel_prepare,
+	.unprepare = sofef00_panel_unprepare,
+	.get_modes = sofef00_panel_get_modes,
+};
+
+static int sofef00_panel_bl_update_status(struct backlight_device *bl)
+{
+	struct mipi_dsi_device *dsi = bl_get_data(bl);
+	int err;
+	u16 brightness;
+
+	brightness = (u16)backlight_get_brightness(bl);
+	// This panel needs the high and low bytes swapped for the brightness value
+	brightness = __swab16(brightness);
+
+	err = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static const struct backlight_ops sofef00_panel_bl_ops = {
+	.update_status = sofef00_panel_bl_update_status,
+};
+
+static struct backlight_device *
+sofef00_create_backlight(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	const struct backlight_properties props = {
+		.type = BACKLIGHT_PLATFORM,
+		.brightness = 1023,
+		.max_brightness = 1023,
+	};
+
+	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
+					      &sofef00_panel_bl_ops, &props);
+}
+
+static int sofef00_panel_probe(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	struct sofef00_panel *ctx;
+	int ret;
+
+	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	ctx->mode = of_device_get_match_data(dev);
+
+	if (!ctx->mode) {
+		dev_err(dev, "Missing device mode\n");
+		return -ENODEV;
+	}
+
+	ctx->supply = devm_regulator_get(dev, "vddio");
+	if (IS_ERR(ctx->supply)) {
+		ret = PTR_ERR(ctx->supply);
+		dev_err(dev, "Failed to get vddio regulator: %d\n", ret);
+		return ret;
+	}
+
+	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(ctx->reset_gpio)) {
+		ret = PTR_ERR(ctx->reset_gpio);
+		dev_warn(dev, "Failed to get reset-gpios: %d\n", ret);
+		return ret;
+	}
+
+	ctx->dsi = dsi;
+	mipi_dsi_set_drvdata(dsi, ctx);
+
+	dsi->lanes = 4;
+	dsi->format = MIPI_DSI_FMT_RGB888;
+
+	drm_panel_init(&ctx->panel, dev, &sofef00_panel_panel_funcs,
+		       DRM_MODE_CONNECTOR_DSI);
+
+	ctx->panel.backlight = sofef00_create_backlight(dsi);
+	if (IS_ERR(ctx->panel.backlight))
+		return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
+				     "Failed to create backlight\n");
+
+	drm_panel_add(&ctx->panel);
+
+	ret = mipi_dsi_attach(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int sofef00_panel_remove(struct mipi_dsi_device *dsi)
+{
+	struct sofef00_panel *ctx = mipi_dsi_get_drvdata(dsi);
+	int ret;
+
+	ret = mipi_dsi_detach(dsi);
+	if (ret < 0)
+		dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
+
+	drm_panel_remove(&ctx->panel);
+
+	return 0;
+}
+
+static const struct of_device_id sofef00_panel_of_match[] = {
+	{ // OnePlus 6 / enchilada
+		.compatible = "samsung,sofef00",
+		.data = &enchilada_panel_mode,
+	},
+	{ // OnePlus 6T / fajita
+		.compatible = "samsung,s6e3fc2x01",
+		.data = &fajita_panel_mode,
+	},
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sofef00_panel_of_match);
+
+static struct mipi_dsi_driver sofef00_panel_driver = {
+	.probe = sofef00_panel_probe,
+	.remove = sofef00_panel_remove,
+	.driver = {
+		.name = "panel-oneplus6",
+		.of_match_table = sofef00_panel_of_match,
+	},
+};
+
+module_mipi_dsi_driver(sofef00_panel_driver);
+
+MODULE_AUTHOR("Caleb Connolly <caleb@connolly.tech>");
+MODULE_DESCRIPTION("DRM driver for Samsung AMOLED DSI panels found in OnePlus 6/6T phones");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/panel/panel-tpo-tpg110.c b/drivers/gpu/drm/panel/panel-tpo-tpg110.c
index d57ed75a977c..e3791dad6830 100644
--- a/drivers/gpu/drm/panel/panel-tpo-tpg110.c
+++ b/drivers/gpu/drm/panel/panel-tpo-tpg110.c
@@ -76,7 +76,7 @@ struct tpg110 {
 	 */
 	struct drm_panel panel;
 	/**
-	 * @panel_type: the panel mode as detected
+	 * @panel_mode: the panel mode as detected
 	 */
 	const struct tpg110_panel_mode *panel_mode;
 	/**
@@ -362,6 +362,7 @@ static int tpg110_enable(struct drm_panel *panel)
 /**
  * tpg110_get_modes() - return the appropriate mode
  * @panel: the panel to get the mode for
+ * @connector: reference to the central DRM connector control structure
  *
  * This currently does not present a forest of modes, instead it
  * presents the mode that is configured for the system under use,