From 664db673d4d61abae83a04c040e9efdfeaabded3 Mon Sep 17 00:00:00 2001
From: Zachariah Anderson <xirxes@gmail.com>
Date: Tue, 24 Feb 2026 14:24:28 -0800
Subject: [PATCH 1/3] ARM: dts: qcom: Add GPU and Panel to HTC M8 DTB

Enable Panel and Adreno GPU on HTC One M8 device tree.
---
 .../boot/dts/qcom/qcom-msm8974pro-htc-m8.dts  | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts b/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
index 4ff61593c605..1d8344a3d73c 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
+++ b/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
@@ -4,6 +4,9 @@
 #include "pm8941.dtsi"
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/power/qcom-rpmpd.h>
 
 / {
 	model = "HTC One (M8)";
@@ -65,6 +68,50 @@
 	};
 };
 
+&gpu {
+	status = "okay";
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	status = "okay";
+
+	vdd-supply = <&pm8941_l22>;
+	vddio-supply = <&pm8941_l12>;
+	vdda-supply = <&pm8941_l2>;
+	panel@0 {
+		compatible = "mdss,m8-sharp-novatek-35595";
+		reg = <0>;
+		power-supply = <&pm8941_l12>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&panel_te_pin>, <&panel_rst_pin>;
+		backlight-gpios = <&pm8941_gpios 4 GPIO_ACTIVE_HIGH>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mdss_dsi0_out>;
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	data-lanes = <0 1 2 3>;
+	remote-endpoint = <&panel_in>;
+};
+
+&mdss_dsi0_phy {
+	status = "okay";
+
+	vdd-supply = <&pm8941_l22>;
+	vddio-supply = <&pm8941_l12>;
+	vdda-supply = <&pm8941_l2>;
+};
+
 &blsp1_i2c2 {
 	clock-frequency = <384000>;
 
@@ -353,6 +400,7 @@
 
 &smbb {
 	status = "okay";
+	monitored-battery = <&bat>;
 };
 
 &tlmm {
@@ -398,6 +446,21 @@
 			bias-pull-down;
 		};
 	};
+
+	panel_te_pin: panel-te-state {
+		pins = "gpio12";
+		function = "mdp_vsync";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	panel_rst_pin: panel-rst-state {
+		pins = "gpio13";
+		function = "gpio";
+		bias-disable;
+		power-source = <PM8941_GPIO_S3>;
+		qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+	};
 };
 
 &usb {

From 1a5ed700567e9ee8cfb23b4dc33c96ac8efb6805 Mon Sep 17 00:00:00 2001
From: Zachariah Anderson <xirxes@gmail.com>
Date: Tue, 24 Feb 2026 14:30:24 -0800
Subject: [PATCH 2/3] drm/panel: Add M8 Sharp Novatek 35595 DSI panel driver

Sharp 1080p command mode DSI panel with Novatek 35595 controller and DCS backlight. Found in the HTC One M8.
---
 drivers/gpu/drm/panel/Kconfig                 |  10 +
 drivers/gpu/drm/panel/Makefile                |   1 +
 .../drm/panel/panel-m8-sharp-novatek-35595.c  | 359 ++++++++++++++++++
 3 files changed, 370 insertions(+)
 create mode 100644 drivers/gpu/drm/panel/panel-m8-sharp-novatek-35595.c

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 4f280c890fe7..fcac3e04ddc7 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -395,6 +395,16 @@ config DRM_PANEL_LG_SW43408
 	  pixel. It provides a MIPI DSI interface to the host and has a
 	  built-in LED backlight.
 
+config DRM_PANEL_M8_SHARP_NOVATEK_35595
+	tristate "M8 HTC Sharp Novatek 35595 DSI panel"
+	depends on OF
+	depends on DRM_MIPI_DSI
+	depends on BACKLIGHT_CLASS_DEVICE
+	select VIDEOMODE_HELPERS
+	help
+	  DRM panel driver for the HTC M8 Sharp Novatek 35595 command mode panel. This panel receives
+	  video data via DSI.
+
 config DRM_PANEL_MAGNACHIP_D53E6EA8966
 	tristate "Magnachip D53E6EA8966 DSI panel"
 	depends on OF && SPI
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 9d0c9f111df1..fb5494308681 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_DRM_PANEL_LINCOLNTECH_LCD197) += panel-lincolntech-lcd197.o
 obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o
 obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
 obj-$(CONFIG_DRM_PANEL_LG_SW43408) += panel-lg-sw43408.o
+obj-$(CONFIG_DRM_PANEL_M8_SHARP_NOVATEK_35595) += panel-m8-sharp-novatek-35595.o
 obj-$(CONFIG_DRM_PANEL_MAGNACHIP_D53E6EA8966) += panel-magnachip-d53e6ea8966.o
 obj-$(CONFIG_DRM_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o
 obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3051D) += panel-newvision-nv3051d.o
diff --git a/drivers/gpu/drm/panel/panel-m8-sharp-novatek-35595.c b/drivers/gpu/drm/panel/panel-m8-sharp-novatek-35595.c
new file mode 100644
index 000000000000..40c256465eca
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-m8-sharp-novatek-35595.c
@@ -0,0 +1,359 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2026 FIXME
+// Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
+//   Copyright (c) 2013, The Linux Foundation. All rights reserved. (FIXME)
+
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_probe_helper.h>
+
+struct m8_sharp_novatek_35595 {
+	struct drm_panel panel;
+	struct mipi_dsi_device *dsi;
+	struct regulator *supply;
+	struct gpio_desc *backlight_gpio;
+};
+
+static inline
+struct m8_sharp_novatek_35595 *to_m8_sharp_novatek_35595(struct drm_panel *panel)
+{
+	return container_of(panel, struct m8_sharp_novatek_35595, panel);
+}
+
+static int m8_sharp_novatek_35595_on(struct m8_sharp_novatek_35595 *ctx)
+{
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
+
+	ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xbb, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0x23);
+	mipi_dsi_usleep_range(&dsi_ctx, 1000, 2000);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x00, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x01, 0x84);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x05, 0x24);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x08, 0x04);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x46, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x17, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x18, 0xfa);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x19, 0xf8);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1a, 0xf5);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1b, 0xee);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1c, 0xe1);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1d, 0xd5);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1e, 0xcd);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1f, 0xb9);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x20, 0xb4);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x21, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x22, 0xfa);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x23, 0xf5);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x24, 0xeb);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x25, 0xe1);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_GAMMA_CURVE, 0xc8);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x27, 0xaa);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x28, 0x96);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x29, 0x73);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x2a, 0x66);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x09, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0a, 0x06);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0b, 0x07);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0c, 0x08);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0d, 0x09);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0e, 0x0b);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0f, 0x0d);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x10, 0x0d);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x11, 0x12);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x12, 0x20);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x33, 0x0c);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfb, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0x22);
+	mipi_dsi_usleep_range(&dsi_ctx, 1000, 2000);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x00, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x01, 0x04);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x02, 0x08);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x03, 0x0c);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x04, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x05, 0x14);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x06, 0x18);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x07, 0x20);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x08, 0x24);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x09, 0x28);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0a, 0x30);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0b, 0x38);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0c, 0x38);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0d, 0x30);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0e, 0x28);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0f, 0x20);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x10, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x11, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x12, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x13, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x32, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x33, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x34, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x35, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x37, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x38, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x39, 0x10);
+	mipi_dsi_dcs_set_pixel_format_multi(&dsi_ctx, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3b, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3f, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_VSYNC_TIMING, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x41, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x42, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x43, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x44, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_GET_SCANLINE, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x46, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x47, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x48, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x49, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4a, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4b, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4c, 0x10);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1a, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY,
+				     0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x54, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x56, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x68, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4d, 0x0e);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x58, 0x0e);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x59, 0x14);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x64, 0x20);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x65, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x69, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfb, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0x10);
+	mipi_dsi_usleep_range(&dsi_ctx, 1000, 2000);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_POWER_SAVE, 0x82);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS,
+				     0x22);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x11, 0x00);
+	mipi_dsi_msleep(&dsi_ctx, 120);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0x24);
+	mipi_dsi_usleep_range(&dsi_ctx, 1000, 2000);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc6, 0x09);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xfb, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0xf0);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb3, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb4, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb5, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb6, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb7, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb8, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0x10);
+	mipi_dsi_usleep_range(&dsi_ctx, 1000, 2000);
+	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x29, 0x00);
+
+	return dsi_ctx.accum_err;
+}
+
+static int m8_sharp_novatek_35595_off(struct m8_sharp_novatek_35595 *ctx)
+{
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
+
+	ctx->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x28, 0x00);
+	mipi_dsi_msleep(&dsi_ctx, 22);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x10, 0x00);
+	mipi_dsi_msleep(&dsi_ctx, 74);
+
+	return dsi_ctx.accum_err;
+}
+
+static int m8_sharp_novatek_35595_prepare(struct drm_panel *panel)
+{
+	struct m8_sharp_novatek_35595 *ctx = to_m8_sharp_novatek_35595(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	ret = regulator_enable(ctx->supply);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enable regulator: %d\n", ret);
+		return ret;
+	}
+
+	ret = m8_sharp_novatek_35595_on(ctx);
+	if (ret < 0) {
+		dev_err(dev, "Failed to initialize panel: %d\n", ret);
+		regulator_disable(ctx->supply);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int m8_sharp_novatek_35595_unprepare(struct drm_panel *panel)
+{
+	struct m8_sharp_novatek_35595 *ctx = to_m8_sharp_novatek_35595(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	ret = m8_sharp_novatek_35595_off(ctx);
+	if (ret < 0)
+		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+
+	regulator_disable(ctx->supply);
+
+	return 0;
+}
+
+static const struct drm_display_mode m8_sharp_novatek_35595_mode = {
+	.clock = (1080 + 100 + 10 + 50) * (1920 + 4 + 2 + 4) * 60 / 1000,
+	.hdisplay = 1080,
+	.hsync_start = 1080 + 100,
+	.hsync_end = 1080 + 100 + 10,
+	.htotal = 1080 + 100 + 10 + 50,
+	.vdisplay = 1920,
+	.vsync_start = 1920 + 4,
+	.vsync_end = 1920 + 4 + 2,
+	.vtotal = 1920 + 4 + 2 + 4,
+	.width_mm = 61,
+	.height_mm = 109,
+	.type = DRM_MODE_TYPE_DRIVER,
+};
+
+static int m8_sharp_novatek_35595_get_modes(struct drm_panel *panel,
+					    struct drm_connector *connector)
+{
+	return drm_connector_helper_get_modes_fixed(connector, &m8_sharp_novatek_35595_mode);
+}
+
+static const struct drm_panel_funcs m8_sharp_novatek_35595_panel_funcs = {
+	.prepare = m8_sharp_novatek_35595_prepare,
+	.unprepare = m8_sharp_novatek_35595_unprepare,
+	.get_modes = m8_sharp_novatek_35595_get_modes,
+};
+
+static int m8_sharp_novatek_35595_bl_update_status(struct backlight_device *bl)
+{
+	struct mipi_dsi_device *dsi = bl_get_data(bl);
+	struct m8_sharp_novatek_35595 *ctx = mipi_dsi_get_drvdata(dsi);
+	u16 brightness = backlight_get_brightness(bl);
+	int ret;
+
+	gpiod_set_value_cansleep(ctx->backlight_gpio, !!brightness);
+
+	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+	ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
+	if (ret < 0)
+		return ret;
+
+	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+	return 0;
+}
+
+static const struct backlight_ops m8_sharp_novatek_35595_bl_ops = {
+	.update_status = m8_sharp_novatek_35595_bl_update_status,
+};
+
+static struct backlight_device *
+m8_sharp_novatek_35595_create_backlight(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	const struct backlight_properties props = {
+		.type = BACKLIGHT_RAW,
+		.brightness = 255,
+		.max_brightness = 255,
+	};
+
+	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
+					      &m8_sharp_novatek_35595_bl_ops, &props);
+}
+
+static int m8_sharp_novatek_35595_probe(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	struct m8_sharp_novatek_35595 *ctx;
+	int ret;
+
+	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	ctx->supply = devm_regulator_get(dev, "power");
+	if (IS_ERR(ctx->supply))
+		return dev_err_probe(dev, PTR_ERR(ctx->supply),
+				     "Failed to get power regulator\n");
+
+	ctx->backlight_gpio = devm_gpiod_get(dev, "backlight", GPIOD_OUT_LOW);
+	if (IS_ERR(ctx->backlight_gpio))
+		return dev_err_probe(dev, PTR_ERR(ctx->backlight_gpio),
+				     "Failed to get backlight-gpios\n");
+
+	ctx->dsi = dsi;
+	mipi_dsi_set_drvdata(dsi, ctx);
+
+	dsi->lanes = 4;
+	dsi->format = MIPI_DSI_FMT_RGB888;
+	dsi->mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_NO_EOT_PACKET |
+			  MIPI_DSI_CLOCK_NON_CONTINUOUS;
+
+	drm_panel_init(&ctx->panel, dev, &m8_sharp_novatek_35595_panel_funcs,
+		       DRM_MODE_CONNECTOR_DSI);
+	ctx->panel.prepare_prev_first = true;
+
+	ctx->panel.backlight = m8_sharp_novatek_35595_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) {
+		drm_panel_remove(&ctx->panel);
+		return dev_err_probe(dev, ret, "Failed to attach to DSI host\n");
+	}
+
+	return 0;
+}
+
+static void m8_sharp_novatek_35595_remove(struct mipi_dsi_device *dsi)
+{
+	struct m8_sharp_novatek_35595 *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);
+}
+
+static const struct of_device_id m8_sharp_novatek_35595_of_match[] = {
+	{ .compatible = "mdss,m8-sharp-novatek-35595" }, // FIXME
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, m8_sharp_novatek_35595_of_match);
+
+static struct mipi_dsi_driver m8_sharp_novatek_35595_driver = {
+	.probe = m8_sharp_novatek_35595_probe,
+	.remove = m8_sharp_novatek_35595_remove,
+	.driver = {
+		.name = "panel-m8-sharp-novatek-35595",
+		.of_match_table = m8_sharp_novatek_35595_of_match,
+	},
+};
+module_mipi_dsi_driver(m8_sharp_novatek_35595_driver);
+
+MODULE_AUTHOR("linux-mdss-dsi-panel-driver-generator <fix@me>"); // FIXME
+MODULE_DESCRIPTION("DRM driver for m8 1080p sharp/NT35595 cmd mode dsi panel");
+MODULE_LICENSE("GPL");

From 1e8208639b7e85b4c609bbae369eca3cea1ca480 Mon Sep 17 00:00:00 2001
From: Zachariah Anderson <xirxes@gmail.com>
Date: Tue, 24 Feb 2026 15:11:21 -0800
Subject: [PATCH 3/3] ARM: dts: qcom: htc-m8: Drop monitored battery from smbb

Accidentally included this monitored battery, the rest of the battery code wasn't included in the change due to lack of smbb-bms driver
---
 arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts b/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
index 1d8344a3d73c..8d1b6c48da82 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
+++ b/arch/arm/boot/dts/qcom/qcom-msm8974pro-htc-m8.dts
@@ -400,7 +400,6 @@
 
 &smbb {
 	status = "okay";
-	monitored-battery = <&bat>;
 };
 
 &tlmm {