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linux-postmarketos-exynos4: add s6evr02 panel (MR 2751)

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[ci:skip-build] Already built on CI in MR
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Jack Knightly 2021-12-15 20:29:50 +00:00 committed by Newbyte
parent 29611eef9e
commit 1d374d5735
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GPG key ID: 5873C171C9429CFA
3 changed files with 890 additions and 4 deletions
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879
main/linux-postmarketos-exynos4/0013-ARM-dts-driver-exynos-n710x-add-panel.patch Normal file
View file

@ -0,0 +1,879 @@
diff --git a/arch/arm/boot/dts/exynos4412-n710x.dts b/arch/arm/boot/dts/exynos4412-n710x.dts
index 9ae05b0d684c..f5b6ffc92fdd 100644
--- a/arch/arm/boot/dts/exynos4412-n710x.dts
+++ b/arch/arm/boot/dts/exynos4412-n710x.dts
@@ -38,6 +38,75 @@ &cam_io_reg {
status = "okay";
};
+
+&dsi_0 {
+ vddcore-supply = <&ldo8_reg>;
+ vddio-supply = <&ldo10_reg>;
+ samsung,burst-clock-frequency = <500000000>;
+ samsung,esc-clock-frequency = <20000000>;
+ samsung,pll-clock-frequency = <24000000>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ dsi_out: endpoint@0 {
+ samsung,burst-clock-frequency = <500000000>;
+ samsung,esc-clock-frequency = <20000000>;
+ //status = "disabled";
+ remote-endpoint = <&dsi_in_s6evr02>;
+ status = "okay";
+ };
+
+ };
+
+ };
+
+ s6evr02: panel-s6evr02@0 {
+ compatible = "samsung,s6evr02";
+ reg = <0>;
+ vdd3-supply = <&ldo13_reg>;
+ vci-supply = <&ldo25_reg>;
+ reset-gpios = <&gpf2 1 GPIO_ACTIVE_HIGH>;
+ power-on-delay = <50>;
+ reset-delay = <100>;
+ init-delay = <100>;
+ panel-width-mm = <69>;
+ panel-height-mm = <123>;
+ // HIGH means s6evr02
+ present-gpios = <&gpf1 0 GPIO_ACTIVE_HIGH>;
+ //status = "disabled";
+ status = "okay";
+
+ display-timings {
+ timing0_s6evr02: timing-0 {
+ clock-frequency = <62614944>;
+ hactive = <720>;
+ vactive = <1280>;
+ hfront-porch = <70>;
+ hback-porch = <40>;
+ hsync-len = <3>;
+ vfront-porch = <13>;
+ vback-porch = <1>;
+ vsync-len = <2>;
+ };
+ };
+
+ port {
+ dsi_in_s6evr02: endpoint {
+ //status = "disabled";
+ remote-endpoint = <&dsi_out>;
+ status = "okay";
+ };
+ };
+ };
+
+};
+
&i2c_3 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-slave-addr = <0x10>;
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index cfc8d644cedf..bcbb17224e6e 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -468,6 +468,12 @@ config DRM_PANEL_SAMSUNG_S6E8AA0
depends on OF
select DRM_MIPI_DSI
select VIDEOMODE_HELPERS
+
+config DRM_PANEL_SAMSUNG_S6EVR02
+ tristate "Samsung S6EVR02 DSI video mode panel"
+ depends on OF
+ select DRM_MIPI_DSI
+ select VIDEOMODE_HELPERS
config DRM_PANEL_SAMSUNG_SOFEF00
tristate "Samsung sofef00/s6e3fc2x01 OnePlus 6/6T DSI cmd mode panels"
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index bca4cc1f2715..9674876ddcff 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -48,6 +48,7 @@ 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-$(CONFIG_DRM_PANEL_SAMSUNG_S6EVR02) += panel-samsung-s6evr02.o
obj-$(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
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6evr02.c b/drivers/gpu/drm/panel/panel-samsung-s6evr02.c
new file mode 100644
index 000000000000..f1612a6c262c
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-samsung-s6evr02.c
@@ -0,0 +1,764 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * MIPI-DSI based S6EVR02 AMOLED LCD 5.5 inch panel driver.
+ *
+ * Copyright (c) 2017 Simon Shields, <simon@lineageos.org>
+ *
+ * Based on the s6e8aa0 panel driver,
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd
+ *
+ * Inki Dae, <inki.dae@samsung.com>
+ * Donghwa Lee, <dh09.lee@samsung.com>
+ * Joongmock Shin <jmock.shin@samsung.com>
+ * Eunchul Kim <chulspro.kim@samsung.com>
+ * Tomasz Figa <t.figa@samsung.com>
+ * Andrzej Hajda <a.hajda@samsung.com>
+*/
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+
+#include <linux/backlight.h>
+#include <video/mipi_display.h>
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+#define UB_VERSION 0x10
+
+#define LDI_MTP_LENGTH 24
+#define GAMMA_LEVEL_NUM 33
+#define GAMMA_TABLE_LEN 34
+
+typedef u8 s6evr02_gamma_table[GAMMA_TABLE_LEN];
+
+#define S6EVR02_STATE_BIT_ENABLED 0
+
+struct s6evr02 {
+ struct device *dev;
+ struct drm_panel panel;
+
+ struct regulator_bulk_data supplies[2];
+ struct gpio_desc *reset_gpio;
+ u32 power_on_delay;
+ u32 reset_delay;
+ u32 init_delay;
+ struct videomode vm;
+ u32 width_mm;
+ u32 height_mm;
+
+ unsigned long state;
+ u8 version;
+ u8 id;
+ int brightness;
+
+ /* This field is tested by functions directly accessing DSI bus before
+ * transfer, transfer is skipped if it is set. In case of transfer
+ * failure or unexpected response the field is set to error value.
+ * Such construct allows to eliminate many checks in higher level
+ * functions.
+ */
+ int error;
+};
+
+static const s6evr02_gamma_table s6evr02_gamma_tables[GAMMA_LEVEL_NUM] = {
+ {
+ /* 20cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x86, 0x87, 0x87,
+ 0x86, 0x86, 0x85, 0x88, 0x8a, 0x88, 0x86, 0x85, 0x88, 0x75,
+ 0x63, 0x83, 0x63, 0x60, 0x7d, 0x78, 0x85, 0xb8, 0x33, 0x3f,
+ 0x2c, 0x02, 0x03, 0x02
+ }, {
+ /* 30cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x86, 0x87, 0x87,
+ 0x86, 0x85, 0x84, 0x88, 0x8a, 0x87, 0x85, 0x84, 0x87, 0x80,
+ 0x76, 0x85, 0x68, 0x60, 0x76, 0x78, 0x85, 0xb0, 0x33, 0x3f,
+ 0x2c, 0x02, 0x03, 0x02
+ }, {
+ /* 40cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x85, 0x86, 0x87,
+ 0x86, 0x86, 0x85, 0x87, 0x88, 0x86, 0x86, 0x85, 0x89, 0x80,
+ 0x80, 0x83, 0x6a, 0x5c, 0x71, 0x77, 0x81, 0xaa, 0x37, 0x45,
+ 0x2f, 0x02, 0x03, 0x02
+ }, {
+ /* 50cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x85, 0x86, 0x87,
+ 0x85, 0x85, 0x84, 0x88, 0x89, 0x87, 0x84, 0x82, 0x86, 0x83,
+ 0x84, 0x85, 0x6f, 0x63, 0x71, 0x7d, 0x81, 0xa5, 0x37, 0x45,
+ 0x2f, 0x02, 0x03, 0x02
+ }, {
+ /* 60cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x85, 0x86, 0x87,
+ 0x85, 0x85, 0x84, 0x86, 0x88, 0x85, 0x83, 0x81, 0x85, 0x81,
+ 0x80, 0x83, 0x77, 0x69, 0x76, 0x7f, 0x81, 0xa0, 0x37, 0x45,
+ 0x2f, 0x02, 0x03, 0x02
+ }, {
+ /* 70cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x84, 0x85, 0x86,
+ 0x85, 0x85, 0x84, 0x87, 0x89, 0x87, 0x83, 0x81, 0x85, 0x81,
+ 0x80, 0x83, 0x71, 0x64, 0x6f, 0x89, 0x88, 0xa3, 0x37, 0x45,
+ 0x2f, 0x02, 0x03, 0x02
+ }, {
+ /* 80cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x84, 0x85, 0x86,
+ 0x85, 0x85, 0x84, 0x86, 0x87, 0x85, 0x84, 0x82, 0x87, 0x81,
+ 0x80, 0x83, 0x73, 0x66, 0x6f, 0x8a, 0x88, 0xa0, 0x37, 0x45,
+ 0x2f, 0x02, 0x03, 0x02
+ }, {
+ /* 90cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x84, 0x85, 0x86,
+ 0x85, 0x85, 0x84, 0x86, 0x87, 0x85, 0x81, 0x7f, 0x85, 0x7e,
+ 0x7c, 0x80, 0x7a, 0x6d, 0x75, 0x8b, 0x88, 0x9e, 0x37, 0x45,
+ 0x2f, 0x02, 0x03, 0x02
+ }, {
+ /* 100cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x84, 0x85, 0x86,
+ 0x84, 0x83, 0x83, 0x87, 0x88, 0x86, 0x81, 0x7f, 0x85, 0x7e,
+ 0x7c, 0x80, 0x7a, 0x70, 0x75, 0x86, 0x7d, 0x98, 0x3b, 0x4b,
+ 0x33, 0x02, 0x03, 0x02
+ }, {
+ /* 102cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x84, 0x85, 0x86,
+ 0x85, 0x85, 0x84, 0x86, 0x87, 0x85, 0x81, 0x7f, 0x85, 0x7e,
+ 0x7c, 0x80, 0x7a, 0x70, 0x75, 0x94, 0x93, 0xa1, 0x33, 0x3f,
+ 0x2c, 0x02, 0x03, 0x02
+ }, {
+ /* 104cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x84, 0x85, 0x86,
+ 0x85, 0x85, 0x84, 0x86, 0x87, 0x85, 0x84, 0x82, 0x87, 0x81,
+ 0x80, 0x83, 0x74, 0x6a, 0x6f, 0x94, 0x92, 0xa7, 0x33, 0x3f,
+ 0x2c, 0x02, 0x03, 0x02
+ }, {
+ /* 106cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x84, 0x85, 0x86,
+ 0x85, 0x85, 0x84, 0x87, 0x89, 0x87, 0x83, 0x81, 0x85, 0x81,
+ 0x80, 0x83, 0x74, 0x6a, 0x6f, 0x95, 0x92, 0x9d, 0x33, 0x3f,
+ 0x2c, 0x02, 0x03, 0x02
+ }, {
+ /* 108cd */
+ 0xca, 0x00, 0xc1, 0x00, 0xba, 0x00, 0xbb, 0x85, 0x86, 0x87,
+ 0x84, 0x84, 0x83, 0x87, 0x89, 0x87, 0x83, 0x81, 0x85, 0x81,
+ 0x80, 0x83, 0x74, 0x6a, 0x6f, 0x95, 0x91, 0x9d, 0x33, 0x3f,
+ 0x2c, 0x02, 0x03, 0x02
+ }, {
+ /* 110cd */
+ 0xca, 0x00, 0xd8, 0x00, 0xd4, 0x00, 0xd3, 0x82, 0x84, 0x85,
+ 0x82, 0x82, 0x81, 0x84, 0x85, 0x84, 0x82, 0x80, 0x83, 0x81,
+ 0x82, 0x83, 0x7b, 0x75, 0x78, 0x85, 0x80, 0x8e, 0x2f, 0x39,
+ 0x29, 0x02, 0x03, 0x02
+ }, {
+ /* 120cd */
+ 0xca, 0x00, 0xdf, 0x00, 0xdb, 0x00, 0xda, 0x82, 0x83, 0x84,
+ 0x81, 0x81, 0x80, 0x83, 0x83, 0x82, 0x82, 0x81, 0x83, 0x80,
+ 0x80, 0x82, 0x7e, 0x7a, 0x7b, 0x86, 0x83, 0x8d, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 130cd */
+ 0xca, 0x00, 0xe4, 0x00, 0xe0, 0x00, 0xe0, 0x82, 0x83, 0x84,
+ 0x81, 0x80, 0x7f, 0x82, 0x82, 0x81, 0x83, 0x82, 0x84, 0x7e,
+ 0x7f, 0x80, 0x7b, 0x76, 0x79, 0x86, 0x83, 0x8d, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 140cd */
+ 0xca, 0x00, 0xe8, 0x00, 0xe5, 0x00, 0xe5, 0x81, 0x82, 0x82,
+ 0x80, 0x80, 0x7f, 0x82, 0x82, 0x82, 0x81, 0x80, 0x82, 0x7f,
+ 0x7f, 0x81, 0x7e, 0x7a, 0x7c, 0x81, 0x7d, 0x88, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 150cd */
+ 0xca, 0x00, 0xec, 0x00, 0xea, 0x00, 0xe9, 0x81, 0x82, 0x82,
+ 0x80, 0x80, 0x7f, 0x81, 0x82, 0x81, 0x81, 0x80, 0x81, 0x80,
+ 0x80, 0x81, 0x7a, 0x77, 0x79, 0x87, 0x86, 0x8d, 0x84, 0x86,
+ 0x83, 0x02, 0x03, 0x02
+ }, {
+ /* 160cd */
+ 0xca, 0x00, 0xf1, 0x00, 0xef, 0x00, 0xef, 0x80, 0x80, 0x81,
+ 0x80, 0x80, 0x7f, 0x80, 0x81, 0x80, 0x82, 0x81, 0x82, 0x7f,
+ 0x7f, 0x7f, 0x7d, 0x7b, 0x7c, 0x82, 0x80, 0x88, 0x84, 0x86,
+ 0x83, 0x02, 0x03, 0x02
+ }, {
+ /* 170cd */
+ 0xca, 0x00, 0xf5, 0x00, 0xf3, 0x00, 0xf3, 0x80, 0x80, 0x81,
+ 0x7f, 0x7f, 0x7f, 0x82, 0x82, 0x82, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x7d, 0x7b, 0x83, 0x84, 0x86,
+ 0x83, 0x02, 0x03, 0x02
+ }, {
+ /* 180cd */
+ 0xca, 0x00, 0xf9, 0x00, 0xf8, 0x00, 0xf8, 0x80, 0x80, 0x80,
+ 0x7f, 0x7f, 0x7f, 0x7f, 0x80, 0x80, 0x81, 0x80, 0x81, 0x81,
+ 0x81, 0x81, 0x7d, 0x7c, 0x7d, 0x83, 0x83, 0x87, 0x7f, 0x7f,
+ 0x7f, 0x02, 0x03, 0x02
+ }, {
+ /* 182cd */
+ 0xca, 0x00, 0xf2, 0x00, 0xf1, 0x00, 0xf0, 0x80, 0x81, 0x81,
+ 0x80, 0x7f, 0x7f, 0x81, 0x81, 0x81, 0x81, 0x80, 0x81, 0x7f,
+ 0x7f, 0x7f, 0x7d, 0x7b, 0x7c, 0x83, 0x81, 0x87, 0x84, 0x86,
+ 0x83, 0x02, 0x03, 0x02
+ }, {
+ /* 184cd */
+ 0xca, 0x00, 0xec, 0x00, 0xea, 0x00, 0xe9, 0x81, 0x82, 0x82,
+ 0x7f, 0x7f, 0x7f, 0x81, 0x81, 0x81, 0x82, 0x81, 0x83, 0x7d,
+ 0x7d, 0x7f, 0x7e, 0x7a, 0x7c, 0x82, 0x7f, 0x86, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 186cd */
+ 0xca, 0x00, 0xe8, 0x00, 0xe4, 0x00, 0xe4, 0x81, 0x82, 0x83,
+ 0x80, 0x80, 0x7f, 0x82, 0x82, 0x81, 0x80, 0x80, 0x81, 0x7e,
+ 0x7f, 0x80, 0x7b, 0x76, 0x79, 0x87, 0x85, 0x8a, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 188cd */
+ 0xca, 0x00, 0xe4, 0x00, 0xe0, 0x00, 0xe0, 0x81, 0x82, 0x83,
+ 0x80, 0x80, 0x7f, 0x81, 0x82, 0x81, 0x80, 0x7f, 0x82, 0x80,
+ 0x80, 0x82, 0x78, 0x72, 0x75, 0x8c, 0x8b, 0x90, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 190cd */
+ 0xca, 0x00, 0xde, 0x00, 0xda, 0x00, 0xda, 0x81, 0x82, 0x83,
+ 0x81, 0x81, 0x80, 0x83, 0x84, 0x82, 0x81, 0x80, 0x83, 0x7f,
+ 0x7f, 0x81, 0x7b, 0x75, 0x78, 0x86, 0x82, 0x8b, 0x2f, 0x39,
+ 0x29, 0x02, 0x03, 0x02
+ }, {
+ /* 200cd */
+ 0xca, 0x00, 0xe3, 0x00, 0xdf, 0x00, 0xdf, 0x81, 0x82, 0x83,
+ 0x80, 0x80, 0x7f, 0x81, 0x82, 0x81, 0x82, 0x81, 0x83, 0x80,
+ 0x80, 0x82, 0x78, 0x72, 0x75, 0x86, 0x82, 0x8b, 0x2f, 0x39,
+ 0x29, 0x02, 0x03, 0x02
+ }, {
+ /* 210cd */
+ 0xca, 0x00, 0xe6, 0x00, 0xe3, 0x00, 0xe3, 0x81, 0x82, 0x82,
+ 0x80, 0x7f, 0x7f, 0x81, 0x81, 0x81, 0x81, 0x80, 0x82, 0x7d,
+ 0x7e, 0x7f, 0x7e, 0x7a, 0x7b, 0x87, 0x85, 0x8a, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 220cd */
+ 0xca, 0x00, 0xea, 0x00, 0xe7, 0x00, 0xe6, 0x80, 0x80, 0x81,
+ 0x80, 0x80, 0x7f, 0x81, 0x81, 0x81, 0x80, 0x80, 0x81, 0x7e,
+ 0x7f, 0x80, 0x7b, 0x76, 0x79, 0x87, 0x85, 0x8a, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 230cd */
+ 0xca, 0x00, 0xec, 0x00, 0xea, 0x00, 0xe9, 0x80, 0x81, 0x82,
+ 0x7f, 0x7f, 0x7f, 0x80, 0x81, 0x80, 0x81, 0x80, 0x82, 0x7f,
+ 0x7f, 0x81, 0x78, 0x73, 0x76, 0x87, 0x85, 0x8a, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 240cd */
+ 0xca, 0x00, 0xef, 0x00, 0xed, 0x00, 0xed, 0x80, 0x80, 0x81,
+ 0x80, 0x7f, 0x7f, 0x80, 0x81, 0x80, 0x7e, 0x7e, 0x7f, 0x7f,
+ 0x7f, 0x81, 0x7e, 0x7a, 0x7c, 0x82, 0x7f, 0x85, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 250cd */
+ 0xca, 0x00, 0xf2, 0x00, 0xf1, 0x00, 0xf0, 0x80, 0x80, 0x81,
+ 0x7e, 0x7e, 0x7e, 0x80, 0x80, 0x80, 0x7f, 0x7f, 0x80, 0x80,
+ 0x80, 0x81, 0x7a, 0x77, 0x79, 0x82, 0x7f, 0x85, 0x2b, 0x34,
+ 0x27, 0x02, 0x03, 0x02
+ }, {
+ /* 300cd */
+ 0xca, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x80, 0x7f, 0x7f,
+ 0x7e, 0x7e, 0x7e, 0x7f, 0x7f, 0x7f, 0x7f, 0x80, 0x7f, 0x7f,
+ 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x80, 0x7f, 0x7f, 0x7f,
+ 0x7f, 0x02, 0x03, 0x02
+ },
+};
+
+static inline struct s6evr02 *panel_to_s6evr02(struct drm_panel *panel)
+{
+ return container_of(panel, struct s6evr02, panel);
+}
+
+static int s6evr02_clear_error(struct s6evr02 *ctx)
+{
+ int ret = ctx->error;
+
+ ctx->error = 0;
+ return ret;
+}
+
+static void s6evr02_dcs_write(struct s6evr02 *ctx, const void *data, size_t len)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ ssize_t ret;
+
+ if (ctx->error < 0)
+ return;
+
+ ret = mipi_dsi_dcs_write_buffer(dsi, data, len);
+ if (ret < 0) {
+ dev_err(ctx->dev, "error %zd writing dcs seq: %*ph\n", ret,
+ (int)len, data);
+ ctx->error = ret;
+ }
+}
+
+static int s6evr02_read(struct s6evr02 *ctx, u8 cmd, void *data, size_t len)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (ctx->error < 0)
+ return ctx->error;
+
+ ret = mipi_dsi_generic_read(dsi, &cmd, 1, data, len);
+ if (ret < 0) {
+ dev_err(ctx->dev, "error %d reading dcs seq(%#x)\n", ret, cmd);
+ ctx->error = ret;
+ }
+
+ return ret;
+}
+
+#define s6evr02_dcs_write_seq_static(ctx, seq...) \
+({\
+ static const u8 d[] = { seq };\
+ s6evr02_dcs_write(ctx, d, ARRAY_SIZE(d));\
+})
+
+static void s6evr02_apply_level_2_key(struct s6evr02 *ctx)
+{
+ s6evr02_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a);
+}
+
+static void s6evr02_etc_elvss_control(struct s6evr02 *ctx)
+{
+ s6evr02_dcs_write_seq_static(ctx, 0xb6, 0x08, 0x07);
+}
+
+static void s6evr02_aid_set(struct s6evr02 *ctx)
+{
+ u8 aid_cmd[] = {
+ 0x51, 0xff, 0x00,
+ };
+
+ const u8 aid_arg[GAMMA_LEVEL_NUM] = {
+ 0x28, 0x3c, 0x51, 0x66, 0x7d, 0x93, 0xab, 0xc2, /* 20-90cd */
+ 0xda, 0xcd, 0xc0, 0xb3, 0xa6, 0x99, 0x99, 0x99, /* 100-130cd */
+ 0x99, 0x99, 0x99, 0x99, 0x99, 0xad, 0xc2, 0xd6, /* 140-186cd */
+ 0xea, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 188-250cd */
+ 0xff, /* 300cd */
+ };
+
+ if (ctx->error)
+ return;
+
+ aid_cmd[2] = aid_arg[ctx->brightness];
+
+ s6evr02_dcs_write(ctx, aid_cmd, ARRAY_SIZE(aid_cmd));
+}
+
+static void s6evr02_acl_set(struct s6evr02 *ctx)
+{
+ u8 acl_seq[] = {0x55, 0x02, 0x00};
+ if (ctx->error)
+ return;
+
+ switch (ctx->brightness) {
+ case 0:
+ acl_seq[1] = 0x00;
+ break;
+ case 1:
+ acl_seq[1] = 0x01;
+ break;
+ }
+
+ s6evr02_dcs_write(ctx, acl_seq, ARRAY_SIZE(acl_seq));
+}
+
+static void s6evr02_elvss_set(struct s6evr02 *ctx)
+{
+ u8 elvss_cmd[] = {
+ 0xb6, 0x08, 0x00,
+ };
+
+ const u8 elvss_arg[GAMMA_LEVEL_NUM] = {
+ 0x20, 0x20, 0x20, 0x1f, 0x1f, 0x1f, 0x1e, 0x1c, /* 20-100cd */
+ 0x1c, 0x1c, 0x1c, 0x1c, 0x1b, 0x19, 0x17, 0x16, /* 102-140cd */
+ 0x14, 0x12, 0x10, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, /* 150-188cd */
+ 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x10, 0x0b, /* 190-300cd */
+ };
+
+ if (ctx->error)
+ return;
+
+ elvss_cmd[2] = elvss_arg[ctx->brightness];
+
+ s6evr02_dcs_write(ctx, elvss_cmd, ARRAY_SIZE(elvss_cmd));
+}
+
+
+static void s6evr02_brightness_set(struct s6evr02 *ctx)
+{
+ const u8 *gamma;
+
+ if (ctx->error)
+ return;
+
+ gamma = s6evr02_gamma_tables[ctx->brightness];
+
+ s6evr02_dcs_write(ctx, gamma, GAMMA_TABLE_LEN);
+
+ /* apply gamma table update. */
+ s6evr02_dcs_write_seq_static(ctx, 0xf7, 0x03, 0x00);
+
+ s6evr02_aid_set(ctx);
+ s6evr02_acl_set(ctx);
+ s6evr02_elvss_set(ctx);
+}
+
+static void s6evr02_gamma_cond_set(struct s6evr02 *ctx)
+{
+ s6evr02_dcs_write_seq_static(ctx,
+ 0xca, 0x01, 0x27, 0x01, 0x3d, 0x01, 0x47, 0xd1, 0xd7, 0xd1,
+ 0xca, 0xce, 0xcc, 0xc4, 0xb3, 0xb1, 0xa1, 0xb9, 0xb8, 0xa2,
+ 0xce, 0xba, 0xc8, 0xc9, 0xad, 0x9b, 0x85, 0x53, 0x6a, 0x7e,
+ 0xe3, 0x09, 0x09, 0x0b);
+}
+
+static void s6evr02_gamma_update(struct s6evr02 *ctx)
+{
+ s6evr02_dcs_write_seq_static(ctx, 0xf7, 0x03, 0x00);
+}
+
+static void s6evr02_brightness_control_on(struct s6evr02 *ctx)
+{
+ s6evr02_dcs_write_seq_static(ctx, 0x53, 0x20, 0x00);
+}
+
+static void s6evr02_aor_control(struct s6evr02 *ctx)
+{
+ s6evr02_dcs_write_seq_static(ctx, 0x51, 0xff, 0x00);
+}
+
+static void s6evr02_acl_off(struct s6evr02 *ctx)
+{
+ s6evr02_dcs_write_seq_static(ctx, 0x55, 0x00, 0x00);
+}
+
+static void s6evr02_panel_init(struct s6evr02 *ctx)
+{
+ s6evr02_apply_level_2_key(ctx);
+ s6evr02_dcs_write_seq_static(ctx, MIPI_DCS_EXIT_SLEEP_MODE);
+ msleep(20);
+
+ if (ctx->version == UB_VERSION) {
+ s6evr02_gamma_cond_set(ctx);
+ s6evr02_gamma_update(ctx);
+ }
+
+ s6evr02_brightness_control_on(ctx);
+ s6evr02_aor_control(ctx);
+ s6evr02_etc_elvss_control(ctx);
+ s6evr02_acl_off(ctx);
+}
+
+static void s6evr02_set_maximum_return_packet_size(struct s6evr02 *ctx,
+ u16 size)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (ctx->error < 0)
+ return;
+
+ ret = mipi_dsi_set_maximum_return_packet_size(dsi, size);
+ if (ret < 0) {
+ dev_err(ctx->dev,
+ "error %d setting maximum return packet size to %d\n",
+ ret, size);
+ ctx->error = ret;
+ }
+}
+
+static void s6evr02_read_mtp_id(struct s6evr02 *ctx)
+{
+ u8 id[3] = {0, 0, 0};
+ int ret;
+
+ /* the panel seems not to respond properly
+ * to read commands until we write something to it
+ */
+ s6evr02_apply_level_2_key(ctx);
+
+ ret = s6evr02_read(ctx, 0xd7, id, ARRAY_SIZE(id));
+ if (ret < 0 || ret < ARRAY_SIZE(id) || id[0] == 0x00) {
+ dev_err(ctx->dev, "failed to read ID from panel\n");
+ ctx->error = -EIO;
+ return;
+ }
+
+ dev_info(ctx->dev, "ID: 0x%2x, 0x%2x, 0x%2x\n", id[0], id[1], id[2]);
+
+ ctx->version = id[1];
+ ctx->id = id[2];
+}
+
+static void s6evr02_set_sequence(struct s6evr02 *ctx)
+{
+ s6evr02_set_maximum_return_packet_size(ctx, 3);
+ s6evr02_read_mtp_id(ctx);
+ s6evr02_panel_init(ctx);
+ s6evr02_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_ON);
+}
+
+static int s6evr02_power_on(struct s6evr02 *ctx)
+{
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ msleep(ctx->power_on_delay);
+
+ gpiod_set_value(ctx->reset_gpio, 0);
+ usleep_range(5000, 6000);
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(5000, 6000);
+
+ msleep(ctx->reset_delay);
+
+ return 0;
+}
+
+static int s6evr02_power_off(struct s6evr02 *ctx)
+{
+ return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+}
+
+static int s6evr02_disable(struct drm_panel *panel)
+{
+ return 0;
+}
+
+static int s6evr02_unprepare(struct drm_panel *panel)
+{
+ struct s6evr02 *ctx = panel_to_s6evr02(panel);
+
+ clear_bit(S6EVR02_STATE_BIT_ENABLED, &ctx->state);
+ s6evr02_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF);
+ s6evr02_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE);
+ msleep(40);
+
+ s6evr02_clear_error(ctx);
+
+ return s6evr02_power_off(ctx);
+}
+
+static int s6evr02_prepare(struct drm_panel *panel)
+{
+ struct s6evr02 *ctx = panel_to_s6evr02(panel);
+ int ret;
+
+ ret = s6evr02_power_on(ctx);
+ if (ret < 0)
+ return ret;
+
+ s6evr02_set_sequence(ctx);
+ ret = ctx->error;
+
+ if (ret < 0)
+ s6evr02_unprepare(panel);
+ else
+ set_bit(S6EVR02_STATE_BIT_ENABLED, &ctx->state);
+
+ return ret;
+}
+
+static int s6evr02_enable(struct drm_panel *panel)
+{
+ return 0;
+}
+
+static int s6evr02_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct s6evr02 *ctx = panel_to_s6evr02(panel);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ dev_err(panel->dev, "failed to create a new display mode\n");
+ return 0;
+ }
+
+ drm_display_mode_from_videomode(&ctx->vm, mode);
+ mode->width_mm = ctx->width_mm;
+ mode->height_mm = ctx->height_mm;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs s6evr02_drm_funcs = {
+ .disable = s6evr02_disable,
+ .unprepare = s6evr02_unprepare,
+ .prepare = s6evr02_prepare,
+ .enable = s6evr02_enable,
+ .get_modes = s6evr02_get_modes,
+};
+
+static int s6evr02_get_brightness(struct backlight_device *bd)
+{
+ return bd->props.brightness;
+}
+
+static int s6evr02_set_brightness(struct backlight_device *bd)
+{
+ struct s6evr02 *ctx = bl_get_data(bd);
+
+ bd->props.power = FB_BLANK_UNBLANK;
+ if (ctx->brightness != bd->props.brightness) {
+ ctx->brightness = bd->props.brightness;
+ if (test_bit(S6EVR02_STATE_BIT_ENABLED, &ctx->state))
+ s6evr02_brightness_set(ctx);
+ }
+
+ return s6evr02_clear_error(ctx);
+}
+
+static const struct backlight_ops s6evr02_backlight_ops = {
+ .get_brightness = s6evr02_get_brightness,
+ .update_status = s6evr02_set_brightness,
+};
+
+static void s6evr02_backlight_register(struct s6evr02 *ctx)
+{
+ struct backlight_properties props = {
+ .type = BACKLIGHT_RAW,
+ .brightness = ctx->brightness,
+ .max_brightness = GAMMA_LEVEL_NUM - 1
+ };
+ struct device *dev = ctx->dev;
+ struct backlight_device *bd;
+
+ bd = devm_backlight_device_register(dev, "panel", dev, ctx,
+ &s6evr02_backlight_ops, &props);
+ if (IS_ERR(bd))
+ dev_err(dev, "error registering backlight device (%ld)\n",
+ PTR_ERR(bd));
+}
+
+static int s6evr02_parse_dt(struct s6evr02 *ctx)
+{
+ struct device *dev = ctx->dev;
+ struct device_node *np = dev->of_node;
+ int ret;
+
+ ret = of_get_videomode(np, &ctx->vm, 0);
+ if (ret < 0)
+ return ret;
+
+ of_property_read_u32(np, "power-on-delay", &ctx->power_on_delay);
+ of_property_read_u32(np, "reset-delay", &ctx->reset_delay);
+ of_property_read_u32(np, "init-delay", &ctx->init_delay);
+ of_property_read_u32(np, "panel-width-mm", &ctx->width_mm);
+ of_property_read_u32(np, "panel-height-mm", &ctx->height_mm);
+
+ return 0;
+}
+
+static int s6evr02_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct s6evr02 *ctx;
+ int ret = 0;
+
+ ctx = devm_kzalloc(dev, sizeof(struct s6evr02), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ pr_err("s6evr02 probing\n");
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ ctx->dev = dev;
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST
+ | MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP
+ | MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_NO_EOT_PACKET
+ | MIPI_DSI_MODE_VSYNC_FLUSH | MIPI_DSI_MODE_VIDEO_AUTO_VERT;
+
+ ret = s6evr02_parse_dt(ctx);
+ if (ret < 0)
+ return ret;
+
+ ctx->supplies[0].supply = "vdd3";
+ ctx->supplies[1].supply = "vci";
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ if (ret < 0) {
+ dev_err(dev, "failed to get regulators: %d\n", ret);
+ return ret;
+ }
+
+ ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(ctx->reset_gpio)) {
+ dev_err(dev, "cannot get reset-gpios %ld\n",
+ PTR_ERR(ctx->reset_gpio));
+ return PTR_ERR(ctx->reset_gpio);
+ }
+
+ ctx->brightness = GAMMA_LEVEL_NUM - 1;
+
+ drm_panel_init(&ctx->panel, dev, &s6evr02_drm_funcs, DRM_MODE_CONNECTOR_DSI);
+
+ drm_panel_add(&ctx->panel);
+
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0)
+ drm_panel_remove(&ctx->panel);
+
+ s6evr02_backlight_register(ctx);
+
+ return ret;
+}
+
+static int s6evr02_remove(struct mipi_dsi_device *dsi)
+{
+ struct s6evr02 *ctx = mipi_dsi_get_drvdata(dsi);
+
+ mipi_dsi_detach(dsi);
+ drm_panel_remove(&ctx->panel);
+
+ return 0;
+}
+
+static const struct of_device_id s6evr02_of_match[] = {
+ { .compatible = "samsung,s6evr02" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, s6evr02_of_match);
+
+static struct mipi_dsi_driver s6evr02_driver = {
+ .probe = s6evr02_probe,
+ .remove = s6evr02_remove,
+ .driver = {
+ .name = "panel-samsung-s6evr02",
+ .of_match_table = s6evr02_of_match,
+ },
+};
+module_mipi_dsi_driver(s6evr02_driver);
+
+MODULE_AUTHOR("Simon Shields <simon@lineageos.org>");
+MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");
+MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
+MODULE_AUTHOR("Joongmock Shin <jmock.shin@samsung.com>");
+MODULE_AUTHOR("Eunchul Kim <chulspro.kim@samsung.com>");
+MODULE_AUTHOR("Tomasz Figa <t.figa@samsung.com>");
+MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>");
+MODULE_DESCRIPTION("MIPI-DSI based s6evr02 AMOLED LCD Panel Driver");
+MODULE_LICENSE("GPL v2");
+

6
main/linux-postmarketos-exynos4/APKBUILD
View file

@ -4,7 +4,7 @@
pkgname=linux-postmarketos-exynos4
pkgver=5.15
pkgrel=1
pkgrel=2
pkgdesc="Mainline kernel fork for Samsung Exynos4 devices"
arch="armv7"
_carch="arm"
@ -51,6 +51,7 @@ source="
0010-power-supply-max17042_battery-Prevent-int-underflow-.patch
0011-ARM-dts-exynos-i9100-Fix-BCM4330-Bluetooth-reset-.patch
0012-ARM-dts-exynos-i9100-Use-interrupt-for-BCM4330-ho.patch
0013-ARM-dts-driver-exynos-n710x-add-panel.patch
initramfs.list
init
"
@ -91,7 +92,7 @@ package() {
sha512sums="
f31ff70afa2c0b5a83f04d862187570174e477b92ac5d503f9fb1d1617a0e16d863b786495c321e41528c4a67ab050a5320b1d875555405a1e6e1f7a3c3b6cc4 linux-5.15.tar.gz
9e6800509a260085ff7850f67a743c8e9984115f06a7e18a11b82078e9dc971414bc218fd684eef48191e5a17b785ef5beabb435ef2fc80ba100d43c4508d845 config-postmarketos-exynos4.armv7
a30c68785f4dcc68ad29cc230e2f8ffa330cc8faca9194b2ccc8d72a7b9d2897559363b86a57d5b439757970a9be2445d59b1d090d068cc0d8f6a6b411afa971 config-postmarketos-exynos4.armv7
a033fa9afa05825d5c923f1d5a224e230a8b02e75b02a21e0a0077f1b76c01d663ba54204e66db1e85096d9e44cc29fee0acaf919d3187cb47dba9005f94d8be 0001-ARM-decompressor-Flush-tlb-before-swiching-domain-0-.patch
57590b105cb6d01e5f2d860a21c1417b197abbcaf8553bf57633b261ac1e161b0d424f8baeb7b14b3ed923ebac6f6e27401ef02c0b53a4b3e34600368fe85219 0002-ARM-dts-exynos-Add-reboot-modes-to-midas.patch
81430b484a0747717ed8dba45c04c40689d9546b7b9d3eb20f0520e78c94f1438afc1f21a0b06007f60ff718e924d1586acc98f4498671a1a7609ed6e6f2b3f0 0003-mmc-core-Workaround-VTU00M-0xf1-FTL-metadata-corrupt.patch
@ -104,6 +105,7 @@ de87e6a6608165cdc35a03bd10dedef1c12a2a9e1f66f500879c05b287bae7181cc95021a3a2aad6
eeeb338ebe4890abd3c15262ed7bb9fb5b5f3d118f249efb384df2b342f94909146d210704d81346734fd3ce9ae2dd7bf9bd433a1ed02f36e8b595a1922bb6a3 0010-power-supply-max17042_battery-Prevent-int-underflow-.patch
f0824947fbcc05199e10efb1eb5e0c5c8ba552c86fd255682d36c9e00a9257b44f11cf34086a7a85bf69c2307086f5c567c017c9f4dfee7b4880f73dfaf8722a 0011-ARM-dts-exynos-i9100-Fix-BCM4330-Bluetooth-reset-.patch
4ad139898236dd7035ace862c4a9be2d92351977f2d0c38072434c82f2a7f89c224f9b366fcf44755849788f92ed8cdc019cf6c82453b85d5257bf6737a6bb68 0012-ARM-dts-exynos-i9100-Use-interrupt-for-BCM4330-ho.patch
054a03b327386b32b516cf7f9fdbf15adba9b3fb6d0d20473493f7e4538202496829443eb18f9a928b4959b1296ee98171d4a19d8fcf58439d4fdb122fbb97ac 0013-ARM-dts-driver-exynos-n710x-add-panel.patch
aaff0332b90e1f9f62de1128cace934717336e54ab09de46477369fa808302482d97334e43a85ee8597c1bcab64d3484750103559fea2ce8cd51776156bf7591 initramfs.list
09f1f214a24300696809727a7b04378887c06ca6f40803ca51a12bf2176a360b2eb8632139d6a0722094e05cb2038bdb04018a1e3d33fc2697674552ade03bee init
"

9
main/linux-postmarketos-exynos4/config-postmarketos-exynos4.armv7
View file

@ -2,9 +2,9 @@
# Automatically generated file; DO NOT EDIT.
# Linux/arm 5.15.0 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="armv7-alpine-linux-musleabihf-gcc (Alpine 10.3.1_git20211027) 10.3.1 20211027"
CONFIG_CC_VERSION_TEXT="armv7-alpine-linux-musleabihf-gcc (Alpine 11.2.1_git20211128) 11.2.1 20211128"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=100301
CONFIG_GCC_VERSION=110201
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=23700
@ -12,6 +12,7 @@ CONFIG_LD_IS_BFD=y
CONFIG_LD_VERSION=23700
CONFIG_LLD_VERSION=0
CONFIG_CC_HAS_ASM_GOTO=y
CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
CONFIG_CC_HAS_ASM_INLINE=y
CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y
CONFIG_IRQ_WORK=y
@ -3295,6 +3296,7 @@ CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03=y
# CONFIG_DRM_PANEL_SAMSUNG_S6E63M0 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01 is not set
CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0=y
CONFIG_DRM_PANEL_SAMSUNG_S6EVR02=y
# CONFIG_DRM_PANEL_SAMSUNG_SOFEF00 is not set
# CONFIG_DRM_PANEL_SEIKO_43WVF1G is not set
# CONFIG_DRM_PANEL_SHARP_LQ101R1SX01 is not set
@ -5464,6 +5466,8 @@ CONFIG_INIT_STACK_NONE=y
# CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL is not set
# CONFIG_INIT_ON_ALLOC_DEFAULT_ON is not set
# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set
CONFIG_CC_HAS_ZERO_CALL_USED_REGS=y
# CONFIG_ZERO_CALL_USED_REGS is not set
# end of Memory initialization
# end of Kernel hardening options
# end of Security options
@ -5832,6 +5836,7 @@ CONFIG_DEBUG_FS_ALLOW_ALL=y
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
# CONFIG_UBSAN is not set
CONFIG_HAVE_KCSAN_COMPILER=y
# end of Generic Kernel Debugging Instruments
CONFIG_DEBUG_KERNEL=y