From 54d209e2fa942246c13557caabebc4228fb4d5d8 Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <sam@ravnborg.org>
Date: Sat, 9 Oct 2021 19:10:56 +0200
Subject: [PATCH] Revert "drm/panel: Add support for Sharp LS060T1SX01 panel"

This reverts commit
223cce88a926 ("drm/panel: Add support for Sharp LS060T1SX01 panel").

It was pushed to drm-misc-next by accident.
Added my own ack to expedit the revert.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210926001005.3442668-3-dmitry.baryshkov@linaro.org
---
 drivers/gpu/drm/panel/Kconfig                   |  10 -
 drivers/gpu/drm/panel/Makefile                  |   1 -
 drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c | 332 ------------------------
 3 files changed, 343 deletions(-)
 delete mode 100644 drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index eb01549..369cb76 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -519,16 +519,6 @@ config DRM_PANEL_SHARP_LS043T1LE01
 	  Say Y here if you want to enable support for Sharp LS043T1LE01 qHD
 	  (540x960) DSI panel as found on the Qualcomm APQ8074 Dragonboard
 
-config DRM_PANEL_SHARP_LS060T1SX01
-	tristate "Sharp LS060T1SX01 FullHD video mode panel"
-	depends on OF
-	depends on DRM_MIPI_DSI
-	depends on BACKLIGHT_CLASS_DEVICE
-	help
-	  Say Y here if you want to enable support for Sharp LS060T1SX01 6.0"
-	  FullHD (1080x1920) DSI panel as found in Dragonboard Display Adapter
-	  Bundle.
-
 config DRM_PANEL_SITRONIX_ST7701
 	tristate "Sitronix ST7701 panel driver"
 	depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index bca4cc1..6e30640 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -53,7 +53,6 @@ obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) += panel-seiko-43wvf1g.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o
-obj-$(CONFIG_DRM_PANEL_SHARP_LS060T1SX01) += panel-sharp-ls060t1sx01.o
 obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7701) += panel-sitronix-st7701.o
 obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7703) += panel-sitronix-st7703.o
 obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7789V) += panel-sitronix-st7789v.o
diff --git a/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c b/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c
deleted file mode 100644
index 1049810..0000000
--- a/drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c
+++ /dev/null
@@ -1,332 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-// Copyright (c) 2021 Linaro Ltd.
-// Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
-//   Copyright (c) 2013-2014, 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/regulator/consumer.h>
-
-#include <video/mipi_display.h>
-
-#include <drm/drm_mipi_dsi.h>
-#include <drm/drm_modes.h>
-#include <drm/drm_panel.h>
-
-struct sharp_ls060 {
-	struct drm_panel panel;
-	struct mipi_dsi_device *dsi;
-	struct regulator *vddi_supply;
-	struct regulator *vddh_supply;
-	struct regulator *avdd_supply;
-	struct regulator *avee_supply;
-	struct gpio_desc *reset_gpio;
-	bool prepared;
-};
-
-static inline struct sharp_ls060 *to_sharp_ls060(struct drm_panel *panel)
-{
-	return container_of(panel, struct sharp_ls060, panel);
-}
-
-#define dsi_dcs_write_seq(dsi, seq...) ({				\
-		static const u8 d[] = { seq };				\
-									\
-		mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d));	\
-	})
-
-static void sharp_ls060_reset(struct sharp_ls060 *ctx)
-{
-	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
-	usleep_range(10000, 11000);
-	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
-	usleep_range(10000, 11000);
-	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
-	usleep_range(10000, 11000);
-}
-
-static int sharp_ls060_on(struct sharp_ls060 *ctx)
-{
-	struct mipi_dsi_device *dsi = ctx->dsi;
-	struct device *dev = &dsi->dev;
-	int ret;
-
-	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
-
-	ret = dsi_dcs_write_seq(dsi, 0xbb, 0x13);
-	if (ret < 0) {
-		dev_err(dev, "Failed to send command: %d\n", ret);
-		return ret;
-	}
-
-	ret = dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_MEMORY_START);
-	if (ret < 0) {
-		dev_err(dev, "Failed to send command: %d\n", ret);
-		return ret;
-	}
-
-	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
-		return ret;
-	}
-	msleep(120);
-
-	ret = mipi_dsi_dcs_set_display_on(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set display on: %d\n", ret);
-		return ret;
-	}
-	msleep(50);
-
-	return 0;
-}
-
-static int sharp_ls060_off(struct sharp_ls060 *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;
-	}
-	usleep_range(2000, 3000);
-
-	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(121);
-
-	return 0;
-}
-
-static int sharp_ls060_prepare(struct drm_panel *panel)
-{
-	struct sharp_ls060 *ctx = to_sharp_ls060(panel);
-	struct device *dev = &ctx->dsi->dev;
-	int ret;
-
-	if (ctx->prepared)
-		return 0;
-
-	ret = regulator_enable(ctx->vddi_supply);
-	if (ret < 0)
-		return ret;
-
-	ret = regulator_enable(ctx->avdd_supply);
-	if (ret < 0)
-		goto err_avdd;
-
-	msleep(1);
-
-	ret = regulator_enable(ctx->avee_supply);
-	if (ret < 0)
-		goto err_avee;
-
-	msleep(10);
-
-	ret = regulator_enable(ctx->vddh_supply);
-	if (ret < 0)
-		goto err_vddh;
-
-	msleep(10);
-
-	sharp_ls060_reset(ctx);
-
-	ret = sharp_ls060_on(ctx);
-	if (ret < 0) {
-		dev_err(dev, "Failed to initialize panel: %d\n", ret);
-		goto err_on;
-	}
-
-	ctx->prepared = true;
-
-	return 0;
-
-err_on:
-	regulator_disable(ctx->vddh_supply);
-
-	msleep(10);
-
-err_vddh:
-	regulator_disable(ctx->avee_supply);
-
-err_avee:
-	regulator_disable(ctx->avdd_supply);
-
-	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
-
-err_avdd:
-	regulator_disable(ctx->vddi_supply);
-
-	return ret;
-}
-
-static int sharp_ls060_unprepare(struct drm_panel *panel)
-{
-	struct sharp_ls060 *ctx = to_sharp_ls060(panel);
-	struct device *dev = &ctx->dsi->dev;
-	int ret;
-
-	if (!ctx->prepared)
-		return 0;
-
-	ret = sharp_ls060_off(ctx);
-	if (ret < 0)
-		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
-
-	regulator_disable(ctx->vddh_supply);
-
-	msleep(10);
-
-	regulator_disable(ctx->avee_supply);
-	regulator_disable(ctx->avdd_supply);
-
-	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
-
-	regulator_disable(ctx->vddi_supply);
-
-	ctx->prepared = false;
-	return 0;
-}
-
-static const struct drm_display_mode sharp_ls060_mode = {
-	.clock = (1080 + 96 + 16 + 64) * (1920 + 4 + 1 + 16) * 60 / 1000,
-	.hdisplay = 1080,
-	.hsync_start = 1080 + 96,
-	.hsync_end = 1080 + 96 + 16,
-	.htotal = 1080 + 96 + 16 + 64,
-	.vdisplay = 1920,
-	.vsync_start = 1920 + 4,
-	.vsync_end = 1920 + 4 + 1,
-	.vtotal = 1920 + 4 + 1 + 16,
-	.width_mm = 75,
-	.height_mm = 132,
-};
-
-static int sharp_ls060_get_modes(struct drm_panel *panel,
-				 struct drm_connector *connector)
-{
-	struct drm_display_mode *mode;
-
-	mode = drm_mode_duplicate(connector->dev, &sharp_ls060_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 sharp_ls060_panel_funcs = {
-	.prepare = sharp_ls060_prepare,
-	.unprepare = sharp_ls060_unprepare,
-	.get_modes = sharp_ls060_get_modes,
-};
-
-static int sharp_ls060_probe(struct mipi_dsi_device *dsi)
-{
-	struct device *dev = &dsi->dev;
-	struct sharp_ls060 *ctx;
-	int ret;
-
-	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
-
-	ctx->vddi_supply = devm_regulator_get(dev, "vddi");
-	if (IS_ERR(ctx->vddi_supply))
-		return PTR_ERR(ctx->vddi_supply);
-
-	ctx->vddh_supply = devm_regulator_get(dev, "vddh");
-	if (IS_ERR(ctx->vddh_supply))
-		return PTR_ERR(ctx->vddh_supply);
-
-	ctx->avdd_supply = devm_regulator_get(dev, "avdd");
-	if (IS_ERR(ctx->avdd_supply))
-		return PTR_ERR(ctx->avdd_supply);
-
-	ctx->avee_supply = devm_regulator_get(dev, "avee");
-	if (IS_ERR(ctx->avee_supply))
-		return PTR_ERR(ctx->avee_supply);
-
-	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
-	if (IS_ERR(ctx->reset_gpio))
-		return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
-				     "Failed to get reset-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 | MIPI_DSI_MODE_VIDEO_BURST |
-			  MIPI_DSI_MODE_EOT_PACKET |
-			  MIPI_DSI_CLOCK_NON_CONTINUOUS;
-
-	drm_panel_init(&ctx->panel, dev, &sharp_ls060_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
-	ret = drm_panel_of_backlight(&ctx->panel);
-	if (ret)
-		return dev_err_probe(dev, ret, "Failed to get 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);
-		drm_panel_remove(&ctx->panel);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int sharp_ls060_remove(struct mipi_dsi_device *dsi)
-{
-	struct sharp_ls060 *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 sharp_ls060t1sx01_of_match[] = {
-	{ .compatible = "sharp,ls060t1sx01" },
-	{ /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, sharp_ls060t1sx01_of_match);
-
-static struct mipi_dsi_driver sharp_ls060_driver = {
-	.probe = sharp_ls060_probe,
-	.remove = sharp_ls060_remove,
-	.driver = {
-		.name = "panel-sharp-ls060t1sx01",
-		.of_match_table = sharp_ls060t1sx01_of_match,
-	},
-};
-module_mipi_dsi_driver(sharp_ls060_driver);
-
-MODULE_AUTHOR("Dmitry Baryshkov <dmitry.baryshkov@linaro.org>");
-MODULE_DESCRIPTION("DRM driver for Sharp LS060T1SX01 1080p video mode dsi panel");
-MODULE_LICENSE("GPL v2");
-- 
2.7.4