From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/panel/panel-innolux-p079zca.c | 104 ++++++++++++++++++---------------------------------
1 files changed, 37 insertions(+), 67 deletions(-)
diff --git a/kernel/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/kernel/drivers/gpu/drm/panel/panel-innolux-p079zca.c
index 362ff55..f194b62 100644
--- a/kernel/drivers/gpu/drm/panel/panel-innolux-p079zca.c
+++ b/kernel/drivers/gpu/drm/panel/panel-innolux-p079zca.c
@@ -1,25 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
-#include <linux/backlight.h>
+#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 <drm/drmP.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_mipi_dsi.h>
-#include <drm/drm_panel.h>
-
#include <video/mipi_display.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_device.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
struct panel_init_cmd {
size_t len;
@@ -53,9 +50,7 @@
struct mipi_dsi_device *link;
const struct panel_desc *desc;
- struct backlight_device *backlight;
struct regulator_bulk_data *supplies;
- unsigned int num_supplies;
struct gpio_desc *enable_gpio;
bool prepared;
@@ -74,8 +69,6 @@
if (!innolux->enabled)
return 0;
- backlight_disable(innolux->backlight);
-
innolux->enabled = false;
return 0;
@@ -91,13 +84,11 @@
err = mipi_dsi_dcs_set_display_off(innolux->link);
if (err < 0)
- DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
- err);
+ dev_err(panel->dev, "failed to set display off: %d\n", err);
err = mipi_dsi_dcs_enter_sleep_mode(innolux->link);
if (err < 0) {
- DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n",
- err);
+ dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
return err;
}
@@ -153,8 +144,7 @@
err = mipi_dsi_generic_write(innolux->link, cmd->data,
cmd->len);
if (err < 0) {
- dev_err(panel->dev,
- "failed to write command %u\n", i);
+ dev_err(panel->dev, "failed to write command %u\n", i);
goto poweroff;
}
@@ -165,8 +155,7 @@
*/
err = mipi_dsi_dcs_nop(innolux->link);
if (err < 0) {
- dev_err(panel->dev,
- "failed to send DCS nop: %d\n", err);
+ dev_err(panel->dev, "failed to send DCS nop: %d\n", err);
goto poweroff;
}
}
@@ -174,8 +163,7 @@
err = mipi_dsi_dcs_exit_sleep_mode(innolux->link);
if (err < 0) {
- DRM_DEV_ERROR(panel->dev, "failed to exit sleep mode: %d\n",
- err);
+ dev_err(panel->dev, "failed to exit sleep mode: %d\n", err);
goto poweroff;
}
@@ -184,8 +172,7 @@
err = mipi_dsi_dcs_set_display_on(innolux->link);
if (err < 0) {
- DRM_DEV_ERROR(panel->dev, "failed to set display on: %d\n",
- err);
+ dev_err(panel->dev, "failed to set display on: %d\n", err);
goto poweroff;
}
@@ -206,17 +193,9 @@
static int innolux_panel_enable(struct drm_panel *panel)
{
struct innolux_panel *innolux = to_innolux_panel(panel);
- int ret;
if (innolux->enabled)
return 0;
-
- ret = backlight_enable(innolux->backlight);
- if (ret) {
- DRM_DEV_ERROR(panel->drm->dev,
- "Failed to enable backlight %d\n", ret);
- return ret;
- }
innolux->enabled = true;
@@ -237,7 +216,6 @@
.vsync_start = 1024 + 20,
.vsync_end = 1024 + 20 + 4,
.vtotal = 1024 + 20 + 4 + 20,
- .vrefresh = 60,
};
static const struct panel_desc innolux_p079zca_panel_desc = {
@@ -271,7 +249,6 @@
.vsync_start = 2048 + 100,
.vsync_end = 2048 + 100 + 2,
.vtotal = 2048 + 100 + 2 + 18,
- .vrefresh = 60,
};
/*
@@ -405,28 +382,27 @@
.sleep_mode_delay = 100, /* T15 */
};
-static int innolux_panel_get_modes(struct drm_panel *panel)
+static int innolux_panel_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
{
struct innolux_panel *innolux = to_innolux_panel(panel);
const struct drm_display_mode *m = innolux->desc->mode;
struct drm_display_mode *mode;
- mode = drm_mode_duplicate(panel->drm, m);
+ mode = drm_mode_duplicate(connector->dev, m);
if (!mode) {
- DRM_DEV_ERROR(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
- m->hdisplay, m->vdisplay, m->vrefresh);
+ dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
+ m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
return -ENOMEM;
}
drm_mode_set_name(mode);
- drm_mode_probed_add(panel->connector, mode);
+ drm_mode_probed_add(connector, mode);
- panel->connector->display_info.width_mm =
- innolux->desc->size.width;
- panel->connector->display_info.height_mm =
- innolux->desc->size.height;
- panel->connector->display_info.bpc = innolux->desc->bpc;
+ connector->display_info.width_mm = innolux->desc->size.width;
+ connector->display_info.height_mm = innolux->desc->size.height;
+ connector->display_info.bpc = innolux->desc->bpc;
return 1;
}
@@ -485,17 +461,14 @@
innolux->enable_gpio = NULL;
}
- innolux->backlight = devm_of_find_backlight(dev);
- if (IS_ERR(innolux->backlight))
- return PTR_ERR(innolux->backlight);
+ drm_panel_init(&innolux->base, dev, &innolux_panel_funcs,
+ DRM_MODE_CONNECTOR_DSI);
- drm_panel_init(&innolux->base);
- innolux->base.funcs = &innolux_panel_funcs;
- innolux->base.dev = dev;
-
- err = drm_panel_add(&innolux->base);
- if (err < 0)
+ err = drm_panel_of_backlight(&innolux->base);
+ if (err)
return err;
+
+ drm_panel_add(&innolux->base);
mipi_dsi_set_drvdata(dsi, innolux);
innolux->link = dsi;
@@ -505,8 +478,7 @@
static void innolux_panel_del(struct innolux_panel *innolux)
{
- if (innolux->base.dev)
- drm_panel_remove(&innolux->base);
+ drm_panel_remove(&innolux->base);
}
static int innolux_panel_probe(struct mipi_dsi_device *dsi)
@@ -539,19 +511,17 @@
struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi);
int err;
- err = innolux_panel_unprepare(&innolux->base);
+ err = drm_panel_unprepare(&innolux->base);
if (err < 0)
- DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n",
- err);
+ dev_err(&dsi->dev, "failed to unprepare panel: %d\n", err);
- err = innolux_panel_disable(&innolux->base);
+ err = drm_panel_disable(&innolux->base);
if (err < 0)
- DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", err);
+ dev_err(&dsi->dev, "failed to disable panel: %d\n", err);
err = mipi_dsi_detach(dsi);
if (err < 0)
- DRM_DEV_ERROR(&dsi->dev, "failed to detach from DSI host: %d\n",
- err);
+ dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
innolux_panel_del(innolux);
@@ -562,8 +532,8 @@
{
struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi);
- innolux_panel_unprepare(&innolux->base);
- innolux_panel_disable(&innolux->base);
+ drm_panel_unprepare(&innolux->base);
+ drm_panel_disable(&innolux->base);
}
static struct mipi_dsi_driver innolux_panel_driver = {
--
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