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-panasonic-vvx10f034n00.c | 86 +++++++++++--------------------------------
1 files changed, 22 insertions(+), 64 deletions(-)
diff --git a/kernel/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c b/kernel/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
index cb4dfb9..3c20bee 100644
--- a/kernel/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
+++ b/kernel/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
@@ -1,34 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Red Hat
* Copyright (C) 2015 Sony Mobile Communications Inc.
* Author: Werner Johansson <werner.johansson@sonymobile.com>
*
* Based on AUO panel driver by Rob Clark <robdclark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <linux/backlight.h>
+#include <linux/delay.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
-#include <drm/drmP.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_panel.h>
-
-#include <video/mipi_display.h>
/*
* When power is turned off to this panel a minimum off time of 500ms has to be
@@ -41,7 +30,6 @@
struct drm_panel base;
struct mipi_dsi_device *dsi;
- struct backlight_device *backlight;
struct regulator *supply;
bool prepared;
@@ -71,12 +59,6 @@
return 0;
mipi_ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
-
- if (wuxga_nt->backlight) {
- wuxga_nt->backlight->props.power = FB_BLANK_POWERDOWN;
- wuxga_nt->backlight->props.state |= BL_CORE_FBBLANK;
- bl_ret = backlight_update_status(wuxga_nt->backlight);
- }
wuxga_nt->enabled = false;
@@ -152,12 +134,6 @@
if (wuxga_nt->enabled)
return 0;
- if (wuxga_nt->backlight) {
- wuxga_nt->backlight->props.power = FB_BLANK_UNBLANK;
- wuxga_nt->backlight->props.state &= ~BL_CORE_FBBLANK;
- backlight_update_status(wuxga_nt->backlight);
- }
-
wuxga_nt->enabled = true;
return 0;
@@ -173,27 +149,27 @@
.vsync_start = 1200 + 24,
.vsync_end = 1200 + 24 + 6,
.vtotal = 1200 + 24 + 6 + 48,
- .vrefresh = 60,
};
-static int wuxga_nt_panel_get_modes(struct drm_panel *panel)
+static int wuxga_nt_panel_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
{
struct drm_display_mode *mode;
- mode = drm_mode_duplicate(panel->drm, &default_mode);
+ mode = drm_mode_duplicate(connector->dev, &default_mode);
if (!mode) {
- dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
- default_mode.hdisplay, default_mode.vdisplay,
- default_mode.vrefresh);
+ dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
+ default_mode.hdisplay, default_mode.vdisplay,
+ drm_mode_vrefresh(&default_mode));
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 = 217;
- panel->connector->display_info.height_mm = 136;
+ connector->display_info.width_mm = 217;
+ connector->display_info.height_mm = 136;
return 1;
}
@@ -215,7 +191,6 @@
static int wuxga_nt_panel_add(struct wuxga_nt_panel *wuxga_nt)
{
struct device *dev = &wuxga_nt->dsi->dev;
- struct device_node *np;
int ret;
wuxga_nt->mode = &default_mode;
@@ -224,39 +199,22 @@
if (IS_ERR(wuxga_nt->supply))
return PTR_ERR(wuxga_nt->supply);
- np = of_parse_phandle(dev->of_node, "backlight", 0);
- if (np) {
- wuxga_nt->backlight = of_find_backlight_by_node(np);
- of_node_put(np);
+ drm_panel_init(&wuxga_nt->base, &wuxga_nt->dsi->dev,
+ &wuxga_nt_panel_funcs, DRM_MODE_CONNECTOR_DSI);
- if (!wuxga_nt->backlight)
- return -EPROBE_DEFER;
- }
+ ret = drm_panel_of_backlight(&wuxga_nt->base);
+ if (ret)
+ return ret;
- drm_panel_init(&wuxga_nt->base);
- wuxga_nt->base.funcs = &wuxga_nt_panel_funcs;
- wuxga_nt->base.dev = &wuxga_nt->dsi->dev;
-
- ret = drm_panel_add(&wuxga_nt->base);
- if (ret < 0)
- goto put_backlight;
+ drm_panel_add(&wuxga_nt->base);
return 0;
-
-put_backlight:
- if (wuxga_nt->backlight)
- put_device(&wuxga_nt->backlight->dev);
-
- return ret;
}
static void wuxga_nt_panel_del(struct wuxga_nt_panel *wuxga_nt)
{
if (wuxga_nt->base.dev)
drm_panel_remove(&wuxga_nt->base);
-
- if (wuxga_nt->backlight)
- put_device(&wuxga_nt->backlight->dev);
}
static int wuxga_nt_panel_probe(struct mipi_dsi_device *dsi)
@@ -291,7 +249,7 @@
struct wuxga_nt_panel *wuxga_nt = mipi_dsi_get_drvdata(dsi);
int ret;
- ret = wuxga_nt_panel_disable(&wuxga_nt->base);
+ ret = drm_panel_disable(&wuxga_nt->base);
if (ret < 0)
dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
@@ -308,7 +266,7 @@
{
struct wuxga_nt_panel *wuxga_nt = mipi_dsi_get_drvdata(dsi);
- wuxga_nt_panel_disable(&wuxga_nt->base);
+ drm_panel_disable(&wuxga_nt->base);
}
static struct mipi_dsi_driver wuxga_nt_panel_driver = {
--
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