From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 42 +++++++++++++++++++++---------------------
1 files changed, 21 insertions(+), 21 deletions(-)
diff --git a/kernel/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/kernel/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
index 06bd039..4b92c63 100644
--- a/kernel/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
+++ b/kernel/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
@@ -44,8 +44,6 @@
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/fb.h>
-#include <linux/gpio.h>
-#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/of.h>
@@ -53,9 +51,8 @@
#include <linux/of_graph.h>
#include <linux/pm.h>
-#include <drm/drm_panel.h>
-#include <drm/drmP.h>
#include <drm/drm_crtc.h>
+#include <drm/drm_device.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
@@ -212,7 +209,6 @@
.vsync_start = 480 + 7,
.vsync_end = 480 + 7 + 2,
.vtotal = 480 + 7 + 2 + 21,
- .vrefresh = 60,
},
};
@@ -233,7 +229,7 @@
ret = i2c_smbus_write_byte_data(ts->i2c, reg, val);
if (ret)
- dev_err(&ts->dsi->dev, "I2C write failed: %d\n", ret);
+ dev_err(&ts->i2c->dev, "I2C write failed: %d\n", ret);
}
static int rpi_touchscreen_write(struct rpi_touchscreen *ts, u16 reg, u32 val)
@@ -269,7 +265,7 @@
return 0;
}
-static int rpi_touchscreen_enable(struct drm_panel *panel)
+static int rpi_touchscreen_prepare(struct drm_panel *panel)
{
struct rpi_touchscreen *ts = panel_to_ts(panel);
int i;
@@ -299,6 +295,13 @@
rpi_touchscreen_write(ts, DSI_STARTDSI, 0x01);
msleep(100);
+ return 0;
+}
+
+static int rpi_touchscreen_enable(struct drm_panel *panel)
+{
+ struct rpi_touchscreen *ts = panel_to_ts(panel);
+
/* Turn on the backlight. */
rpi_touchscreen_i2c_write(ts, REG_PWM, 255);
@@ -312,10 +315,9 @@
return 0;
}
-static int rpi_touchscreen_get_modes(struct drm_panel *panel)
+static int rpi_touchscreen_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
{
- struct drm_connector *connector = panel->connector;
- struct drm_device *drm = panel->drm;
unsigned int i, num = 0;
static const u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
@@ -323,10 +325,11 @@
const struct drm_display_mode *m = &rpi_touchscreen_modes[i];
struct drm_display_mode *mode;
- mode = drm_mode_duplicate(drm, m);
+ mode = drm_mode_duplicate(connector->dev, m);
if (!mode) {
- dev_err(drm->dev, "failed to add mode %ux%u@%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));
continue;
}
@@ -353,7 +356,7 @@
static const struct drm_panel_funcs rpi_touchscreen_funcs = {
.disable = rpi_touchscreen_disable,
.unprepare = rpi_touchscreen_noop,
- .prepare = rpi_touchscreen_noop,
+ .prepare = rpi_touchscreen_prepare,
.enable = rpi_touchscreen_enable,
.get_modes = rpi_touchscreen_get_modes,
};
@@ -365,7 +368,7 @@
struct rpi_touchscreen *ts;
struct device_node *endpoint, *dsi_host_node;
struct mipi_dsi_host *host;
- int ret, ver;
+ int ver;
struct mipi_dsi_device_info info = {
.type = RPI_DSI_DRIVER_NAME,
.channel = 0,
@@ -427,16 +430,13 @@
return PTR_ERR(ts->dsi);
}
- drm_panel_init(&ts->base);
- ts->base.dev = dev;
- ts->base.funcs = &rpi_touchscreen_funcs;
+ drm_panel_init(&ts->base, dev, &rpi_touchscreen_funcs,
+ DRM_MODE_CONNECTOR_DSI);
/* This appears last, as it's what will unblock the DSI host
* driver's component bind function.
*/
- ret = drm_panel_add(&ts->base);
- if (ret)
- return ret;
+ drm_panel_add(&ts->base);
return 0;
--
Gitblit v1.6.2