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-orisetech-otm8009a.c | 61 ++++++++++++++++--------------
1 files changed, 32 insertions(+), 29 deletions(-)
diff --git a/kernel/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/kernel/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
index 58ccf64..b19597b 100644
--- a/kernel/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
+++ b/kernel/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
@@ -6,13 +6,17 @@
* Yannick Fertre <yannick.fertre@st.com>
*/
-#include <drm/drmP.h>
-#include <drm/drm_mipi_dsi.h>
-#include <drm/drm_panel.h>
#include <linux/backlight.h>
+#include <linux/delay.h>
#include <linux/gpio/consumer.h>
+#include <linux/module.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>
#define OTM8009A_BACKLIGHT_DEFAULT 240
#define OTM8009A_BACKLIGHT_MAX 255
@@ -67,16 +71,15 @@
};
static const struct drm_display_mode default_mode = {
- .clock = 32729,
+ .clock = 29700,
.hdisplay = 480,
- .hsync_start = 480 + 120,
- .hsync_end = 480 + 120 + 63,
- .htotal = 480 + 120 + 63 + 120,
+ .hsync_start = 480 + 98,
+ .hsync_end = 480 + 98 + 32,
+ .htotal = 480 + 98 + 32 + 98,
.vdisplay = 800,
- .vsync_start = 800 + 12,
- .vsync_end = 800 + 12 + 12,
- .vtotal = 800 + 12 + 12 + 12,
- .vrefresh = 50,
+ .vsync_start = 800 + 15,
+ .vsync_end = 800 + 15 + 10,
+ .vtotal = 800 + 15 + 10 + 14,
.flags = 0,
.width_mm = 52,
.height_mm = 86,
@@ -93,7 +96,7 @@
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
if (mipi_dsi_dcs_write_buffer(dsi, data, len) < 0)
- DRM_WARN("mipi dsi dcs write buffer failed\n");
+ dev_warn(ctx->dev, "mipi dsi dcs write buffer failed\n");
}
static void otm8009a_dcs_write_buf_hs(struct otm8009a *ctx, const void *data,
@@ -309,7 +312,7 @@
ret = regulator_enable(ctx->supply);
if (ret < 0) {
- DRM_ERROR("failed to enable supply: %d\n", ret);
+ dev_err(panel->dev, "failed to enable supply: %d\n", ret);
return ret;
}
@@ -344,25 +347,26 @@
return 0;
}
-static int otm8009a_get_modes(struct drm_panel *panel)
+static int otm8009a_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) {
- DRM_ERROR("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);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
- drm_mode_probed_add(panel->connector, mode);
+ drm_mode_probed_add(connector, mode);
- panel->connector->display_info.width_mm = mode->width_mm;
- panel->connector->display_info.height_mm = mode->height_mm;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
return 1;
}
@@ -385,7 +389,7 @@
u8 data[2];
if (!ctx->prepared) {
- DRM_DEBUG("lcd not ready yet for setting its backlight!\n");
+ dev_dbg(&bd->dev, "lcd not ready yet for setting its backlight!\n");
return -ENXIO;
}
@@ -436,7 +440,8 @@
ctx->supply = devm_regulator_get(dev, "power");
if (IS_ERR(ctx->supply)) {
ret = PTR_ERR(ctx->supply);
- dev_err(dev, "failed to request regulator: %d\n", ret);
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "failed to request regulator: %d\n", ret);
return ret;
}
@@ -447,14 +452,13 @@
dsi->lanes = 2;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
- MIPI_DSI_MODE_LPM;
+ MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS;
- drm_panel_init(&ctx->panel);
- ctx->panel.dev = dev;
- ctx->panel.funcs = &otm8009a_drm_funcs;
+ drm_panel_init(&ctx->panel, dev, &otm8009a_drm_funcs,
+ DRM_MODE_CONNECTOR_DSI);
ctx->bl_dev = devm_backlight_device_register(dev, dev_name(dev),
- dsi->host->dev, ctx,
+ dev, ctx,
&otm8009a_backlight_ops,
NULL);
if (IS_ERR(ctx->bl_dev)) {
@@ -474,7 +478,6 @@
if (ret < 0) {
dev_err(dev, "mipi_dsi_attach failed. Is host ready?\n");
drm_panel_remove(&ctx->panel);
- backlight_device_unregister(ctx->bl_dev);
return ret;
}
--
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