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f41-riscv64-p550
kernel/0149-feat-dsi-support-set-bus-format.patch

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Update to 6.6.69
2025-01-03 03:30:57 +00:00
From ad71915dd066b9b63e96ffc814029cbb01092a30 Mon Sep 17 00:00:00 2001
Add EIC7700 6.6.66
2024-12-15 18:29:23 +00:00
From: lilijun <lilijun@eswincomputing.com>
Date: Wed, 14 Aug 2024 14:54:12 +0800
Update to 6.6.68 / release-1230
2024-12-27 22:35:16 +00:00
Subject: [PATCH 149/222] feat:dsi support set bus-format
Add EIC7700 6.6.66
2024-12-15 18:29:23 +00:00
Changelogs:
1.dts define panel bus-format:
MIPI_DSI_FMT_RGB888
MIPI_DSI_FMT_RGB666
MIPI_DSI_FMT_RGB565
Signed-off-by: lilijun <lilijun@eswincomputing.com>
---
.../dts/eswin/eswin-win2030-die0-soc.dtsi | 3 +-
.../dts/eswin/eswin-win2030-die1-soc.dtsi | 2 +
drivers/gpu/drm/eswin/es_mipi_dsi.c | 30 +++++++++----
drivers/gpu/drm/eswin/es_panel.c | 42 ++++++++++++-------
4 files changed, 52 insertions(+), 25 deletions(-)
diff --git a/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi b/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi
index 2a85265960a3..13a40780a619 100644
--- a/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi
+++ b/arch/riscv/boot/dts/eswin/eswin-win2030-die0-soc.dtsi
@@ -1834,7 +1834,8 @@ mipi_dsi_out: endpoint {
dsi_panel:dsi_panel@0 {
compatible = "eswin,generic-panel";
reg = <0>;
-
+ dsi,format = <0>; //RGB888:0, RGB666:1, RGB565:3
+ dsi,lanes = <4>;
port {
panel_in: endpoint {
remote-endpoint = <&mipi_dsi_out>;
diff --git a/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi b/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi
index 92cddf1e756f..be08ead18fa8 100644
--- a/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi
+++ b/arch/riscv/boot/dts/eswin/eswin-win2030-die1-soc.dtsi
@@ -1706,6 +1706,8 @@ d1_mipi_dsi_out: endpoint {
panel@1 {
compatible = "eswin,generic-panel";
reg = <0>;
+ dsi,format = <0>; //RGB888:0, RGB666:1, RGB565:3
+ dsi,lanes = <4>;
port {
d1_panel_in: endpoint {
diff --git a/drivers/gpu/drm/eswin/es_mipi_dsi.c b/drivers/gpu/drm/eswin/es_mipi_dsi.c
index 8aa3c69378f2..9f8d4c4a25b8 100644
--- a/drivers/gpu/drm/eswin/es_mipi_dsi.c
+++ b/drivers/gpu/drm/eswin/es_mipi_dsi.c
@@ -25,6 +25,7 @@
#include <video/mipi_display.h>
#include <drm/drm_simple_kms_helper.h>
#include <drm/bridge/dw_mipi_dsi.h>
+#include <linux/media-bus-format.h>
#include "es_crtc.h"
#include "es_mipi_dsi.h"
@@ -214,11 +215,23 @@ static void es_dsi_encoder_disable(struct drm_encoder *encoder)
container_of(encoder, struct es_mipi_dsi, encoder);
struct mipi_dsi_priv *dsi_priv = &es_dsi->dsi_priv;
- DRM_INFO("enter, encoder = 0x%px\n", encoder);
+ DRM_DEBUG("enter, encoder = 0x%px\n", encoder);
clk_disable_unprepare(dsi_priv->ivideo_clk);
}
+static int
+es_dsi_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct es_crtc_state *s = to_es_crtc_state(crtc_state);
+ struct drm_display_info *info = &conn_state->connector->display_info;
+ u32 bus_format = info->bus_formats[0];
+ s->output_fmt = bus_format;
+ return 0;
+}
+
static bool es_dsi_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adj_mode)
@@ -228,9 +241,9 @@ static bool es_dsi_encoder_mode_fixup(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state =
container_of(mode, struct drm_crtc_state, mode);
- DRM_INFO("enter, bind crtc%d\n", drm_crtc_index(crtc_state->crtc));
- DRM_INFO("mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
- DRM_INFO("adj_mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(adj_mode));
+ DRM_DEBUG("enter, bind crtc%d\n", drm_crtc_index(crtc_state->crtc));
+ DRM_DEBUG("mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+ DRM_DEBUG("adj_mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(adj_mode));
es_dsi->crtc = crtc_state->crtc;
return true;
@@ -240,8 +253,8 @@ static void es_dsi_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adj_mode)
{
- DRM_INFO("mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
- DRM_INFO("adj_mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(adj_mode));
+ DRM_DEBUG("mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+ DRM_DEBUG("adj_mode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(adj_mode));
}
static void es_dsi_encoder_mode_enable(struct drm_encoder *encoder)
@@ -251,7 +264,7 @@ static void es_dsi_encoder_mode_enable(struct drm_encoder *encoder)
container_of(encoder, struct es_mipi_dsi, encoder);
struct mipi_dsi_priv *dsi_priv = &es_dsi->dsi_priv;
- DRM_INFO("enter, encoder = 0x%px\n", encoder);
+ DRM_DEBUG("enter, encoder = 0x%px\n", encoder);
ret = clk_prepare_enable(dsi_priv->ivideo_clk);
if (ret)
@@ -263,6 +276,7 @@ static const struct drm_encoder_helper_funcs es_dsi_encoder_helper_funcs = {
.mode_set = es_dsi_encoder_mode_set,
.enable = es_dsi_encoder_mode_enable,
.disable = es_dsi_encoder_disable,
+ .atomic_check = es_dsi_encoder_atomic_check,
};
static void es_mipi_dsi_phy_write(struct mipi_dsi_priv *dsi, u8 test_code,
@@ -598,7 +612,7 @@ static int es_mipi_dsi_bind(struct device *dev, struct device *master,
if (ret)
goto exit3;
- DRM_INFO("mipi dsi bind done\n");
+ DRM_DEBUG("mipi dsi bind done\n");
return 0;
diff --git a/drivers/gpu/drm/eswin/es_panel.c b/drivers/gpu/drm/eswin/es_panel.c
index 7c2bd90393e2..7342ab287c70 100644
--- a/drivers/gpu/drm/eswin/es_panel.c
+++ b/drivers/gpu/drm/eswin/es_panel.c
@@ -3,6 +3,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_modes.h>
#include <linux/backlight.h>
+#include <linux/of.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
@@ -11,6 +12,8 @@
#include <video/mipi_display.h>
#include <video/of_videomode.h>
#include <video/videomode.h>
+#include <video/of_display_timing.h>
+#include <video/of_videomode.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/slab.h>
@@ -68,6 +71,8 @@ struct es_panel {
struct gpio_desc *gpio_backlight0;
struct gpio_desc *gpio_reset;
+ enum mipi_dsi_pixel_format format;
+ unsigned int lanes;
};
static void es_panel_dcs_write(struct es_panel *ctx, const void *data,
@@ -572,14 +577,14 @@ void es_panel_4_lanes_panel_init(struct es_panel *ctx)
es_panel_dcs_write_seq_static(ctx, 0xD3, 0x44, 0x33, 0x05, 0x03, 0x4A,
0x4A, 0x33, 0x17, 0x22, 0x43,
0x6E); // set GVDDP=4.1V, GVDDN=-4.1V,
- // VGHO=12V, VGLO=-11V
+ // VGHO=12V, VGLO=-11V
es_panel_dcs_write_seq_static(ctx, 0xD5, 0x8B, 0x00, 0x00, 0x00, 0x01,
0x7D, 0x01, 0x7D, 0x01, 0x7D, 0x00, 0x00,
0x00, 0x00); // set VCOM
es_panel_dcs_write_seq_static(ctx, 0xD6, 0x00, 0x00, 0x08, 0x17, 0x23,
0x65, 0x77, 0x44, 0x87, 0x00, 0x00,
0x09); // P12_D[3] for sleep in
- // current reduce setting
+ // current reduce setting
es_panel_dcs_write_seq_static(ctx, 0xEC, 0x76, 0x1E, 0x32, 0x00, 0x46,
0x00, 0x00);
es_panel_dcs_write_seq_static(
@@ -783,8 +788,7 @@ static int es_panel_get_modes(struct drm_panel *panel,
return -ENOMEM;
}
}
- dev_info(
- pr_dev,
+ dev_dbg(pr_dev,
"get modes user_mode_inited:%d, clock:%d, hdisplay:%u, hsyncStart:%u, hsyncEnd:%u, htotal:%u\n"
"vdisplay:%u vsyncStart:%u vsyncEnd:%u vtotal:%u width_mm:%d, height_mm:%d flags:0x%08x \n",
ctx->user_mode_inited, mode->clock, mode->hdisplay,
@@ -798,6 +802,16 @@ static int es_panel_get_modes(struct drm_panel *panel,
connector->display_info.width_mm = ctx->user_mode.width_mm;
connector->display_info.height_mm = ctx->user_mode.height_mm;
+
+ if (ctx->format == MIPI_DSI_FMT_RGB888) {
+ bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ } else if (ctx->format == MIPI_DSI_FMT_RGB666) {
+ bus_format = MEDIA_BUS_FMT_RGB666_1X18;
+ } else if (ctx->format == MIPI_DSI_FMT_RGB565) {
+ bus_format = MEDIA_BUS_FMT_RGB565_1X16;
+ } else {
+ dev_err(pr_dev, "format:%d not support\n", ctx->format);
+ }
drm_display_info_set_bus_formats(&connector->display_info, &bus_format,
1);
connector->display_info.bus_flags = DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE;
@@ -819,10 +833,10 @@ int es_panel_probe(struct mipi_dsi_device *dsi)
struct es_panel *ctx;
int ret;
struct device_node *dsi_node, *remote_node = NULL, *endpoint = NULL;
+ int val;
// for print
pr_dev = dev;
-
dev_info(pr_dev, "[%s] Enter\n", __func__);
dsi_node = of_get_parent(dev->of_node);
@@ -840,12 +854,6 @@ int es_panel_probe(struct mipi_dsi_device *dsi)
}
}
- /*
- if (remote_node != dev->of_node) {
- dev_info(pr_dev,"%s+ skip probe due to not current es_panel\n", __func__);
- return -ENODEV;
- }
- */
ctx = devm_kzalloc(dev, sizeof(struct es_panel), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
@@ -854,9 +862,13 @@ int es_panel_probe(struct mipi_dsi_device *dsi)
ctx->dev = dev;
// default val, if other value, set it on:IOC_ES_MIPI_TX_SET_MODE.
- dsi->lanes = LANES;
- dsi->format = MIPI_DSI_FMT_RGB888;
- // dsi->mode_flags = MIPI_DSI_MODE_VIDEO;
+ if (!of_property_read_u32(dev->of_node, "dsi,format", &val))
+ dsi->format = val;
+ if (!of_property_read_u32(dev->of_node, "dsi,lanes", &val))
+ dsi->lanes = val;
+ ctx->format = dsi->format;
+ ctx->lanes = dsi->lanes;
+
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
@@ -885,8 +897,6 @@ int es_panel_probe(struct mipi_dsi_device *dsi)
drm_panel_init(&ctx->panel, dev, &es_panel_drm_funcs,
DRM_MODE_CONNECTOR_DPI);
- // ctx->panel.dev = dev;
- // ctx->panel.funcs = &es_panel_drm_funcs;
drm_panel_add(&ctx->panel);
--
2.47.0
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