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openmptcprouter/6.1/target/linux/bcm27xx/patches-6.1/0340-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch

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From 8648a8c9442b45e85b73423be1b469d10234b4e2 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Fri, 26 Mar 2021 17:06:36 +0000
Subject: [PATCH 340/726] drm/panel-simple: Add a timing for the Raspberry Pi
7" panel
The Raspberry Pi 7" 800x480 panel uses a Toshiba TC358762 DSI
to DPI bridge chip, so there is a requirement for the timings
to be specified for the end panel. Add such a definition.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/panel/panel-simple.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 8a3b685c2fcc..930c3b9aa101 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3188,6 +3188,31 @@ static const struct panel_desc qishenglong_gopher2b_lcd = {
.connector_type = DRM_MODE_CONNECTOR_DPI,
};
+static const struct drm_display_mode raspberrypi_7inch_mode = {
+ .clock = 25979400 / 1000,
+ .hdisplay = 800,
+ .hsync_start = 800 + 2,
+ .hsync_end = 800 + 2 + 2,
+ .htotal = 800 + 2 + 2 + 46,
+ .vdisplay = 480,
+ .vsync_start = 480 + 7,
+ .vsync_end = 480 + 7 + 2,
+ .vtotal = 480 + 7 + 2 + 21,
+ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc raspberrypi_7inch = {
+ .modes = &raspberrypi_7inch_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 154,
+ .height = 86,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+ .connector_type = DRM_MODE_CONNECTOR_DSI,
+};
+
static const struct display_timing rocktech_rk070er9427_timing = {
.pixelclock = { 26400000, 33300000, 46800000 },
.hactive = { 800, 800, 800 },
@@ -4218,6 +4243,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "qishenglong,gopher2b-lcd",
.data = &qishenglong_gopher2b_lcd,
+ }, {
+ .compatible = "raspberrypi,7inch-dsi",
+ .data = &raspberrypi_7inch,
}, {
.compatible = "rocktech,rk070er9427",
.data = &rocktech_rk070er9427,
--
2.33.1