openwrt/target/linux/bcm27xx/patches-5.15/950-0479-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch
John Audia 590aa0ca51 kernel: bump 5.15 to 5.15.80
Manually rebase:
   pending-5.15/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch
   ath79/patches-5.15/910-unaligned_access_hacks.patch

All other patches automatically rebased

Build system: x86_64
Build-tested: bcm2711/RPi4B
Run-tested: bcm2711/RPi4B

Signed-off-by: John Audia <therealgraysky@proton.me>
2022-11-27 13:18:29 +01:00

60 lines
1.8 KiB
Diff

From 02ce5b14d69bf513f3c6cc93c005cae07db985a0 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] 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(+)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3761,6 +3761,31 @@ static const struct panel_desc qishenglo
.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 },
@@ -4841,6 +4866,9 @@ static const struct of_device_id platfor
.compatible = "qishenglong,gopher2b-lcd",
.data = &qishenglong_gopher2b_lcd,
}, {
+ .compatible = "raspberrypi,7inch-dsi",
+ .data = &raspberrypi_7inch,
+ }, {
.compatible = "rocktech,rk070er9427",
.data = &rocktech_rk070er9427,
}, {