target/linux/bcm27xx/patches-6.1/950-0332-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch

   1 From 231e27c3d0f8a9dc323391fcbca5b48ca863a727 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Fri, 26 Mar 2021 17:06:36 +0000
   4 Subject: [PATCH] drm/panel-simple: Add a timing for the Raspberry Pi
   5  7" panel
   6
   7 The Raspberry Pi 7" 800x480 panel uses a Toshiba TC358762 DSI
   8 to DPI bridge chip, so there is a requirement for the timings
   9 to be specified for the end panel. Add such a definition.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/gpu/drm/panel/panel-simple.c | 28 ++++++++++++++++++++++++++++
  14  1 file changed, 28 insertions(+)
  15
  16 --- a/drivers/gpu/drm/panel/panel-simple.c
  17 +++ b/drivers/gpu/drm/panel/panel-simple.c
  18 @@ -3190,6 +3190,31 @@ static const struct panel_desc qishenglo
  19         .connector_type = DRM_MODE_CONNECTOR_DPI,
  20  };
  21
  22 +static const struct drm_display_mode raspberrypi_7inch_mode = {
  23 +       .clock = 25979400 / 1000,
  24 +       .hdisplay = 800,
  25 +       .hsync_start = 800 + 2,
  26 +       .hsync_end = 800 + 2 + 2,
  27 +       .htotal = 800 + 2 + 2 + 46,
  28 +       .vdisplay = 480,
  29 +       .vsync_start = 480 + 7,
  30 +       .vsync_end = 480 + 7 + 2,
  31 +       .vtotal = 480 + 7 + 2 + 21,
  32 +       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
  33 +};
  34 +
  35 +static const struct panel_desc raspberrypi_7inch = {
  36 +       .modes = &raspberrypi_7inch_mode,
  37 +       .num_modes = 1,
  38 +       .bpc = 8,
  39 +       .size = {
  40 +               .width = 154,
  41 +               .height = 86,
  42 +       },
  43 +       .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
  44 +       .connector_type = DRM_MODE_CONNECTOR_DSI,
  45 +};
  46 +
  47  static const struct display_timing rocktech_rk070er9427_timing = {
  48         .pixelclock = { 26400000, 33300000, 46800000 },
  49         .hactive = { 800, 800, 800 },
  50 @@ -4221,6 +4246,9 @@ static const struct of_device_id platfor
  51                 .compatible = "qishenglong,gopher2b-lcd",
  52                 .data = &qishenglong_gopher2b_lcd,
  53         }, {
  54 +               .compatible = "raspberrypi,7inch-dsi",
  55 +               .data = &raspberrypi_7inch,
  56 +       }, {
  57                 .compatible = "rocktech,rk070er9427",
  58                 .data = &rocktech_rk070er9427,
  59         }, {