target/linux/bcm27xx/patches-6.1/950-0990-drm-panel-waveshare-Fix-up-timings-for-10.1-panel.patch

   1 From c7cf33911d477fe55a91a9e4d84dad857b244ae3 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Fri, 28 Jul 2023 18:10:53 +0100
   4 Subject: [PATCH] drm/panel: waveshare: Fix up timings for 10.1" panel
   5
   6 The 10.1" panel doesn't work with the timings defined. vc4
   7 will always have been fixing up the timing due to the limited
   8 integer divider, so compute the fixed up mode and use it
   9 directly.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/gpu/drm/panel/panel-waveshare-dsi.c | 8 ++++----
  14  1 file changed, 4 insertions(+), 4 deletions(-)
  15
  16 --- a/drivers/gpu/drm/panel/panel-waveshare-dsi.c
  17 +++ b/drivers/gpu/drm/panel/panel-waveshare-dsi.c
  18 @@ -112,11 +112,11 @@ static const struct drm_display_mode ws_
  19   * https://www.waveshare.com/product/raspberry-pi/displays/10.1inch-dsi-lcd-c.htm
  20   */
  21  static const struct drm_display_mode ws_panel_10_1_mode = {
  22 -       .clock = 76800,
  23 +       .clock = 83333,
  24         .hdisplay = 1280,
  25 -       .hsync_start = 1280 + 40,
  26 -       .hsync_end = 1280 + 40 + 20,
  27 -       .htotal = 1280 + 40 + 20 + 40,
  28 +       .hsync_start = 1280 + 156,
  29 +       .hsync_end = 1280 + 156 + 20,
  30 +       .htotal = 1280 + 156 + 20 + 40,
  31         .vdisplay = 800,
  32         .vsync_start = 800 + 40,
  33         .vsync_end = 800 + 40 + 48,