diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-0990-drm-panel-waveshare-Fix-up-timings-for-10.1-panel.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-0990-drm-panel-waveshare-Fix-up-timings-for-10.1-panel.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-0990-drm-panel-waveshare-Fix-up-timings-for-10.1-panel.patch b/target/linux/bcm27xx/patches-6.1/950-0990-drm-panel-waveshare-Fix-up-timings-for-10.1-panel.patch new file mode 100644 index 0000000000..0a4203fbc5 --- /dev/null +++ b/target/linux/bcm27xx/patches-6.1/950-0990-drm-panel-waveshare-Fix-up-timings-for-10.1-panel.patch @@ -0,0 +1,33 @@ +From c7cf33911d477fe55a91a9e4d84dad857b244ae3 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Fri, 28 Jul 2023 18:10:53 +0100 +Subject: [PATCH] drm/panel: waveshare: Fix up timings for 10.1" panel + +The 10.1" panel doesn't work with the timings defined. vc4 +will always have been fixing up the timing due to the limited +integer divider, so compute the fixed up mode and use it +directly. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/panel/panel-waveshare-dsi.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +--- a/drivers/gpu/drm/panel/panel-waveshare-dsi.c ++++ b/drivers/gpu/drm/panel/panel-waveshare-dsi.c +@@ -112,11 +112,11 @@ static const struct drm_display_mode ws_ + * https://www.waveshare.com/product/raspberry-pi/displays/10.1inch-dsi-lcd-c.htm + */ + static const struct drm_display_mode ws_panel_10_1_mode = { +- .clock = 76800, ++ .clock = 83333, + .hdisplay = 1280, +- .hsync_start = 1280 + 40, +- .hsync_end = 1280 + 40 + 20, +- .htotal = 1280 + 40 + 20 + 40, ++ .hsync_start = 1280 + 156, ++ .hsync_end = 1280 + 156 + 20, ++ .htotal = 1280 + 156 + 20 + 40, + .vdisplay = 800, + .vsync_start = 800 + 40, + .vsync_end = 800 + 40 + 48, |