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35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
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From 2f8ae458ab828876767f9217a1c0dacc82b3a1b3 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 28 Jul 2023 18:10:53 +0100
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Subject: [PATCH 0637/1085] drm/panel: waveshare: Fix up timings for 10.1"
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panel
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The 10.1" panel doesn't work with the timings defined. vc4
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will always have been fixing up the timing due to the limited
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integer divider, so compute the fixed up mode and use it
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directly.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/panel/panel-waveshare-dsi.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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--- a/drivers/gpu/drm/panel/panel-waveshare-dsi.c
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+++ b/drivers/gpu/drm/panel/panel-waveshare-dsi.c
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@@ -112,11 +112,11 @@ static const struct drm_display_mode ws_
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* https://www.waveshare.com/product/raspberry-pi/displays/10.1inch-dsi-lcd-c.htm
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*/
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static const struct drm_display_mode ws_panel_10_1_mode = {
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- .clock = 76800,
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+ .clock = 83333,
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.hdisplay = 1280,
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- .hsync_start = 1280 + 40,
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- .hsync_end = 1280 + 40 + 20,
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- .htotal = 1280 + 40 + 20 + 40,
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+ .hsync_start = 1280 + 156,
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+ .hsync_end = 1280 + 156 + 20,
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+ .htotal = 1280 + 156 + 20 + 40,
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.vdisplay = 800,
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.vsync_start = 800 + 40,
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.vsync_end = 800 + 40 + 48,
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