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28 lines
1.0 KiB
Diff
28 lines
1.0 KiB
Diff
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From 6e2c0919cd112b358f3eb4e12c128f4d58afeba7 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Wed, 9 Aug 2023 21:04:40 +0100
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Subject: [PATCH 0747/1085] drm: panel: jdi-lt070me05000: Add
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prepare_upstream_first flag
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The panel driver wants to send DCS commands from the prepare
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hook, therefore the DSI host wants to be pre_enabled first.
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Set the flag to achieve this.
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https://forums.raspberrypi.com/viewtopic.php?t=354708
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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-jdi-lt070me05000.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
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+++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
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@@ -429,6 +429,7 @@ static int jdi_panel_add(struct jdi_pane
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return dev_err_probe(dev, PTR_ERR(jdi->backlight),
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"failed to register backlight %d\n", ret);
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+ jdi->base.prepare_prev_first = true;
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drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs,
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DRM_MODE_CONNECTOR_DSI);
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