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openmptcprouter/6.1/target/linux/bcm27xx/patches-6.1/950-0037-drm-tc358762-Set-the-pre_enable_upstream_first-flag-.patch
Ycarus (Yannick Chabanois) 3743692973 Fix RPI5 support
2023-11-17 17:31:36 +01:00

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From 4c5c0fa5ae4aeee2ca588935960aa48e666dafda Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 16 Dec 2021 15:33:43 +0000
Subject: [PATCH] drm/tc358762: Set the pre_enable_upstream_first flag to
configure DSI host
TC358762 wants the DSI host to be prepared before it is powered up, so
set the flag to request that the upstream bridges have their
pre_enable called first.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/bridge/tc358762.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -229,6 +229,7 @@ static int tc358762_probe(struct mipi_ds
ctx->bridge.funcs = &tc358762_bridge_funcs;
ctx->bridge.type = DRM_MODE_CONNECTOR_DPI;
ctx->bridge.of_node = dev->of_node;
+ ctx->bridge.pre_enable_upstream_first = true;
drm_bridge_add(&ctx->bridge);