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infix/patches/linux/6.18.39/0041-drm-bridge-tc358762-Set-pre_enabled-on-pre_enable-to.patch
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From 9c11ed3248e8abcb6b5cf7c86547c172257e0095 Mon Sep 17 00:00:00 2001
From: Mattias Walström <lazzer@gmail.com>
Date: Sat, 4 Apr 2026 18:04:19 +0200
Subject: [PATCH 41/50] drm/bridge: tc358762: Set pre_enabled on pre_enable to
prevent regulator imbalance
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The RPi cherry-pick moved tc358762_init() to pre_enable but dropped the pre_enabled = true assignment.
Without it, post_disable always bails out early and never disables the regulator.
Signed-off-by: Mattias Walström <lazzer@gmail.com>
---
drivers/gpu/drm/bridge/tc358762.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c
index 6164932edfec..8da66b06d6b6 100644
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -205,6 +205,8 @@ static void tc358762_pre_enable(struct drm_bridge *bridge,
ret = tc358762_init(ctx);
if (ret < 0)
dev_err(ctx->dev, "error initializing bridge (%d)\n", ret);
+
+ ctx->pre_enabled = true;
}
static int tc358762_attach(struct drm_bridge *bridge,