From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/ipu-v3/ipu-pre.c | 16 +++++++---------
1 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/gpu/ipu-v3/ipu-pre.c b/kernel/drivers/gpu/ipu-v3/ipu-pre.c
index 4a28f3f..ad82c9e 100644
--- a/kernel/drivers/gpu/ipu-v3/ipu-pre.c
+++ b/kernel/drivers/gpu/ipu-v3/ipu-pre.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017 Lucas Stach, Pengutronix
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <drm/drm_fourcc.h>
@@ -265,6 +257,12 @@
writel(IPU_PRE_CTRL_SDW_UPDATE, pre->regs + IPU_PRE_CTRL_SET);
}
+bool ipu_pre_update_pending(struct ipu_pre *pre)
+{
+ return !!(readl_relaxed(pre->regs + IPU_PRE_CTRL) &
+ IPU_PRE_CTRL_SDW_UPDATE);
+}
+
u32 ipu_pre_get_baddr(struct ipu_pre *pre)
{
return (u32)pre->buffer_paddr;
--
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