mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/gpu/ipu-v3/ipu-prg.c
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@@ -1,14 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2016-2017 Lucas Stach, Pengutronix
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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  */
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 #include <drm/drm_fourcc.h>
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@@ -347,6 +339,22 @@
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 }
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 EXPORT_SYMBOL_GPL(ipu_prg_channel_configure);
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+bool ipu_prg_channel_configure_pending(struct ipuv3_channel *ipu_chan)
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+{
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+	int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num);
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+	struct ipu_prg *prg = ipu_chan->ipu->prg_priv;
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+	struct ipu_prg_channel *chan;
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+
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+	if (prg_chan < 0)
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+		return false;
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+
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+	chan = &prg->chan[prg_chan];
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+	WARN_ON(!chan->enabled);
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+
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+	return ipu_pre_update_pending(prg->pres[chan->used_pre]);
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+}
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+EXPORT_SYMBOL_GPL(ipu_prg_channel_configure_pending);
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+
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 static int ipu_prg_probe(struct platform_device *pdev)
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 {
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 	struct device *dev = &pdev->dev;