add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/gpu/ipu-v3/ipu-di.c
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@@ -1,16 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>
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  * Copyright (C) 2005-2009 Freescale Semiconductor, Inc.
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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 of the GNU General Public License as published by the
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- * Free Software Foundation; either version 2 of the License, or (at your
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- * option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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- * for more details.
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  */
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 #include <linux/export.h>
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 #include <linux/module.h>
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@@ -460,8 +451,9 @@
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 		error = rate / (sig->mode.pixelclock / 1000);
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-		dev_dbg(di->ipu->dev, "  IPU clock can give %lu with divider %u, error %d.%u%%\n",
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-			rate, div, (signed)(error - 1000) / 10, error % 10);
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+		dev_dbg(di->ipu->dev, "  IPU clock can give %lu with divider %u, error %c%d.%d%%\n",
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+			rate, div, error < 1000 ? '-' : '+',
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+			abs(error - 1000) / 10, abs(error - 1000) % 10);
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 		/* Allow a 1% error */
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 		if (error < 1010 && error >= 990) {