kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/gpu/arm/bifrost/ipa/backend/mali_kbase_ipa_counter_common_jm.c
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@@ -1,7 +1,7 @@
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 // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
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 /*
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  *
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- * (C) COPYRIGHT 2017-2021 ARM Limited. All rights reserved.
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+ * (C) COPYRIGHT 2017-2022 ARM Limited. All rights reserved.
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  *
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  * This program is free software and is provided to you under the terms of the
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  * GNU General Public License version 2 as published by the Free Software
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@@ -31,7 +31,7 @@
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 #define DEFAULT_MIN_SAMPLE_CYCLES 10000
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 /**
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- * read_hwcnt() - read a counter value
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+ * kbase_ipa_read_hwcnt() - read a counter value
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  * @model_data:		pointer to model data
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  * @offset:		offset, in bytes, into vinstr buffer
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  *
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@@ -44,8 +44,9 @@
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 	u32 offset)
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 {
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 	u8 *p = (u8 *)model_data->dump_buf.dump_buf;
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+	u64 val = *(u64 *)&p[offset];
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-	return *(u32 *)&p[offset];
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+	return (val > U32_MAX) ? U32_MAX : (u32)val;
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 }
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 static inline s64 kbase_ipa_add_saturate(s64 a, s64 b)