enable lvds 1280x800

hc

2023-11-20 0d8657dd3056063fb115946b10157477b5c70451

 kernel/drivers/tty/sysrq.c
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@@ -208,7 +208,7 @@
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 #endif
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 #ifdef CONFIG_SMP
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-static DEFINE_SPINLOCK(show_lock);
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+static DEFINE_RAW_SPINLOCK(show_lock);
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 static void showacpu(void *dummy)
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 {
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@@ -218,10 +218,10 @@
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 	if (idle_cpu(smp_processor_id()))
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 		return;
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-	spin_lock_irqsave(&show_lock, flags);
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+	raw_spin_lock_irqsave(&show_lock, flags);
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 	pr_info("CPU%d:\n", smp_processor_id());
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 	show_stack(NULL, NULL);
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-	spin_unlock_irqrestore(&show_lock, flags);
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+	raw_spin_unlock_irqrestore(&show_lock, flags);
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 }
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 static void sysrq_showregs_othercpus(struct work_struct *dummy)