lede/target/linux/rockchip/patches-5.4/911-kernel-dma-adjust-default-coherent_pool-to-2MiB.patch

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Diff

From 16bdf3e76fec6ddb44f1fcf221139fb39d225031 Mon Sep 17 00:00:00 2001
From: Igor Pecovnik <igor.pecovnik@gmail.com>
Date: Sat, 2 Jan 2021 05:23:55 +0000
Subject: [PATCH] kernel: dma: adjust default coherent_pool to 2MiB
---
kernel/dma/remap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/dma/remap.c
+++ b/kernel/dma/remap.c
@@ -101,7 +101,7 @@ void dma_common_free_remap(void *cpu_add
#ifdef CONFIG_DMA_DIRECT_REMAP
static struct gen_pool *atomic_pool __ro_after_init;
-#define DEFAULT_DMA_COHERENT_POOL_SIZE SZ_256K
+#define DEFAULT_DMA_COHERENT_POOL_SIZE SZ_2M
static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE;
static int __init early_coherent_pool(char *p)