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rockchip/sunxi: kernel: adjust default coherent_pool to 2MiB

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Signed-off-by: CN_SZTL <cnsztl@project-openwrt.eu.org>
This commit is contained in:
CN_SZTL 2021-01-02 13:29:03 +08:00
parent 474a479c37
commit bcbf8f84e3
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GPG Key ID: 6850B6345C862176
2 changed files with 40 additions and 0 deletions
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20
target/linux/rockchip/patches-5.4/911-kernel-dma-adjust-default-coherent_pool-to-2MiB.patch Normal file
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@ -0,0 +1,20 @@
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_addr, size_t size)
#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)

20
target/linux/sunxi/patches-5.4/911-kernel-dma-adjust-default-coherent_pool-to-2MiB.patch Normal file
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@ -0,0 +1,20 @@
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_addr, size_t size)
#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)