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ANDROID: dma-buf: system_heap: dynamic get ddr map info for reorder page

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Change-Id: I5be4acca08ecdf0db8cbaa762339aa2fb0cc6e4b
Signed-off-by: Simon Xue <xxm@rock-chips.com>
This commit is contained in:
Simon Xue
2021-12-29 21:21:38 +08:00
committed by Tao Huang
parent b9c1178cad
commit a22edac69e
1 changed files with 15 additions and 3 deletions
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18
drivers/dma-buf/heaps/system_heap.c
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@@ -21,6 +21,7 @@
#include <linux/slab.h>
#include <linux/swiotlb.h>
#include <linux/vmalloc.h>
#include <linux/rockchip/rockchip_sip.h>
#include "page_pool.h"
#include "deferred-free-helper.h"
@@ -32,6 +33,10 @@ static struct dma_heap *sys_dma32_heap;
static struct dma_heap *sys_uncached_heap;
static struct dma_heap *sys_uncached_dma32_heap;
/* Default setting */
static u32 bank_bit_first = 12;
static u32 bank_bit_mask = 0x7;
struct system_heap_buffer {
struct dma_heap *heap;
struct list_head attachments;
@@ -601,10 +606,10 @@ static struct dma_buf *system_heap_do_allocate(struct dma_heap *heap,
list_add_tail(&page->lru, &pages);
} else {
dma_addr_t phys = page_to_phys(page);
unsigned int bit12_14 = (phys >> 12) & 0x7;
unsigned int bit_index = ((phys >> bank_bit_first) & bank_bit_mask) & 0x7;
list_add_tail(&page->lru, &lists[bit12_14]);
block_index[bit12_14]++;
list_add_tail(&page->lru, &lists[bit_index]);
block_index[bit_index]++;
}
i++;
}
@@ -761,6 +766,7 @@ static int system_heap_create(void)
{
struct dma_heap_export_info exp_info;
int i, err = 0;
struct dram_addrmap_info *ddr_map_info;
/*
* Since swiotlb has memory size limitation, this will calculate
@@ -856,6 +862,12 @@ static int system_heap_create(void)
mb(); /* make sure we only set allocate after dma_mask is set */
system_uncached_heap_ops.allocate = system_uncached_heap_allocate;
ddr_map_info = sip_smc_get_dram_map();
if (ddr_map_info) {
bank_bit_first = ddr_map_info->bank_bit_first;
bank_bit_mask = ddr_map_info->bank_bit_mask;
}
return 0;
err_dma32_pool:
for (i = 0; i < NUM_ORDERS; i++)