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video/rockchip: rga2: remove flush cache

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Change-Id: If00a369f8e945a2f3b73920e6f1ba3cf455b8dfd
Signed-off-by: Putin Lee <putin.li@rock-chips.com>
This commit is contained in:
Putin Lee
2018-05-16 16:05:40 +08:00
committed by Tao Huang
parent 9063d6fd10
commit cc06fabbcd
1 changed files with 0 additions and 31 deletions
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31
drivers/video/rockchip/rga2/rga2_mmu_info.c
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@@ -46,35 +46,6 @@ static void rga_dma_flush_range(void *pstart, void *pend)
#endif
}
static void rga_dma_flush_page(struct page *page)
{
phys_addr_t paddr;
void *virt;
paddr = page_to_phys(page);
#ifdef CONFIG_ARM
if (PageHighMem(page)) {
if (cache_is_vipt_nonaliasing()) {
virt = kmap_atomic(page);
dmac_flush_range(virt, virt + PAGE_SIZE);
kunmap_atomic(virt);
} else {
virt = kmap_high_get(page);
dmac_flush_range(virt, virt + PAGE_SIZE);
kunmap_high(page);
}
} else {
virt = page_address(page);
dmac_flush_range(virt, virt + PAGE_SIZE);
}
outer_flush_range(paddr, paddr + PAGE_SIZE);
#elif defined(CONFIG_ARM64)
virt = page_address(page);
__dma_flush_range(virt, virt + PAGE_SIZE);
#endif
}
#if 0
static unsigned int armv7_va_to_pa(unsigned int v_addr)
{
@@ -323,7 +294,6 @@ static int rga2_MapUserMemory(struct page **pages, uint32_t *pageTable,
for (i = 0; i < pageCount; i++) {
/* Get the physical address from page struct. */
pageTable[i] = page_to_phys(pages[i]);
rga_dma_flush_page(pages[i]);
}
for (i = 0; i < result; i++)
put_page(pages[i]);
@@ -372,7 +342,6 @@ static int rga2_MapUserMemory(struct page **pages, uint32_t *pageTable,
<< PAGE_SHIFT)) & ~PAGE_MASK));
pte_unmap_unlock(pte, ptl);
pageTable[i] = (uint32_t)Address;
rga_dma_flush_page(pfn_to_page(pfn));
}
up_read(&current->mm->mmap_sem);
return status;