shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-03 09:41:54 +09:00
Code Issues Packages Projects Releases Wiki Activity

gpu: ion: Don't flush allocatoins that come from the page pools

Browse Source 
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rebecca Schultz Zavin
2013-12-13 14:24:18 -08:00
committed by Greg Kroah-Hartman
parent 31b9432b4b
commit 8fae831288
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/staging/android/ion/ion_system_heap.c
View File

@@ -76,9 +76,14 @@ static struct page *alloc_buffer_page(struct ion_system_heap *heap,
if (order > 4)
gfp_flags = high_order_gfp_flags;
page = alloc_pages(gfp_flags, order);
if (!page)
return 0;
__dma_page_cpu_to_dev(page, 0, PAGE_SIZE << order,
DMA_BIDIRECTIONAL);
}
if (!page)
return 0;
if (split_pages)
split_page(page, order);
return page;
@@ -201,9 +206,6 @@ static int ion_system_heap_allocate(struct ion_heap *heap,
kfree(info);
}
dma_sync_sg_for_device(NULL, table->sgl, table->nents,
DMA_BIDIRECTIONAL);
buffer->priv_virt = table;
return 0;
err1: