From aed69b56d4c63a19594440be6679307b2781ae2c Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 25 Feb 2016 21:43:01 +0000 Subject: lib: Add read/write direction support for dmabuf synchronisation Allow read-only synchronisation on dmabuf mmaps, useful to allow concurrent read-read testing between the CPU and GPU. Signed-off-by: Chris Wilson --- tests/prime_mmap_coherency.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tests/prime_mmap_coherency.c') diff --git a/tests/prime_mmap_coherency.c b/tests/prime_mmap_coherency.c index a9a2664a..180d8a4d 100644 --- a/tests/prime_mmap_coherency.c +++ b/tests/prime_mmap_coherency.c @@ -97,7 +97,7 @@ static void test_read_flush(bool expect_stale_cache) * until we try to read them again in step #4. This behavior could be fixed * by flush CPU read right before accessing the CPU pointer */ if (!expect_stale_cache) - prime_sync_start(dma_buf_fd); + prime_sync_start(dma_buf_fd, false); for (i = 0; i < (width * height) / 4; i++) if (ptr_cpu[i] != 0x11111111) { @@ -149,7 +149,7 @@ static void test_write_flush(bool expect_stale_cache) /* This is the main point of this test: !llc hw requires a cache write * flush right here (explained in step #4). */ if (!expect_stale_cache) - prime_sync_start(dma_buf_fd); + prime_sync_start(dma_buf_fd, true); memset(ptr_cpu, 0x11, width * height); -- cgit v1.2.3