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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-05-06 11:41:06 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-05-06 11:42:02 +0100 |
| commit | a10ef457ca778e1a560bc7635c0d1726ed191e6d (patch) | |
| tree | 872e1aebe9dcd5423226f1fc4f0a27b0e5a9707b /tests | |
| parent | 2c3144aaee6547c70720b80b7f00c0be8bb7c214 (diff) | |
igt/gem_exec_flush: Flush before each use
After we inspect map[i], we must flush again before checking map[i] for
the xor pass.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/gem_exec_flush.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tests/gem_exec_flush.c b/tests/gem_exec_flush.c index 7e343d23..0d938fa9 100644 --- a/tests/gem_exec_flush.c +++ b/tests/gem_exec_flush.c @@ -171,11 +171,11 @@ static void run(int fd, unsigned ring, int nchild, int timeout, obj[2].relocs_ptr = (uintptr_t)&reloc1[i]; execbuf.batch_start_offset = 64*i; +overwrite: if ((flags & BEFORE) && !((flags & COHERENT) || gem_has_llc(fd))) igt_clflush_range(&map[i], sizeof(map[i])); -overwrite: execbuf.buffer_count = 2 + xor; gem_execbuf(fd, &execbuf); @@ -227,7 +227,7 @@ overwrite: if (flags & WRITE) { map[i] = 0xdeadbeef; - if (!(flags & COHERENT)) + if (!(flags & (COHERENT | BEFORE))) igt_clflush_range(&map[i], sizeof(map[i])); } } |