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igt/gem_streaming_writes: Set bb start alignment to 64b for Ironlake

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-01-29 10:45:43 +00:00
parent 3992babd98
commit 348742ec0d
1 changed files with 3 additions and 1 deletions
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4
tests/gem_streaming_writes.c
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@ -240,6 +240,7 @@ static void test_batch(int fd, int mode, int reverse)
struct drm_i915_gem_relocation_entry reloc[2];
uint32_t tmp[] = { MI_BATCH_BUFFER_END };
uint64_t __src_offset, __dst_offset;
bool need_64b_start_offset = true;
uint64_t batch_size;
uint32_t *s, *d;
uint32_t *base;
@ -324,7 +325,8 @@ static void test_batch(int fd, int mode, int reverse)
int k;
execbuf.batch_start_offset = 128 * offset;
execbuf.batch_start_offset += 8 * (pass & 7);
if (!need_64b_start_offset)
execbuf.batch_start_offset += 8 * (pass & 7);
igt_assert(execbuf.batch_start_offset <= batch_size - 64);
if (reverse)
execbuf.batch_start_offset = batch_size - execbuf.batch_start_offset - 64;