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tests/gem_exec_big: Re-add gem_sync

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We need this to avoid hitting the slowpath and ending up with a
presumed_offset == -1. Regression reported by PRTS, bisected to

commit eb36fc993d7ae1988c80ba5b767989059c91d0ec
Author:     Chris Wilson <chris@chris-wilson.co.uk>
AuthorDate: Mon Jun 16 10:49:16 2014 +0100
Commit:     Chris Wilson <chris@chris-wilson.co.uk>
CommitDate: Mon Jun 16 10:51:02 2014 +0100

    igt/gem_exec_big: Update to new igt_assert_eq

    Use igt_assert_eq for better test output on failures.

    Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

v2: igt_warn_on unexpected reloc offsets.

Cc: shuang.he@intel.com
Acked-by: Chris Wilson <chris@chris-wilson.co.uk> (on irc)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-06-19 10:13:12 +02:00
parent 1b1f4b16a2
commit 236d6bd2d3
1 changed files with 11 additions and 1 deletions
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12
tests/gem_exec_big.c
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@ -84,8 +84,15 @@ static void exec(int fd, uint32_t handle, uint32_t reloc_ofs)
i915_execbuffer2_set_context_id(execbuf, 0); i915_execbuffer2_set_context_id(execbuf, 0);
execbuf.rsvd2 = 0; execbuf.rsvd2 = 0;
/* Avoid hitting slowpaths in the reloc processing which might yield a
* presumed_offset of -1. Happens when the batch is still busy from the
* last round. */
gem_sync(fd, handle);
gem_execbuf(fd, &execbuf); gem_execbuf(fd, &execbuf);
igt_warn_on(gem_reloc[0].presumed_offset == -1);
gem_read(fd, handle, reloc_ofs, &tmp, 4); gem_read(fd, handle, reloc_ofs, &tmp, 4);
igt_assert_eq(tmp, gem_reloc[0].presumed_offset); igt_assert_eq(tmp, gem_reloc[0].presumed_offset);
} }
@ -106,8 +113,11 @@ igt_simple_main
handle = gem_create(fd, batch_size); handle = gem_create(fd, batch_size);
gem_write(fd, handle, 0, batch, sizeof(batch)); gem_write(fd, handle, 0, batch, sizeof(batch));
for (reloc_ofs = 4096; reloc_ofs < batch_size; reloc_ofs += 4096) for (reloc_ofs = 4096; reloc_ofs < batch_size; reloc_ofs += 4096) {
igt_debug("batch_size %u, reloc_ofs %u\n",
batch_size, reloc_ofs);
exec(fd, handle, reloc_ofs); exec(fd, handle, reloc_ofs);
}
} }
gem_close(fd, handle); gem_close(fd, handle);