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lib/debugfs: Add igt_assert_crc_equal

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Because of hash collisions tests should only ever compare crc
checksums for equality. Checking for inequality can result in random
failures.

To ensure this only expose and igt_assert function and use that.
Follow-up patches will rework the code for tests which don't follow
this requirement and try to compare for CRC inequality.

v2: Rebase on top of Matt's kms_plane changes.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
This commit is contained in:
Daniel Vetter
2015-02-27 20:37:29 +01:00
parent 4fec18e5e0
commit e588f6dfa6
11 changed files with 43 additions and 23 deletions
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tests/kms_pipe_crc_basic.c
+1 -1
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@@ -182,7 +182,7 @@ test_read_crc_for_output(data_t *data, int pipe, igt_output_t *output,
/* and ensure that they'are all equal, we haven't changed the fb */
for (j = 0; j < (N_CRCS - 1); j++)
igt_assert(igt_crc_equal(&crcs[j], &crcs[j + 1]));
igt_assert_crc_equal(&crcs[j], &crcs[j + 1]);
if (flags & TEST_SEQUENCE)
for (j = 0; j < (N_CRCS - 1); j++)