diff options
| author | Lionel Landwerlin <lionel.g.landwerlin@intel.com> | 2016-03-18 17:33:03 +0000 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2016-03-21 11:47:22 -0700 |
| commit | c7e9be2302ab3dea289edc86b8c63e22d668fe2b (patch) | |
| tree | 728220717b65a1a01146b411d5487021d5bfc5b6 | |
| parent | a511310244ed82391a45a438b0d7126a8f9c974b (diff) | |
lib: add crc comparison function without an assert
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
| -rw-r--r-- | lib/igt_debugfs.c | 17 | ||||
| -rw-r--r-- | lib/igt_debugfs.h | 1 |
2 files changed, 18 insertions, 0 deletions
diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c index c291ef3b..a32ed784 100644 --- a/lib/igt_debugfs.c +++ b/lib/igt_debugfs.c @@ -252,6 +252,23 @@ bool igt_debugfs_search(const char *filename, const char *substring) * @a: first pipe CRC value * @b: second pipe CRC value * + * Compares two CRC values. + */ +bool igt_crc_equal(igt_crc_t *a, igt_crc_t *b) +{ + int i; + + for (i = 0; i < a->n_words; i++) + if (a->crc[i] != b->crc[i]) + return false; + return true; +} + +/** + * igt_assert_crc_equal: + * @a: first pipe CRC value + * @b: second pipe CRC value + * * Compares two CRC values and fails the testcase if they don't match with * igt_fail(). Note that due to CRC collisions CRC based testcase can only * assert that CRCs match, never that they are different. Otherwise there might diff --git a/lib/igt_debugfs.h b/lib/igt_debugfs.h index dac84130..d08fc237 100644 --- a/lib/igt_debugfs.h +++ b/lib/igt_debugfs.h @@ -124,6 +124,7 @@ __attribute__((warn_unused_result)) int igt_pipe_crc_get_crcs(igt_pipe_crc_t *pipe_crc, int n_crcs, igt_crc_t **out_crcs); void igt_pipe_crc_collect_crc(igt_pipe_crc_t *pipe_crc, igt_crc_t *out_crc); +bool igt_crc_equal(igt_crc_t *a, igt_crc_t *b); /* * Drop caches |