diff options
Diffstat (limited to 'lib/igt_debugfs.c')
| -rw-r--r-- | lib/igt_debugfs.c | 53 |
1 files changed, 50 insertions, 3 deletions
diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c index 2702686a..ef05dc77 100644 --- a/lib/igt_debugfs.c +++ b/lib/igt_debugfs.c @@ -281,6 +281,26 @@ bool igt_debugfs_search(int device, const char *filename, const char *substring) * Pipe CRC */ +static bool igt_find_crc_mismatch(const igt_crc_t *a, const igt_crc_t *b, + int *index) +{ + int i; + + if (a->n_words != b->n_words) + return true; + + for (i = 0; i < a->n_words; i++) { + if (a->crc[i] != b->crc[i]) { + if (index) + *index = i; + + return true; + } + } + + return false; +} + /** * igt_assert_crc_equal: * @a: first pipe CRC value @@ -294,10 +314,37 @@ bool igt_debugfs_search(int device, const char *filename, const char *substring) */ void igt_assert_crc_equal(const igt_crc_t *a, const igt_crc_t *b) { - int i; + int index; + bool mismatch; + + mismatch = igt_find_crc_mismatch(a, b, &index); + if (mismatch) + igt_debug("CRC mismatch at index %d: 0x%x != 0x%x\n", index, + a->crc[index], b->crc[index]); + + igt_assert(!mismatch); +} + +/** + * igt_check_crc_equal: + * @a: first pipe CRC value + * @b: second pipe CRC value + * + * Compares two CRC values and return whether they match. + * + * Returns: A boolean indicating whether the CRC values match + */ +bool igt_check_crc_equal(const igt_crc_t *a, const igt_crc_t *b) +{ + int index; + bool mismatch; + + mismatch = igt_find_crc_mismatch(a, b, &index); + if (mismatch) + igt_debug("CRC mismatch at index %d: 0x%x != 0x%x\n", index, + a->crc[index], b->crc[index]); - for (i = 0; i < a->n_words; i++) - igt_assert_eq_u32(a->crc[i], b->crc[i]); + return !mismatch; } /** |