diff options
| author | Damien Lespiau <damien.lespiau@intel.com> | 2015-05-07 18:17:08 +0100 |
|---|---|---|
| committer | Damien Lespiau <damien.lespiau@intel.com> | 2015-05-08 17:55:30 +0100 |
| commit | b3ef2986caebe89adc3fa8a967503f738c38a4da (patch) | |
| tree | 90ada6075c3256ef9295ef42168db078f4196a21 | |
| parent | 8d1739dd84070d8bad0b2940b0026f14cb50f13d (diff) | |
skl_compute_wrpll: Count how many even/odd dividers we compute
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
| -rw-r--r-- | tools/skl_compute_wrpll.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/tools/skl_compute_wrpll.c b/tools/skl_compute_wrpll.c index 4f7ea9a7..a3a6e587 100644 --- a/tools/skl_compute_wrpll.c +++ b/tools/skl_compute_wrpll.c @@ -836,10 +836,12 @@ struct test_ops { static void test_run(struct test_ops *test) { unsigned int m; + unsigned p_odd_even[2] = { 0, 0 }; for (m = 0; m < ARRAY_SIZE(modes); m++) { struct skl_wrpll_params params = {}; int clock = modes[m].clock; + unsigned int p; if (!test->compute(clock, ¶ms)) { fprintf(stderr, "Couldn't compute divider for %dHz\n", @@ -847,12 +849,13 @@ static void test_run(struct test_ops *test) continue; } + p = params.p0 * params.p1 * params.p2; + /* * make sure we respect the +1%/-6% contraint around the * central frequency */ { - unsigned int p = params.p0 * params.p1 * params.p2; uint64_t dco_freq = (uint64_t)p * clock * 5; uint64_t central_freq = params.central_freq_hz; uint64_t deviation; @@ -871,7 +874,17 @@ static void test_run(struct test_ops *test) "deviation=%"PRIu64"\n", clock, deviation); } + + /* + * count how many even/odd dividers we have through the whole + * list of tested frequencies + */ + { + p_odd_even[p % 2]++; + } } + + printf("even/odd dividers: %d/%d\n", p_odd_even[0], p_odd_even[1]); } int main(int argc, char **argv) |