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skl_compute_wrpll: Count how many even/odd dividers we compute

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2015-05-07 18:17:08 +01:00
parent 8d1739dd84
commit b3ef2986ca
1 changed files with 14 additions and 1 deletions
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15
tools/skl_compute_wrpll.c
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@ -836,10 +836,12 @@ struct test_ops {
static void test_run(struct test_ops *test) static void test_run(struct test_ops *test)
{ {
unsigned int m; unsigned int m;
unsigned p_odd_even[2] = { 0, 0 };
for (m = 0; m < ARRAY_SIZE(modes); m++) { for (m = 0; m < ARRAY_SIZE(modes); m++) {
struct skl_wrpll_params params = {}; struct skl_wrpll_params params = {};
int clock = modes[m].clock; int clock = modes[m].clock;
unsigned int p;
if (!test->compute(clock, &params)) { if (!test->compute(clock, &params)) {
fprintf(stderr, "Couldn't compute divider for %dHz\n", fprintf(stderr, "Couldn't compute divider for %dHz\n",
@ -847,12 +849,13 @@ static void test_run(struct test_ops *test)
continue; continue;
} }
p = params.p0 * params.p1 * params.p2;
/* /*
* make sure we respect the +1%/-6% contraint around the * make sure we respect the +1%/-6% contraint around the
* central frequency * central frequency
*/ */
{ {
unsigned int p = params.p0 * params.p1 * params.p2;
uint64_t dco_freq = (uint64_t)p * clock * 5; uint64_t dco_freq = (uint64_t)p * clock * 5;
uint64_t central_freq = params.central_freq_hz; uint64_t central_freq = params.central_freq_hz;
uint64_t deviation; uint64_t deviation;
@ -871,7 +874,17 @@ static void test_run(struct test_ops *test)
"deviation=%"PRIu64"\n", clock, "deviation=%"PRIu64"\n", clock,
deviation); 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) int main(int argc, char **argv)