[Intel-gfx] [PATCH i-g-t 4/5] skl_compute_wrpll: Count how many even/odd dividers we compute

[Damien Lespiau]

Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
---
 tools/skl_compute_wrpll.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/tools/skl_compute_wrpll.c b/tools/skl_compute_wrpll.c
index 4f7ea9a..a3a6e58 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, &params)) {
                        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)
-- 
2.1.0

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