From: Jeff McGee <jeff.mc...@intel.com>
Add a function that methodically varies min and max to exercise
several valid and invalid combinations. Allow the caller to
define what is to be checked between each step.
Signed-off-by: Jeff McGee <jeff.mc...@intel.com>
---
tests/pm_rps.c | 106 +++++++++++++++++++++++++++++++++++++++++----------------
1 file changed, 77 insertions(+), 29 deletions(-)
diff --git a/tests/pm_rps.c b/tests/pm_rps.c
index f7f119c..e5cbfd1 100644
--- a/tests/pm_rps.c
+++ b/tests/pm_rps.c
@@ -134,6 +134,81 @@ static void dumpit(void)
#define dump() if (verbose) dumpit()
#define log(...) if (verbose) printf(__VA_ARGS__)
+static void min_max_config(void (*check)(void))
+{
+ int fmid = (frpn + frp0) / 2;
+
+ log("Check original min and max...\n");
+ check();
+
+ log("Set min=RPn and max=RP0...\n");
+ writeval(stuff[MIN].filp, frpn);
+ writeval(stuff[MAX].filp, frp0);
+ check();
+
+ log("Increase min to midpoint...\n");
+ writeval(stuff[MIN].filp, fmid);
+ check();
+
+ log("Increase min to RP0...\n");
+ writeval(stuff[MIN].filp, frp0);
+ check();
+
+ log("Increase min above RP0 (invalid)...\n");
+ writeval_inval(stuff[MIN].filp, frp0 + 1000);
+ check();
+
+ log("Decrease max to RPn (invalid)...\n");
+ writeval_inval(stuff[MAX].filp, frpn);
+ check();
+
+ log("Decrease min to midpoint...\n");
+ writeval(stuff[MIN].filp, fmid);
+ check();
+
+ log("Decrease min to RPn...\n");
+ writeval(stuff[MIN].filp, frpn);
+ check();
+
+ log("Decrease min below RPn (invalid)...\n");
+ writeval_inval(stuff[MIN].filp, 0);
+ check();
+
+ log("Decrease max to midpoint...\n");
+ writeval(stuff[MAX].filp, fmid);
+ check();
+
+ log("Decrease max to RPn...\n");
+ writeval(stuff[MAX].filp, frpn);
+ check();
+
+ log("Decrease max below RPn (invalid)...\n");
+ writeval_inval(stuff[MAX].filp, 0);
+ check();
+
+ log("Increase min to RP0 (invalid)...\n");
+ writeval_inval(stuff[MIN].filp, frp0);
+ check();
+
+ log("Increase max to midpoint...\n");
+ writeval(stuff[MAX].filp, fmid);
+ check();
+
+ log("Increase max to RP0...\n");
+ writeval(stuff[MAX].filp, frp0);
+ check();
+
+ log("Increase max above RP0 (invalid)...\n");
+ writeval_inval(stuff[MAX].filp, frp0 + 1000);
+ check();
+}
+
+static void idle_check(void)
+{
+ dump();
+ checkit();
+}
+
static void pm_rps_exit_handler(int sig)
{
if (origmin > fmax) {
@@ -210,35 +285,8 @@ int main(int argc, char **argv)
igt_install_exit_handler(pm_rps_exit_handler);
}
- igt_subtest("min-max-config-at-idle") {
- log("Original min = %d\nOriginal max = %d\n", origmin, origmax);
-
- dump();
-
- checkit();
- setfreq(origmin);
- dump();
- igt_assert(fcur == fmin);
- setfreq(origmax);
- dump();
- igt_assert(fcur == fmax);
- checkit();
-
- /* And some errors */
- writeval_inval(stuff[MIN].filp, frpn - 1);
- writeval_inval(stuff[MAX].filp, frp0 + 1000);
- checkit();
-
- writeval_inval(stuff[MIN].filp, fmax + 1000);
- writeval_inval(stuff[MAX].filp, fmin - 1);
- checkit();
-
- writeval_inval(stuff[MIN].filp, 0x11111110);
- writeval_inval(stuff[MAX].filp, 0);
-
- writeval(stuff[MIN].filp, origmin);
- writeval(stuff[MAX].filp, origmax);
- }
+ igt_subtest("min-max-config-at-idle")
+ min_max_config(idle_check);
igt_exit();
}
--
1.8.5.2
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