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pm_rps: Expand on min and max config testing

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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.mcgee@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jeff McGee 2014-01-21 17:14:31 -06:00 committed by Daniel Vetter
parent 22533b1eb0
commit 4e3b661b48
1 changed files with 77 additions and 29 deletions
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106
tests/pm_rps.c
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@ -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();
}