During the startup, we try to determine if the system supports rc6 prior
to testing. However, the startup check asserts the residency debugfs
exists, instead of testing for a requirement.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
tests/pm_rc6_residency.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/tests/pm_rc6_residency.c b/tests/pm_rc6_residency.c
index 01eeaa307..cd36f7378 100644
--- a/tests/pm_rc6_residency.c
+++ b/tests/pm_rc6_residency.c
@@ -60,6 +60,15 @@ static unsigned long get_rc6_enabled_mask(void)
return enabled;
}
+static bool has_rc6_residency(const char *name)
+{
+ unsigned long residency;
+ char path[128];
+
+ sprintf(path, "power/%s_residency_ms", name);
+ return igt_sysfs_scanf(sysfs, path, "%lu", &residency) == 1;
+}
+
static unsigned long read_rc6_residency(const char *name)
{
unsigned long residency;
@@ -170,6 +179,9 @@ static bool wait_for_rc6(void)
struct timespec tv = {};
unsigned long start, now;
+ if (!has_rc6_residency("rc6"))
+ return false;
+
/* First wait for roughly an RC6 Evaluation Interval */
usleep(160 * 1000);
--
2.16.1
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