diff options
Diffstat (limited to 'lib/igt_aux.c')
| -rw-r--r-- | lib/igt_aux.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/igt_aux.c b/lib/igt_aux.c index 01654f00..0e1eeea4 100644 --- a/lib/igt_aux.c +++ b/lib/igt_aux.c @@ -431,6 +431,20 @@ bool igt_setup_runtime_pm(void) if (pm_status_fd >= 0) return true; + /* The Audio driver can get runtime PM references, so we need to make + * sure its runtime PM is enabled, so it can release the refs and + * actually enable us to runtime suspend. */ + fd = open("/sys/module/snd_hda_intel/parameters/power_save", O_WRONLY); + if (fd >= 0) { + igt_assert(write(fd, "1\n", 2) == 2); + close(fd); + } + fd = open("/sys/bus/pci/devices/0000:00:03.0/power/control", O_WRONLY); + if (fd >= 0) { + igt_assert(write(fd, "auto\n", 5) == 5); + close(fd); + } + /* Our implementation uses autosuspend. Try to set it to 0ms so the test * suite goes faster and we have a higher probability of triggering race * conditions. */ |