diff options
| author | Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> | 2018-09-27 21:19:25 -0700 |
|---|---|---|
| committer | Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> | 2018-09-28 13:21:01 -0700 |
| commit | b91b915cf75311ddec2c41e4592ab7bf1badb272 (patch) | |
| tree | 6eec9161e739f753aeabbbfd1e5ce17ecf299e4e /lib/igt_psr.c | |
| parent | bdc8989328f57ec2e63a88c89a45440567c69eeb (diff) | |
tests/psr: Wait for PSR exit
PSR appears to not exit immediately after the test commits a page flip,
give some leeway for PSR to idle. Let's set the timeout at 40 ms with a
5 ms interval between each status read.
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Diffstat (limited to 'lib/igt_psr.c')
| -rw-r--r-- | lib/igt_psr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/igt_psr.c b/lib/igt_psr.c index c2bae95b..355fe627 100644 --- a/lib/igt_psr.c +++ b/lib/igt_psr.c @@ -25,7 +25,7 @@ #include "igt_sysfs.h" #include <errno.h> -bool psr_active(int debugfs_fd, bool check_active) +static bool psr_active(int debugfs_fd, bool check_active) { bool active; char buf[512]; @@ -42,6 +42,11 @@ bool psr_wait_entry(int debugfs_fd) return igt_wait(psr_active(debugfs_fd, true), 500, 1); } +bool psr_wait_exit(int debugfs_fd) +{ + return igt_wait(psr_active(debugfs_fd, false), 40, 10); +} + static ssize_t psr_write(int debugfs_fd, const char *buf) { return igt_sysfs_write(debugfs_fd, "i915_edp_psr_debug", buf, |