diff options
Diffstat (limited to 'lib/igt_psr.c')
| -rw-r--r-- | lib/igt_psr.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/igt_psr.c b/lib/igt_psr.c index 5edec6a2..5bc7e006 100644 --- a/lib/igt_psr.c +++ b/lib/igt_psr.c @@ -25,26 +25,33 @@ #include "igt_sysfs.h" #include <errno.h> -static bool psr_active(int debugfs_fd, bool check_active) +static bool psr_active_check(int debugfs_fd, enum psr_mode mode) { - bool active; char buf[PSR_STATUS_MAX_LEN]; + const char *state = mode == PSR_MODE_1 ? "SRDENT" : "DEEP_SLEEP"; igt_debugfs_simple_read(debugfs_fd, "i915_edp_psr_status", buf, sizeof(buf)); - active = strstr(buf, "SRDENT") || strstr(buf, "DEEP_SLEEP"); - return check_active ? active : !active; + return strstr(buf, state); } -bool psr_wait_entry(int debugfs_fd) +static inline const char *psr_active_state_get(enum psr_mode mode) { - return igt_wait(psr_active(debugfs_fd, true), 500, 20); + return mode == PSR_MODE_1 ? "SRDENT" : "DEEP_SLEEP"; } -bool psr_wait_update(int debugfs_fd) +/* + * For PSR1, we wait until PSR is active. We wait until DEEP_SLEEP for PSR2. + */ +bool psr_wait_entry(int debugfs_fd, enum psr_mode mode) +{ + return igt_wait(psr_active_check(debugfs_fd, mode), 500, 20); +} + +bool psr_wait_update(int debugfs_fd, enum psr_mode mode) { - return igt_wait(psr_active(debugfs_fd, false), 40, 10); + return igt_wait(!psr_active_check(debugfs_fd, mode), 40, 10); } static ssize_t psr_write(int debugfs_fd, const char *buf) |