diff options
Diffstat (limited to 'tests/kms_frontbuffer_tracking.c')
| -rw-r--r-- | tests/kms_frontbuffer_tracking.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c index 06b34ddb..2b85392d 100644 --- a/tests/kms_frontbuffer_tracking.c +++ b/tests/kms_frontbuffer_tracking.c @@ -755,12 +755,24 @@ static int __debugfs_write(const char *param, char *buf, int len) #define debugfs_read(p, arr) __debugfs_read(p, arr, sizeof(arr)) #define debugfs_write(p, arr) __debugfs_write(p, arr, sizeof(arr)) +static char last_fbc_buf[128]; + static bool fbc_is_enabled(int lvl) { char buf[128]; + bool print = true; debugfs_read("i915_fbc_status", buf); - igt_log(IGT_LOG_DOMAIN, lvl, "fbc_is_enabled()?\n%s", buf); + if (lvl != IGT_LOG_DEBUG) + last_fbc_buf[0] = '\0'; + else if (strcmp(last_fbc_buf, buf)) + strcpy(last_fbc_buf, buf); + else + print = false; + + if (print) + igt_log(IGT_LOG_DOMAIN, lvl, "fbc_is_enabled()?\n%s", buf); + return strstr(buf, "FBC enabled\n"); } @@ -945,6 +957,8 @@ static bool fbc_stride_not_supported(void) static bool fbc_wait_until_enabled(void) { + last_fbc_buf[0] = '\0'; + return igt_wait(fbc_is_enabled(IGT_LOG_DEBUG), 2000, 1); } |