diff options
| -rw-r--r-- | tests/pm_rpm.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c index bbe36e59..e3bb6227 100644 --- a/tests/pm_rpm.c +++ b/tests/pm_rpm.c @@ -693,6 +693,21 @@ static void setup_pc8(void) has_pc8 = true; } +static bool dmc_loaded(void) +{ + char buf[15]; + int len; + + len = igt_sysfs_read(debugfs, "i915_dmc_info", buf, sizeof(buf) - 1); + if (len < 0) + return true; /* no CSR support, no DMC requirement */ + + buf[len] = '\0'; + + igt_info("DMC: %s\n", buf); + return strstr(buf, "fw loaded: yes"); +} + static bool setup_environment(void) { if (has_runtime_pm) @@ -715,6 +730,7 @@ static bool setup_environment(void) igt_info("Runtime PM support: %d\n", has_runtime_pm); igt_info("PC8 residency support: %d\n", has_pc8); igt_require(has_runtime_pm); + igt_require(dmc_loaded()); out: disable_all_screens(&ms_data); |