diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_rps.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_rps.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c index c207a4fb03bf..73bc91c6ea07 100644 --- a/drivers/gpu/drm/i915/gt/selftest_rps.c +++ b/drivers/gpu/drm/i915/gt/selftest_rps.c @@ -22,7 +22,7 @@ #include "selftests/igt_spinner.h" #include "selftests/librapl.h" -/* Try to isolate the impact of cstates from determing frequency response */ +/* Try to isolate the impact of cstates from determining frequency response */ #define CPU_LATENCY 0 /* -1 to disable pm_qos, 0 to disable cstates */ static void dummy_rps_work(struct work_struct *wrk) @@ -477,12 +477,13 @@ int live_rps_control(void *arg) limit, intel_gpu_freq(rps, limit), min, max, ktime_to_ns(min_dt), ktime_to_ns(max_dt)); - if (limit == rps->min_freq) { - pr_err("%s: GPU throttled to minimum!\n", - engine->name); + if (limit != rps->max_freq) { + u32 throttle = intel_uncore_read(gt->uncore, + intel_gt_perf_limit_reasons_reg(gt)); + + pr_warn("%s: GPU throttled with reasons 0x%08x\n", + engine->name, throttle & GT0_PERF_LIMIT_REASONS_MASK); show_pstate_limits(rps); - err = -ENODEV; - break; } if (igt_flush_test(gt->i915)) { @@ -1115,7 +1116,7 @@ static u64 measure_power(struct intel_rps *rps, int *freq) for (i = 0; i < 5; i++) x[i] = __measure_power(5); - *freq = (*freq + intel_rps_read_actual_frequency(rps)) / 2; + *freq = (*freq + read_cagf(rps)) / 2; /* A simple triangle filter for better result stability */ sort(x, 5, sizeof(*x), cmp_u64, NULL); |