diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_slpc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_slpc.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_slpc.c b/drivers/gpu/drm/i915/gt/selftest_slpc.c index 302d0540295d..e61bb0bad12c 100644 --- a/drivers/gpu/drm/i915/gt/selftest_slpc.c +++ b/drivers/gpu/drm/i915/gt/selftest_slpc.c @@ -53,7 +53,7 @@ static int slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 freq) static int slpc_set_freq(struct intel_gt *gt, u32 freq) { int err; - struct intel_guc_slpc *slpc = >->uc.guc.slpc; + struct intel_guc_slpc *slpc = >_to_guc(gt)->slpc; err = slpc_set_max_freq(slpc, freq); if (err) { @@ -95,6 +95,21 @@ static int slpc_restore_freq(struct intel_guc_slpc *slpc, u32 min, u32 max) return 0; } +static u64 slpc_measure_power(struct intel_rps *rps, int *freq) +{ + u64 x[5]; + int i; + + for (i = 0; i < 5; i++) + x[i] = __measure_power(5); + + *freq = (*freq + intel_rps_read_actual_frequency(rps)) / 2; + + /* A simple triangle filter for better result stability */ + sort(x, 5, sizeof(*x), cmp_u64, NULL); + return div_u64(x[1] + 2 * x[2] + x[3], 4); +} + static u64 measure_power_at_freq(struct intel_gt *gt, int *freq, u64 *power) { int err = 0; @@ -103,7 +118,7 @@ static u64 measure_power_at_freq(struct intel_gt *gt, int *freq, u64 *power) if (err) return err; *freq = intel_rps_read_actual_frequency(>->rps); - *power = measure_power(>->rps, freq); + *power = slpc_measure_power(>->rps, freq); return err; } @@ -182,7 +197,7 @@ static int vary_min_freq(struct intel_guc_slpc *slpc, struct intel_rps *rps, static int slpc_power(struct intel_gt *gt, struct intel_engine_cs *engine) { - struct intel_guc_slpc *slpc = >->uc.guc.slpc; + struct intel_guc_slpc *slpc = >_to_guc(gt)->slpc; struct { u64 power; int freq; @@ -262,7 +277,7 @@ static int max_granted_freq(struct intel_guc_slpc *slpc, struct intel_rps *rps, static int run_test(struct intel_gt *gt, int test_type) { - struct intel_guc_slpc *slpc = >->uc.guc.slpc; + struct intel_guc_slpc *slpc = >_to_guc(gt)->slpc; struct intel_rps *rps = >->rps; struct intel_engine_cs *engine; enum intel_engine_id id; @@ -489,7 +504,7 @@ static int live_slpc_tile_interaction(void *arg) return -ENOMEM; for_each_gt(gt, i915, i) { - threads[i].worker = kthread_create_worker(0, "igt/slpc_parallel:%d", gt->info.id); + threads[i].worker = kthread_run_worker(0, "igt/slpc_parallel:%d", gt->info.id); if (IS_ERR(threads[i].worker)) { ret = PTR_ERR(threads[i].worker); |