SLPC does not use 'struct intel_rps'. Use UNSLICE_RATIO bits from GEN6_RPNSWREQ for SLPC. See intel_rps_get_requested_frequency.
Bspec: 52745 Signed-off-by: Ashutosh Dixit <ashutosh.di...@intel.com> --- drivers/gpu/drm/i915/i915_pmu.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index f0a1e36915b8..5ee836610801 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -394,8 +394,13 @@ frequency_sample(struct intel_gt *gt, unsigned int period_ns) * frequency. Fortunately, the read should rarely fail! */ val = intel_rps_get_cagf(rps, intel_rps_read_rpstat_fw(rps)); - if (!val) - val = rps->cur_freq; + if (!val) { + if (intel_uc_uses_guc_slpc(>->uc)) + val = intel_rps_read_punit_req(rps) >> + GEN9_SW_REQ_UNSLICE_RATIO_SHIFT; + else + val = rps->cur_freq; + } add_sample_mult(&pmu->sample[__I915_SAMPLE_FREQ_ACT], intel_gpu_freq(rps, val), period_ns / 1000); -- 2.38.0