The RPS bins are in units of 33MHz, so if we want 50MHz increments, we
need 2/3, not 1/3!
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_llc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_llc.c
b/drivers/gpu/drm/i915/gt/intel_llc.c
index e3f637b3650e..474d82a52859 100644
--- a/drivers/gpu/drm/i915/gt/intel_llc.c
+++ b/drivers/gpu/drm/i915/gt/intel_llc.c
@@ -67,8 +67,10 @@ static bool get_ia_constants(struct intel_llc *llc,
consts->max_gpu_freq = rps->max_freq;
if (INTEL_GEN(i915) >= 9) {
/* Convert GT frequency to 50 HZ units */
- consts->min_gpu_freq /= GEN9_FREQ_SCALER;
- consts->max_gpu_freq /= GEN9_FREQ_SCALER;
+ consts->min_gpu_freq =
+ mult_frac(consts->min_gpu_freq, 2, GEN9_FREQ_SCALER);
+ consts->max_gpu_freq =
+ mult_frac(consts->max_gpu_freq, 2, GEN9_FREQ_SCALER);
}
return true;
--
2.20.1
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