diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0ca8eb765e2f..99658468cd9e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3924,7 +3924,10 @@ void gen6_update_ring_freq(struct drm_device *dev) int diff = dev_priv->rps.max_delay - gpu_freq; unsigned int ia_freq = 0, ring_freq = 0; - if (IS_HASWELL(dev)) { + if (INTEL_INFO(dev)->gen >= 8) { + /* max(2 * GT, DDR). NB: GT is 50MHz units */ + ring_freq = max(min_ring_freq, gpu_freq); + } else if (IS_HASWELL(dev)) { ring_freq = mult_frac(gpu_freq, 5, 4); ring_freq = max(min_ring_freq, ring_freq); /* leave ia_freq as the default, chosen by cpufreq */ |