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Diffstat (limited to '')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index af8dca28c505..d7750176091b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -65,6 +65,11 @@ static void skl_init_clock_gating(struct drm_device *dev) GEN8_GAPSUNIT_CLOCK_GATE_DISABLE | GEN8_SDEUNIT_CLOCK_GATE_DISABLE); } + + if (INTEL_REVID(dev) <= SKL_REVID_E0) + /* WaDisableLSQCROPERFforOCL:skl */ + I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | + GEN8_LQSC_RO_PERF_DIS); } static void i915_pineview_get_mem_freq(struct drm_device *dev) |