Signed-off-by: Ben Widawsky <ben at bwidawsk.net> --- drivers/gpu/drm/i915/intel_pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 52203fd..3166aa4 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4175,7 +4175,7 @@ void intel_init_pm(struct drm_device *dev) dev_priv->display.init_clock_gating = gen6_init_clock_gating; } else if (IS_IVYBRIDGE(dev)) { /* FIXME: detect B0+ stepping and use auto training */ - if (SNB_READ_WM0_LATENCY()) { + if (SNB_READ_WM0_LATENCY() && !HAS_PCH_NOP(dev)) { dev_priv->display.update_wm = ivybridge_update_wm; dev_priv->display.update_sprite_wm = sandybridge_update_sprite_wm; } else { -- 1.8.1.5