Already discovered in commit 5a117db77e47e3946d1aaa7ce8deafafd9d76746 Author: Eugeni Dodonov <eugeni.dodonov at intel.com> Date: Thu Jan 5 09:34:29 2012 -0200 drm/i915: there is no pipe CxSR on ironlake but we've failed to rip out the code from the ironlake specific code. Cc: Eugeni Dodonov <eugeni.dodonov at intel.com> Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch> --- drivers/gpu/drm/i915/intel_display.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 68dfc07..0161d94 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4647,16 +4647,8 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, if (is_lvds && has_reduced_clock && i915_powersave) { I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp2); intel_crtc->lowfreq_avail = true; - if (HAS_PIPE_CXSR(dev)) { - DRM_DEBUG_KMS("enabling CxSR downclocking\n"); - pipeconf |= PIPECONF_CXSR_DOWNCLOCK; - } } else { I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp); - if (HAS_PIPE_CXSR(dev)) { - DRM_DEBUG_KMS("disabling CxSR downclocking\n"); - pipeconf &= ~PIPECONF_CXSR_DOWNCLOCK; - } } } -- 1.7.10