From a74b0c481589762f28f35a26b2c77126f38de652 Mon Sep 17 00:00:00 2001 From: Ben Widawsky Date: Thu, 24 Oct 2013 09:59:11 -0700 Subject: [PATCH] drm/i915: Remove WaFbcDisableDpfcClockGating on IVB Production IVB does not need it. I confirmed this with Art. Signed-off-by: Ben Widawsky Reviewed-by: Paulo Zanoni Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_pm.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 2f26d6c2fc93..c325a57b89b5 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -254,12 +254,6 @@ static void ironlake_disable_fbc(struct drm_device *dev) dpfc_ctl &= ~DPFC_CTL_EN; I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl); - if (IS_IVYBRIDGE(dev)) - /* WaFbcDisableDpfcClockGating:ivb */ - I915_WRITE(ILK_DSPCLK_GATE_D, - I915_READ(ILK_DSPCLK_GATE_D) & - ~ILK_DPFCUNIT_CLOCK_GATE_DISABLE); - if (IS_HASWELL(dev)) /* WaFbcDisableDpfcClockGating:hsw */ I915_WRITE(HSW_CLKGATE_DISABLE_PART_1, @@ -295,10 +289,6 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval) if (IS_IVYBRIDGE(dev)) { /* WaFbcAsynchFlipDisableFbcQueue:ivb */ I915_WRITE(ILK_DISPLAY_CHICKEN1, ILK_FBCQ_DIS); - /* WaFbcDisableDpfcClockGating:ivb */ - I915_WRITE(ILK_DSPCLK_GATE_D, - I915_READ(ILK_DSPCLK_GATE_D) | - ILK_DPFCUNIT_CLOCK_GATE_DISABLE); } else { /* WaFbcAsynchFlipDisableFbcQueue:hsw */ I915_WRITE(HSW_PIPE_SLICE_CHICKEN_1(intel_crtc->pipe), -- 2.20.1