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authorBen Widawsky <benjamin.widawsky@intel.com>2013-10-24 09:59:12 -0700
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-10-27 16:04:42 +0100
commit8c7b72f20b5d197bf70e93e87046def20eaa3f36 (patch)
treeb8f66aa02794396fe430d2fd770908c55acc0079 /drivers/gpu
parenta74b0c481589762f28f35a26b2c77126f38de652 (diff)
drm/i915: Remove WaFbcDisableDpfcClockGating on HSW
Production HSW does not need it. I confirmed this with Art. Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h3
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c10
2 files changed, 0 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e4fef047a06..47de41f1d4b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1106,9 +1106,6 @@
_HSW_PIPE_SLICE_CHICKEN_1_A, + \
_HSW_PIPE_SLICE_CHICKEN_1_B)
-#define HSW_CLKGATE_DISABLE_PART_1 0x46500
-#define HSW_DPFC_GATING_DISABLE (1<<23)
-
/*
* GPIO regs
*/
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c325a57b89b..03b5a01c2d5 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_HASWELL(dev))
- /* WaFbcDisableDpfcClockGating:hsw */
- I915_WRITE(HSW_CLKGATE_DISABLE_PART_1,
- I915_READ(HSW_CLKGATE_DISABLE_PART_1) &
- ~HSW_DPFC_GATING_DISABLE);
-
DRM_DEBUG_KMS("disabled FBC\n");
}
}
@@ -293,10 +287,6 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
/* WaFbcAsynchFlipDisableFbcQueue:hsw */
I915_WRITE(HSW_PIPE_SLICE_CHICKEN_1(intel_crtc->pipe),
HSW_BYPASS_FBC_QUEUE);
- /* WaFbcDisableDpfcClockGating:hsw */
- I915_WRITE(HSW_CLKGATE_DISABLE_PART_1,
- I915_READ(HSW_CLKGATE_DISABLE_PART_1) |
- HSW_DPFC_GATING_DISABLE);
}
I915_WRITE(SNB_DPFC_CTL_SA,