[Intel-gfx] [PATCH v2 4/6] drm/i915: Kill sandybridge_blit_fbc_update()

[ville.syrjala at linux.intel.com]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

No longer needed since the LRIs do the work.

v2: Rebased due to hunk getting dropped from an ealier patch

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 23 -----------------------
 1 file changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index dc306e1..4b016d8 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -185,26 +185,6 @@ static bool g4x_fbc_enabled(struct drm_device *dev)
 	return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN;
 }
 
-static void sandybridge_blit_fbc_update(struct drm_device *dev)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 blt_ecoskpd;
-
-	/* Make sure blitter notifies FBC of writes */
-	gen6_gt_force_wake_get(dev_priv);
-	blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD);
-	blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY <<
-		GEN6_BLITTER_LOCK_SHIFT;
-	I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
-	blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY;
-	I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
-	blt_ecoskpd &= ~(GEN6_BLITTER_FBC_NOTIFY <<
-			 GEN6_BLITTER_LOCK_SHIFT);
-	I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
-	POSTING_READ(GEN6_BLITTER_ECOSKPD);
-	gen6_gt_force_wake_put(dev_priv);
-}
-
 static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
 {
 	struct drm_device *dev = crtc->dev;
@@ -237,7 +217,6 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
 		I915_WRITE(SNB_DPFC_CTL_SA,
 			   SNB_CPU_FENCE_ENABLE | obj->fence_reg);
 		I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y);
-		sandybridge_blit_fbc_update(dev);
 	}
 
 	DRM_DEBUG_KMS("enabled fbc on plane %c\n", plane_name(intel_crtc->plane));
@@ -293,8 +272,6 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
 		   SNB_CPU_FENCE_ENABLE | obj->fence_reg);
 	I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y);
 
-	sandybridge_blit_fbc_update(dev);
-
 	DRM_DEBUG_KMS("enabled fbc on plane %d\n", intel_crtc->plane);
 }
 
-- 
1.8.1.5