[PATCH 60/71] drm/i915: Remove redundant clear of appgtt

Chris Wilson chris at chris-wilson.co.uk
Mon Feb 6 23:09:07 UTC 2017


Upon creation of the va range, it is initialised to point at scratch.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 5789784aa510..6a9f20ec8d92 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2154,7 +2154,6 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
 	}
 
 	gen6_scratch_va_range(ppgtt, 0, ppgtt->base.total);
-
 	gen6_write_page_range(dev_priv, &ppgtt->pd, 0, ppgtt->base.total);
 
 	DRM_DEBUG_DRIVER("Allocated pde space (%lldM) at GTT entry: %llx\n",
@@ -2795,10 +2794,6 @@ int i915_gem_init_ggtt(struct drm_i915_private *dev_priv)
 				goto err_ppgtt;
 		}
 
-		ppgtt->base.clear_range(&ppgtt->base,
-					ppgtt->base.start,
-					ppgtt->base.total);
-
 		dev_priv->mm.aliasing_ppgtt = ppgtt;
 
 		WARN_ON(ggtt->base.bind_vma != ggtt_bind_vma);
-- 
2.11.0



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