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[16/56] drm/i915: Range clearing is PPGTT agnostic

Message ID 1399694391-3935-17-git-send-email-benjamin.widawsky@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ben Widawsky May 10, 2014, 3:59 a.m. UTC 
Therefore we can do it from our general init function. Eventually, I
hope to have a lot more commonality like this. It won't arrive yet, but
this was a nice easy one.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index bfa9811..086c533 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -621,8 +621,6 @@  static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt, uint64_t size)
 	ppgtt->base.start = 0;
 	ppgtt->base.total = ppgtt->num_pd_entries * GEN8_PTES_PER_PAGE * PAGE_SIZE;
 
-	ppgtt->base.clear_range(&ppgtt->base, 0, ppgtt->base.total, true);
-
 	DRM_DEBUG_DRIVER("Allocated %d pages for page directories (%d wasted)\n",
 			 ppgtt->num_pd_pages, ppgtt->num_pd_pages - max_pdp);
 	DRM_DEBUG_DRIVER("Allocated %d pages for page tables (%lld wasted)\n",
@@ -1189,8 +1187,6 @@  static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
 
 	gen6_map_page_tables(ppgtt);
 
-	ppgtt->base.clear_range(&ppgtt->base, 0, ppgtt->base.total, true);
-
 	DRM_DEBUG_DRIVER("Allocated pde space (%ldM) at GTT entry: %lx\n",
 			 ppgtt->node.size >> 20,
 			 ppgtt->node.start / PAGE_SIZE);
@@ -1218,6 +1214,7 @@  int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
 
 	kref_init(&ppgtt->ref);
 	drm_mm_init(&ppgtt->base.mm, ppgtt->base.start, ppgtt->base.total);
+	ppgtt->base.clear_range(&ppgtt->base, 0, ppgtt->base.total, true);
 	i915_init_vm(dev_priv, &ppgtt->base);
 
 	return 0;