[Intel-gfx] [PATCH 25/68] drm/i915: s/pd/pdpe, s/pt/pde

Ben Widawsky benjamin.widawsky at intel.com
Fri Aug 22 05:11:48 CEST 2014


The actual correct way to think about this with the new style of page
table data structures is as the actual entry that is being indexed into
the array. "pd", and "pt" aren't representative of what the operation is
doing.

The clarity here will improve the readability of future patches.

Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index ab863bb..861df21 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -506,40 +506,40 @@ static int gen8_ppgtt_alloc(struct i915_hw_ppgtt *ppgtt,
 }
 
 static int gen8_ppgtt_setup_page_directories(struct i915_hw_ppgtt *ppgtt,
-					     const int pd)
+					     const int pdpe)
 {
 	dma_addr_t pd_addr;
 	int ret;
 
 	pd_addr = pci_map_page(ppgtt->base.dev->pdev,
-			       &ppgtt->pd_pages[pd], 0,
+			       &ppgtt->pd_pages[pdpe], 0,
 			       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
 
 	ret = pci_dma_mapping_error(ppgtt->base.dev->pdev, pd_addr);
 	if (ret)
 		return ret;
 
-	ppgtt->pd_dma_addr[pd] = pd_addr;
+	ppgtt->pd_dma_addr[pdpe] = pd_addr;
 
 	return 0;
 }
 
 static int gen8_ppgtt_setup_page_tables(struct i915_hw_ppgtt *ppgtt,
-					const int pd,
-					const int pt)
+					const int pdpe,
+					const int pde)
 {
 	dma_addr_t pt_addr;
 	struct page *p;
 	int ret;
 
-	p = ppgtt->gen8_pt_pages[pd][pt];
+	p = ppgtt->gen8_pt_pages[pdpe][pde];
 	pt_addr = pci_map_page(ppgtt->base.dev->pdev,
 			       p, 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
 	ret = pci_dma_mapping_error(ppgtt->base.dev->pdev, pt_addr);
 	if (ret)
 		return ret;
 
-	ppgtt->gen8_pt_dma_addr[pd][pt] = pt_addr;
+	ppgtt->gen8_pt_dma_addr[pdpe][pde] = pt_addr;
 
 	return 0;
 }
-- 
2.0.4




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