commit 67167240063c9eff15d60754c8d786a7a237ffa2
author Ben Widawsky <ben@bwidawsk.net> Thu Jun 27 16:30:18 2013 -0700
committer Daniel Vetter <daniel.vetter@ffwll.ch> Mon Jul 01 11:27:58 2013 +0200
tree 29c5abd4f0414bbf53264d7cfd776cf47992cdca
parent 84f135605898708ab692fc84555c31fbfe2983c1

drm/i915: Combine scratch members into a struct

There isn't any special reason to do this other than it makes it obvious
that the two members are connected.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_drv.h

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index af8eadf..40bb23b 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -465,8 +465,10 @@
 	void __iomem *gsm;
 
 	bool do_idle_maps;
-	dma_addr_t scratch_page_dma;
-	struct page *scratch_page;
+	struct {
+		dma_addr_t addr;
+		struct page *page;
+	} scratch;
 
 	/* global gtt ops */
 	int (*gtt_probe)(struct drm_device *dev, size_t *gtt_total,

drivers/gpu/drm/i915/i915_gem_gtt.c

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 46b9e32..cdd7b45 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -195,7 +195,7 @@
 	unsigned last_pte, i;
 
 	scratch_pte = ppgtt->pte_encode(ppgtt->dev,
-					dev_priv->gtt.scratch_page_dma,
+					dev_priv->gtt.scratch.addr,
 					I915_CACHE_LLC);
 
 	while (num_entries) {
@@ -521,8 +521,7 @@
 		 first_entry, num_entries, max_entries))
 		num_entries = max_entries;
 
-	scratch_pte = dev_priv->gtt.pte_encode(dev,
-					       dev_priv->gtt.scratch_page_dma,
+	scratch_pte = dev_priv->gtt.pte_encode(dev, dev_priv->gtt.scratch.addr,
 					       I915_CACHE_LLC);
 	for (i = 0; i < num_entries; i++)
 		iowrite32(scratch_pte, &gtt_base[i]);
@@ -727,8 +726,8 @@
 #else
 	dma_addr = page_to_phys(page);
 #endif
-	dev_priv->gtt.scratch_page = page;
-	dev_priv->gtt.scratch_page_dma = dma_addr;
+	dev_priv->gtt.scratch.page = page;
+	dev_priv->gtt.scratch.addr = dma_addr;
 
 	return 0;
 }
@@ -736,11 +735,11 @@
 static void teardown_scratch_page(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	set_pages_wb(dev_priv->gtt.scratch_page, 1);
-	pci_unmap_page(dev->pdev, dev_priv->gtt.scratch_page_dma,
+	set_pages_wb(dev_priv->gtt.scratch.page, 1);
+	pci_unmap_page(dev->pdev, dev_priv->gtt.scratch.addr,
 		       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-	put_page(dev_priv->gtt.scratch_page);
-	__free_page(dev_priv->gtt.scratch_page);
+	put_page(dev_priv->gtt.scratch.page);
+	__free_page(dev_priv->gtt.scratch.page);
 }
 
 static inline unsigned int gen6_get_total_gtt_size(u16 snb_gmch_ctl)