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yaml
---
r: 358066
b: refs/heads/master
c: 960e3e4
h: refs/heads/master
v: v3
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Daniel Vetter committed Jan 31, 2013
1 parent 068d21a commit 1397101
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Showing 2 changed files with 15 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: def886c3768d24c4e0aa56ff98b5a468c2b5c9bf
refs/heads/master: 960e3e429f0c7d9e27e60cf8fa2f51ada71e717e
24 changes: 14 additions & 10 deletions trunk/drivers/gpu/drm/i915/i915_gem_gtt.c
Original file line number Diff line number Diff line change
Expand Up @@ -44,9 +44,9 @@ typedef uint32_t gtt_pte_t;
#define GEN6_PTE_CACHE_LLC_MLC (3 << 1)
#define GEN6_PTE_ADDR_ENCODE(addr) GEN6_GTT_ADDR_ENCODE(addr)

static inline gtt_pte_t pte_encode(struct drm_device *dev,
dma_addr_t addr,
enum i915_cache_level level)
static inline gtt_pte_t gen6_pte_encode(struct drm_device *dev,
dma_addr_t addr,
enum i915_cache_level level)
{
gtt_pte_t pte = GEN6_PTE_VALID;
pte |= GEN6_PTE_ADDR_ENCODE(addr);
Expand Down Expand Up @@ -87,8 +87,9 @@ static void gen6_ppgtt_clear_range(struct i915_hw_ppgtt *ppgtt,
unsigned first_pte = first_entry % I915_PPGTT_PT_ENTRIES;
unsigned last_pte, i;

scratch_pte = pte_encode(ppgtt->dev, ppgtt->scratch_page_dma_addr,
I915_CACHE_LLC);
scratch_pte = gen6_pte_encode(ppgtt->dev,
ppgtt->scratch_page_dma_addr,
I915_CACHE_LLC);

while (num_entries) {
last_pte = first_pte + num_entries;
Expand Down Expand Up @@ -131,8 +132,8 @@ static void gen6_ppgtt_insert_entries(struct i915_hw_ppgtt *ppgtt,

for (j = first_pte; j < I915_PPGTT_PT_ENTRIES; j++) {
page_addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
pt_vaddr[j] = pte_encode(ppgtt->dev, page_addr,
cache_level);
pt_vaddr[j] = gen6_pte_encode(ppgtt->dev, page_addr,
cache_level);

/* grab the next page */
if (++m == segment_len) {
Expand Down Expand Up @@ -421,7 +422,8 @@ static void gen6_ggtt_insert_entries(struct drm_device *dev,
len = sg_dma_len(sg) >> PAGE_SHIFT;
for (m = 0; m < len; m++) {
addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
iowrite32(pte_encode(dev, addr, level), &gtt_entries[i]);
iowrite32(gen6_pte_encode(dev, addr, level),
&gtt_entries[i]);
i++;
}
}
Expand All @@ -433,7 +435,8 @@ static void gen6_ggtt_insert_entries(struct drm_device *dev,
* hardware should work, we must keep this posting read for paranoia.
*/
if (i != 0)
WARN_ON(readl(&gtt_entries[i-1]) != pte_encode(dev, addr, level));
WARN_ON(readl(&gtt_entries[i-1])
!= gen6_pte_encode(dev, addr, level));

/* This next bit makes the above posting read even more important. We
* want to flush the TLBs only after we're certain all the PTE updates
Expand All @@ -458,7 +461,8 @@ static void gen6_ggtt_clear_range(struct drm_device *dev,
first_entry, num_entries, max_entries))
num_entries = max_entries;

scratch_pte = pte_encode(dev, dev_priv->gtt.scratch_page_dma, I915_CACHE_LLC);
scratch_pte = gen6_pte_encode(dev, dev_priv->gtt.scratch_page_dma,
I915_CACHE_LLC);
for (i = 0; i < num_entries; i++)
iowrite32(scratch_pte, &gtt_base[i]);
readl(gtt_base);
Expand Down

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