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-rw-r--r--drivers/char/agp/intel-agp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index f1fe74901314..81f094244471 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -214,8 +214,8 @@ static int intel_i810_configure(void)
if (agp_bridge->driver->needs_scratch_page) {
for (i = 0; i < current_size->num_entries; i++) {
writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
- readl(intel_private.registers+I810_PTE_BASE+(i*4)); /* PCI posting. */
}
+ readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */
}
global_cache_flush();
return 0;
@@ -775,8 +775,8 @@ static int intel_i830_configure(void)
if (agp_bridge->driver->needs_scratch_page) {
for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) {
writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
- readl(intel_private.registers+I810_PTE_BASE+(i*4)); /* PCI Posting. */
}
+ readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */
}
global_cache_flush();
@@ -991,8 +991,8 @@ static int intel_i915_configure(void)
if (agp_bridge->driver->needs_scratch_page) {
for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) {
writel(agp_bridge->scratch_page, intel_private.gtt+i);
- readl(intel_private.gtt+i); /* PCI Posting. */
}
+ readl(intel_private.gtt+i-1); /* PCI Posting. */
}
global_cache_flush();
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