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authorIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
commita1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch)
tree0f1777542b385ebefd30b3586d830fd8ed6fda5b /drivers/char/agp/ati-agp.c
parent75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff)
parentd28daf923ac5e4a0d7cecebae56f3e339189366b (diff)
downloadlinux-2.6.38-lt-ux500-a1922ed661ab2c1637d0b10cde933bd9cd33d965.tar.gz
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts: arch/Kconfig kernel/trace/trace.h Merge reason: resolve the conflicts, plus adopt to the new ring-buffer APIs. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/agp/ati-agp.c')
-rw-r--r--drivers/char/agp/ati-agp.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index f1537eece07..33656e144cc 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -269,12 +269,17 @@ static int ati_insert_memory(struct agp_memory * mem,
int i, j, num_entries;
unsigned long __iomem *cur_gatt;
unsigned long addr;
+ int mask_type;
num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries;
- if (type != 0 || mem->type != 0)
+ mask_type = agp_generic_type_to_mask_type(mem->bridge, type);
+ if (mask_type != 0 || type != mem->type)
return -EINVAL;
+ if (mem->page_count == 0)
+ return 0;
+
if ((pg_start + mem->page_count) > num_entries)
return -EINVAL;
@@ -296,10 +301,11 @@ static int ati_insert_memory(struct agp_memory * mem,
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
cur_gatt = GET_GATT(addr);
- writel(agp_bridge->driver->mask_memory(agp_bridge,
- mem->memory[i], mem->type), cur_gatt+GET_GATT_OFF(addr));
- readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */
+ writel(agp_bridge->driver->mask_memory(agp_bridge,
+ mem->pages[i], mem->type),
+ cur_gatt+GET_GATT_OFF(addr));
}
+ readl(GET_GATT(agp_bridge->gart_bus_addr)); /* PCI posting */
agp_bridge->driver->tlb_flush(mem);
return 0;
}
@@ -310,17 +316,22 @@ static int ati_remove_memory(struct agp_memory * mem, off_t pg_start,
int i;
unsigned long __iomem *cur_gatt;
unsigned long addr;
+ int mask_type;
- if (type != 0 || mem->type != 0)
+ mask_type = agp_generic_type_to_mask_type(mem->bridge, type);
+ if (mask_type != 0 || type != mem->type)
return -EINVAL;
+ if (mem->page_count == 0)
+ return 0;
+
for (i = pg_start; i < (mem->page_count + pg_start); i++) {
addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr;
cur_gatt = GET_GATT(addr);
writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr));
- readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */
}
+ readl(GET_GATT(agp_bridge->gart_bus_addr)); /* PCI posting */
agp_bridge->driver->tlb_flush(mem);
return 0;
}