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agp/uninorth: Handle user memory types.

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This adds support for TTM to the uninorth AGP bridge.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Michel Dänzer 2009-06-15 16:56:15 +02:00 committed by Dave Airlie
parent 46f4b3eab7
commit 62369028c7
1 changed files with 16 additions and 2 deletions
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18
drivers/char/agp/uninorth-agp.c
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@ -146,13 +146,20 @@ static int uninorth_insert_memory(struct agp_memory *mem, off_t pg_start,
{ {
int i, j, num_entries; int i, j, num_entries;
void *temp; void *temp;
int mask_type;
temp = agp_bridge->current_size; temp = agp_bridge->current_size;
num_entries = A_SIZE_32(temp)->num_entries; num_entries = A_SIZE_32(temp)->num_entries;
if (type != 0 || mem->type != 0) if (type != mem->type)
return -EINVAL;
mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
if (mask_type != 0) {
/* We know nothing of memory types */ /* We know nothing of memory types */
return -EINVAL; return -EINVAL;
}
if ((pg_start + mem->page_count) > num_entries) if ((pg_start + mem->page_count) > num_entries)
return -EINVAL; return -EINVAL;
@ -184,13 +191,20 @@ static int u3_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
int i, num_entries; int i, num_entries;
void *temp; void *temp;
u32 *gp; u32 *gp;
int mask_type;
temp = agp_bridge->current_size; temp = agp_bridge->current_size;
num_entries = A_SIZE_32(temp)->num_entries; num_entries = A_SIZE_32(temp)->num_entries;
if (type != 0 || mem->type != 0) if (type != mem->type)
return -EINVAL;
mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
if (mask_type != 0) {
/* We know nothing of memory types */ /* We know nothing of memory types */
return -EINVAL; return -EINVAL;
}
if ((pg_start + mem->page_count) > num_entries) if ((pg_start + mem->page_count) > num_entries)
return -EINVAL; return -EINVAL;