TTM-based DRM drivers need to be able to bind user memory to the AGP
aperture. This patch fixes the "[TTM] AGP Bind memory failed." errors
and the subsequent fallout seen with the nouveau driver.
Signed-off-by: Francisco Jerez <currojerez@xxxxxxxxxx>
Tested-by: Grzesiek SÃjka <pld@xxxxxx>
---
v2: "amd_remove_memory" bails out when it's given user memory, fix it too.
drivers/char/agp/amd-k7-agp.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c
index b6b1568..b1b4362 100644
--- a/drivers/char/agp/amd-k7-agp.c
+++ b/drivers/char/agp/amd-k7-agp.c
@@ -309,7 +309,8 @@ static int amd_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries;
- if (type != 0 || mem->type != 0)
+ if (type != mem->type ||
+ agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type))
return -EINVAL;
if ((pg_start + mem->page_count) > num_entries)
@@ -348,7 +349,8 @@ static int amd_remove_memory(struct agp_memory *mem, off_t pg_start, int type)
unsigned long __iomem *cur_gatt;
unsigned long addr;
- if (type != 0 || mem->type != 0)
+ if (type != mem->type ||
+ agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type))
return -EINVAL;
for (i = pg_start; i < (mem->page_count + pg_start); i++) {
--
1.6.4.4
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