agp: Add generic support for graphics dma remapping

[linux-drm-fsl-dcu.git] / drivers / char / agp / generic.c

diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index a3bcc7ef42f9368529455e317910782d85b29ab1..28f0208c66a62124ee0476f526b76e57e8aa9a7b 100644 (file)
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -437,6 +437,12 @@ int agp_bind_memory(struct agp_memory *curr, off_t pg_start)
                curr->bridge->driver->cache_flush();
                curr->is_flushed = true;
        }
+
+       if (curr->bridge->driver->agp_map_memory) {
+               ret_val = curr->bridge->driver->agp_map_memory(curr);
+               if (ret_val)
+                       return ret_val;
+       }
        ret_val = curr->bridge->driver->insert_memory(curr, pg_start, curr->type);
 
        if (ret_val != 0)
@@ -478,6 +484,9 @@ int agp_unbind_memory(struct agp_memory *curr)
        if (ret_val != 0)
                return ret_val;
 
+       if (curr->bridge->driver->agp_unmap_memory)
+               curr->bridge->driver->agp_unmap_memory(curr);
+
        curr->is_bound = false;
        curr->pg_start = 0;
        spin_lock(&curr->bridge->mapped_lock);