Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[deliverable/linux.git] / drivers / char / agp / ali-agp.c

diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 4941ddb78939abf7db58ed11c17741feb8ddc8ce..aa5ddb716ffb4e613d6018b94db5651af9137ea8 100644 (file)
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -156,29 +156,34 @@ static void *m1541_alloc_page(struct agp_bridge_data *bridge)
        return addr;
 }
 
-static void ali_destroy_page(void * addr)
+static void ali_destroy_page(void * addr, int flags)
 {
        if (addr) {
-               global_cache_flush();   /* is this really needed?  --hch */
-               agp_generic_destroy_page(addr);
-               global_flush_tlb();
+               if (flags & AGP_PAGE_DESTROY_UNMAP) {
+                       global_cache_flush();   /* is this really needed?  --hch */
+                       agp_generic_destroy_page(addr, flags);
+                       global_flush_tlb();
+               } else
+                       agp_generic_destroy_page(addr, flags);
        }
 }
 
-static void m1541_destroy_page(void * addr)
+static void m1541_destroy_page(void * addr, int flags)
 {
        u32 temp;
 
        if (addr == NULL)
                return;
 
-       global_cache_flush();
+       if (flags & AGP_PAGE_DESTROY_UNMAP) {
+               global_cache_flush();
 
-       pci_read_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL, &temp);
-       pci_write_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL,
-                       (((temp & ALI_CACHE_FLUSH_ADDR_MASK) |
-                         virt_to_gart(addr)) | ALI_CACHE_FLUSH_EN));
-       agp_generic_destroy_page(addr);
+               pci_read_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL, &temp);
+               pci_write_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL,
+                                      (((temp & ALI_CACHE_FLUSH_ADDR_MASK) |
+                                        virt_to_gart(addr)) | ALI_CACHE_FLUSH_EN));
+       }
+       agp_generic_destroy_page(addr, flags);
 }