diff options
Diffstat (limited to 'drivers/char/agp/ali-agp.c')
| -rw-r--r-- | drivers/char/agp/ali-agp.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c index 4941ddb7893..aa5ddb716ff 100644 --- 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); } |