Merge from bsd-4-0-0-branch.

1 files changed, 6 insertions, 45 deletions

diff --git a/bsd-core/ati_pcigart.c b/bsd-core/ati_pcigart.c
index 28723f56..ba0b81a7 100644
--- a/bsd-core/ati_pcigart.c
+++ b/bsd-core/ati_pcigart.c
@@ -42,25 +42,6 @@
 # define ATI_MAX_PCIGART_PAGES		8192	/* 32 MB aperture, 4K pages */
 # define ATI_PCIGART_PAGE_SIZE		4096	/* PCI GART page size */
 
-static unsigned long DRM(ati_alloc_pcigart_table)( void )
-{
-	unsigned long address;
-
-	DRM_DEBUG( "\n" );
-
-	address = (unsigned long) malloc( (1 << ATI_PCIGART_TABLE_ORDER) * PAGE_SIZE, DRM(M_DRM), M_WAITOK );
-
-	DRM_DEBUG( "returning 0x%08lx\n", address );
-	return address;
-}
-
-static void DRM(ati_free_pcigart_table)( unsigned long address )
-{
-	DRM_DEBUG( "\n" );
-
-	free( (void *)address, DRM(M_DRM));
-}
-
 int DRM(ati_pcigart_init)( drm_device_t *dev,
 			   unsigned long *addr,
 			   dma_addr_t *bus_addr)
@@ -76,23 +57,15 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		goto done;
 	}
 
-	address = DRM(ati_alloc_pcigart_table)();
+	address = (long)contigmalloc((1 << ATI_PCIGART_TABLE_ORDER) * PAGE_SIZE, 
+	    DRM(M_DRM), M_WAITOK, 0ul, 0xfffffffful, PAGE_SIZE, 0);
 	if ( !address ) {
 		DRM_ERROR( "cannot allocate PCI GART page!\n" );
 		goto done;
 	}
 
-	/* FIXME non-vtophys==bustophys-arches */
+	/* XXX: we need to busdma this */
 	bus_address = vtophys( address );
-	/*pci_map_single(dev->pdev, (void *)address,
-				  ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
-				  PCI_DMA_TODEVICE);*/
-/*	if (bus_address == 0) {
-		DRM_ERROR( "unable to map PCIGART pages!\n" );
-		DRM(ati_free_pcigart_table)( (unsigned long)address );
-		address = 0;
-		goto done;
-	}*/
 
 	pci_gart = (u32 *)address;
 
@@ -102,16 +75,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 	bzero( pci_gart, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
 
 	for ( i = 0 ; i < pages ; i++ ) {
-		/* we need to support large memory configurations */
-		/* FIXME non-vtophys==vtobus-arches */
 		entry->busaddr[i] = vtophys( entry->handle + (i*PAGE_SIZE) );
-/*		if (entry->busaddr[i] == 0) {
-			DRM_ERROR( "unable to map PCIGART pages!\n" );
-			DRM(ati_pcigart_cleanup)( dev, (unsigned long)address, bus_address );
-			address = 0;
-			bus_address = 0;
-			goto done;
-		}*/
 		page_base = (u32) entry->busaddr[i];
 
 		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
@@ -122,8 +86,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 
 	ret = 1;
 
-	DRM_READMEMORYBARRIER();
-
 done:
 	*addr = address;
 	*bus_addr = bus_address;
@@ -142,9 +104,8 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 		return 0;
 	}
 
-	if ( addr ) {
-		DRM(ati_free_pcigart_table)( addr );
-	}
-
+#if __FreeBSD_version > 500000
+	contigfree( (void *)addr, (1 << ATI_PCIGART_TABLE_ORDER) * PAGE_SIZE, DRM(M_DRM));	/* Not available on 4.x */
+#endif
 	return 1;
 }