agp: kill phys_to_gart() and gart_to_phys()

There seems to be no reason for these -- they're a 1:1 mapping on all
platforms.
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

arch/alpha/include/asm/agp.h

@@ -9,10 +9,6 @@
 #define unmap_page_from_agp(page) 
 #define flush_agp_cache() mb()
 
-/* Convert a physical address to an address suitable for the GART. */
-#define phys_to_gart(x) (x)
-#define gart_to_phys(x) (x)
-
 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
 #define alloc_gatt_pages(order)		\
 	((char *)__get_free_pages(GFP_KERNEL, (order)))

arch/ia64/include/asm/agp.h

@@ -17,10 +17,6 @@
 #define unmap_page_from_agp(page)	/* nothing */
 #define flush_agp_cache()		mb()
 
-/* Convert a physical address to an address suitable for the GART. */
-#define phys_to_gart(x) (x)
-#define gart_to_phys(x) (x)
-
 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
 #define alloc_gatt_pages(order)		\
 	((char *)__get_free_pages(GFP_KERNEL, (order)))

arch/parisc/include/asm/agp.h

@@ -11,10 +11,6 @@
 #define unmap_page_from_agp(page)	/* nothing */
 #define flush_agp_cache()		mb()
 
-/* Convert a physical address to an address suitable for the GART. */
-#define phys_to_gart(x) (x)
-#define gart_to_phys(x) (x)
-
 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
 #define alloc_gatt_pages(order)		\
 	((char *)__get_free_pages(GFP_KERNEL, (order)))

arch/powerpc/include/asm/agp.h

@@ -8,10 +8,6 @@
 #define unmap_page_from_agp(page)
 #define flush_agp_cache() mb()
 
-/* Convert a physical address to an address suitable for the GART. */
-#define phys_to_gart(x) (x)
-#define gart_to_phys(x) (x)
-
 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
 #define alloc_gatt_pages(order)		\
 	((char *)__get_free_pages(GFP_KERNEL, (order)))

arch/sparc/include/asm/agp.h

@@ -7,10 +7,6 @@
 #define unmap_page_from_agp(page)
 #define flush_agp_cache() mb()
 
-/* Convert a physical address to an address suitable for the GART. */
-#define phys_to_gart(x) (x)
-#define gart_to_phys(x) (x)
-
 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
 #define alloc_gatt_pages(order)		\
 	((char *)__get_free_pages(GFP_KERNEL, (order)))

arch/x86/include/asm/agp.h

@@ -22,10 +22,6 @@
  */
 #define flush_agp_cache() wbinvd()
 
-/* Convert a physical address to an address suitable for the GART. */
-#define phys_to_gart(x) (x)
-#define gart_to_phys(x) (x)
-
 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
 #define alloc_gatt_pages(order)		\
 	((char *)__get_free_pages(GFP_KERNEL, (order)))

drivers/char/agp/agp.h

@@ -318,9 +318,6 @@ void agp3_generic_cleanup(void);
 #define AGP_GENERIC_SIZES_ENTRIES 11
 extern const struct aper_size_info_16 agp3_generic_sizes[];
 
-#define virt_to_gart(x) (phys_to_gart(virt_to_phys(x)))
-#define gart_to_virt(x) (phys_to_virt(gart_to_phys(x)))
-
 extern int agp_off;
 extern int agp_try_unsupported_boot;
 

drivers/char/agp/ali-agp.c

@@ -152,7 +152,7 @@ static struct page *m1541_alloc_page(struct agp_bridge_data *bridge)
 	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) |
-			  phys_to_gart(page_to_phys(page))) | ALI_CACHE_FLUSH_EN ));
+			  page_to_phys(page)) | ALI_CACHE_FLUSH_EN ));
 	return page;
 }
 
@@ -180,7 +180,7 @@ static void m1541_destroy_page(struct page *page, int flags)
 		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) |
-					 phys_to_gart(page_to_phys(page))) | ALI_CACHE_FLUSH_EN));
+					 page_to_phys(page)) | ALI_CACHE_FLUSH_EN));
 	}
 	agp_generic_destroy_page(page, flags);
 }

drivers/char/agp/amd-k7-agp.c

@@ -44,7 +44,7 @@ static int amd_create_page_map(struct amd_page_map *page_map)
 #ifndef CONFIG_X86
 	SetPageReserved(virt_to_page(page_map->real));
 	global_cache_flush();
-	page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
+	page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real),
 					    PAGE_SIZE);
 	if (page_map->remapped == NULL) {
 		ClearPageReserved(virt_to_page(page_map->real));
@@ -160,7 +160,7 @@ static int amd_create_gatt_table(struct agp_bridge_data *bridge)
 
 	agp_bridge->gatt_table_real = (u32 *)page_dir.real;
 	agp_bridge->gatt_table = (u32 __iomem *)page_dir.remapped;
-	agp_bridge->gatt_bus_addr = virt_to_gart(page_dir.real);
+	agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real);
 
 	/* Get the address for the gart region.
 	 * This is a bus address even on the alpha, b/c its
@@ -173,7 +173,7 @@ static int amd_create_gatt_table(struct agp_bridge_data *bridge)
 
 	/* Calculate the agp offset */
 	for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
-		writel(virt_to_gart(amd_irongate_private.gatt_pages[i]->real) | 1,
+		writel(virt_to_phys(amd_irongate_private.gatt_pages[i]->real) | 1,
 			page_dir.remapped+GET_PAGE_DIR_OFF(addr));
 		readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr));	/* PCI Posting. */
 	}
@@ -325,7 +325,7 @@ static int amd_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
 		addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
 		cur_gatt = GET_GATT(addr);
 		writel(agp_generic_mask_memory(agp_bridge,
-					       phys_to_gart(page_to_phys(mem->pages[i])),
+					       page_to_phys(mem->pages[i]),
 					       mem->type),
 		       cur_gatt+GET_GATT_OFF(addr));
 		readl(cur_gatt+GET_GATT_OFF(addr));	/* PCI Posting. */

drivers/char/agp/amd64-agp.c

@@ -79,7 +79,7 @@ static int amd64_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
 
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 		tmp = agp_bridge->driver->mask_memory(agp_bridge,
-						      phys_to_gart(page_to_phys(mem->pages[i])),
+						      page_to_phys(mem->pages[i]),
 						      mask_type);
 
 		BUG_ON(tmp & 0xffffff0000000ffcULL);
@@ -178,7 +178,7 @@ static const struct aper_size_info_32 amd_8151_sizes[7] =
 
 static int amd_8151_configure(void)
 {
-	unsigned long gatt_bus = virt_to_gart(agp_bridge->gatt_table_real);
+	unsigned long gatt_bus = virt_to_phys(agp_bridge->gatt_table_real);
 	int i;
 
 	/* Configure AGP regs in each x86-64 host bridge. */
@@ -558,7 +558,7 @@ static void __devexit agp_amd64_remove(struct pci_dev *pdev)
 {
 	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
 
-	release_mem_region(virt_to_gart(bridge->gatt_table_real),
+	release_mem_region(virt_to_phys(bridge->gatt_table_real),
 			   amd64_aperture_sizes[bridge->aperture_size_idx].size);
 	agp_remove_bridge(bridge);
 	agp_put_bridge(bridge);

drivers/char/agp/ati-agp.c

@@ -302,7 +302,7 @@ static int ati_insert_memory(struct agp_memory * mem,
 		addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
 		cur_gatt = GET_GATT(addr);
 		writel(agp_bridge->driver->mask_memory(agp_bridge,	
-						       phys_to_gart(page_to_phys(mem->pages[i])),
+						       page_to_phys(mem->pages[i]),
 						       mem->type),
 		       cur_gatt+GET_GATT_OFF(addr));
 	}
@@ -360,7 +360,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 
 	agp_bridge->gatt_table_real = (u32 *)page_dir.real;
 	agp_bridge->gatt_table = (u32 __iomem *) page_dir.remapped;
-	agp_bridge->gatt_bus_addr = virt_to_gart(page_dir.real);
+	agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real);
 
 	/* Write out the size register */
 	current_size = A_SIZE_LVL2(agp_bridge->current_size);
@@ -390,7 +390,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 
 	/* Calculate the agp offset */
 	for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
-		writel(virt_to_gart(ati_generic_private.gatt_pages[i]->real) | 1,
+		writel(virt_to_phys(ati_generic_private.gatt_pages[i]->real) | 1,
 			page_dir.remapped+GET_PAGE_DIR_OFF(addr));
 		readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr));	/* PCI Posting. */
 	}

drivers/char/agp/backend.c

@@ -159,7 +159,7 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
 				goto err_out_nounmap;
 			}
 		} else {
-			bridge->scratch_page_dma = phys_to_gart(page_to_phys(page));
+			bridge->scratch_page_dma = page_to_phys(page);
 		}
 
 		bridge->scratch_page = bridge->driver->mask_memory(bridge,

drivers/char/agp/efficeon-agp.c

@@ -67,7 +67,7 @@ static const struct gatt_mask efficeon_generic_masks[] =
 /* This function does the same thing as mask_memory() for this chipset... */
 static inline unsigned long efficeon_mask_memory(struct page *page)
 {
-	unsigned long addr = phys_to_gart(page_to_phys(page));
+	unsigned long addr = page_to_phys(page);
 	return addr | 0x00000001;
 }
 
@@ -226,7 +226,7 @@ static int efficeon_create_gatt_table(struct agp_bridge_data *bridge)
 
 		efficeon_private.l1_table[index] = page;
 
-		value = virt_to_gart((unsigned long *)page) | pati | present | index;
+		value = virt_to_phys((unsigned long *)page) | pati | present | index;
 
 		pci_write_config_dword(agp_bridge->dev,
 			EFFICEON_ATTPAGE, value);

drivers/char/agp/generic.c

@@ -988,7 +988,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
 	set_memory_uc((unsigned long)table, 1 << page_order);
 	bridge->gatt_table = (void *)table;
 #else
-	bridge->gatt_table = ioremap_nocache(virt_to_gart(table),
+	bridge->gatt_table = ioremap_nocache(virt_to_phys(table),
 					(PAGE_SIZE * (1 << page_order)));
 	bridge->driver->cache_flush();
 #endif
@@ -1001,7 +1001,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
 
 		return -ENOMEM;
 	}
-	bridge->gatt_bus_addr = virt_to_gart(bridge->gatt_table_real);
+	bridge->gatt_bus_addr = virt_to_phys(bridge->gatt_table_real);
 
 	/* AK: bogus, should encode addresses > 4GB */
 	for (i = 0; i < num_entries; i++) {
@@ -1142,7 +1142,7 @@ int agp_generic_insert_memory(struct agp_memory * mem, off_t pg_start, int type)
 
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 		writel(bridge->driver->mask_memory(bridge,
-						   phys_to_gart(page_to_phys(mem->pages[i])),
+						   page_to_phys(mem->pages[i]),
 						   mask_type),
 		       bridge->gatt_table+j);
 	}

drivers/char/agp/hp-agp.c

@@ -107,7 +107,7 @@ static int __init hp_zx1_ioc_shared(void)
 	hp->gart_size = HP_ZX1_GART_SIZE;
 	hp->gatt_entries = hp->gart_size / hp->io_page_size;
 
-	hp->io_pdir = gart_to_virt(readq(hp->ioc_regs+HP_ZX1_PDIR_BASE));
+	hp->io_pdir = phys_to_virt(readq(hp->ioc_regs+HP_ZX1_PDIR_BASE));
 	hp->gatt = &hp->io_pdir[HP_ZX1_IOVA_TO_PDIR(hp->gart_base)];
 
 	if (hp->gatt[0] != HP_ZX1_SBA_IOMMU_COOKIE) {
@@ -246,7 +246,7 @@ hp_zx1_configure (void)
 	agp_bridge->mode = readl(hp->lba_regs+hp->lba_cap_offset+PCI_AGP_STATUS);
 
 	if (hp->io_pdir_owner) {
-		writel(virt_to_gart(hp->io_pdir), hp->ioc_regs+HP_ZX1_PDIR_BASE);
+		writel(virt_to_phys(hp->io_pdir), hp->ioc_regs+HP_ZX1_PDIR_BASE);
 		readl(hp->ioc_regs+HP_ZX1_PDIR_BASE);
 		writel(hp->io_tlb_ps, hp->ioc_regs+HP_ZX1_TCNFG);
 		readl(hp->ioc_regs+HP_ZX1_TCNFG);

drivers/char/agp/i460-agp.c

@@ -325,7 +325,7 @@ static int i460_insert_memory_small_io_page (struct agp_memory *mem,
 
 	io_page_size = 1UL << I460_IO_PAGE_SHIFT;
 	for (i = 0, j = io_pg_start; i < mem->page_count; i++) {
-		paddr = phys_to_gart(page_to_phys(mem->pages[i]));
+		paddr = page_to_phys(mem->pages[i]);
 		for (k = 0; k < I460_IOPAGES_PER_KPAGE; k++, j++, paddr += io_page_size)
 			WR_GATT(j, i460_mask_memory(agp_bridge, paddr, mem->type));
 	}
@@ -382,7 +382,7 @@ static int i460_alloc_large_page (struct lp_desc *lp)
 		return -ENOMEM;
 	}
 
-	lp->paddr = phys_to_gart(page_to_phys(lp->page));
+	lp->paddr = page_to_phys(lp->page);
 	lp->refcount = 0;
 	atomic_add(I460_KPAGES_PER_IOPAGE, &agp_bridge->current_memory_agp);
 	return 0;

drivers/char/agp/intel-agp.c

@@ -288,7 +288,7 @@ static void intel_agp_insert_sg_entries(struct agp_memory *mem,
 
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 		writel(agp_bridge->driver->mask_memory(agp_bridge,
-			       phys_to_gart(page_to_phys(mem->pages[i])), mask_type),
+				page_to_phys(mem->pages[i]), mask_type),
 		       intel_private.gtt+j);
 	}
 
@@ -470,8 +470,7 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start,
 			global_cache_flush();
 		for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 			writel(agp_bridge->driver->mask_memory(agp_bridge,
-							       phys_to_gart(page_to_phys(mem->pages[i])),
-							       mask_type),
+					page_to_phys(mem->pages[i]), mask_type),
 			       intel_private.registers+I810_PTE_BASE+(j*4));
 		}
 		readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
@@ -977,7 +976,7 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
 
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 		writel(agp_bridge->driver->mask_memory(agp_bridge,
-			       phys_to_gart(page_to_phys(mem->pages[i])), mask_type),
+				page_to_phys(mem->pages[i]), mask_type),
 		       intel_private.registers+I810_PTE_BASE+(j*4));
 	}
 	readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));

drivers/char/agp/nvidia-agp.c

@@ -225,7 +225,7 @@ static int nvidia_insert_memory(struct agp_memory *mem, off_t pg_start, int type
 	}
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 		writel(agp_bridge->driver->mask_memory(agp_bridge,
-			       phys_to_gart(page_to_phys(mem->pages[i])), mask_type),
+			       page_to_phys(mem->pages[i]), mask_type),
 			agp_bridge->gatt_table+nvidia_private.pg_offset+j);
 	}
 

drivers/char/agp/sgi-agp.c

@@ -190,7 +190,7 @@ static int sgi_tioca_insert_memory(struct agp_memory *mem, off_t pg_start,
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 		table[j] =
 		    bridge->driver->mask_memory(bridge,
-						phys_to_gart(page_to_phys(mem->pages[i])),
+						page_to_phys(mem->pages[i]),
 						mem->type);
 	}
 

drivers/char/agp/sworks-agp.c

@@ -155,7 +155,7 @@ static int serverworks_create_gatt_table(struct agp_bridge_data *bridge)
 	/* Create a fake scratch directory */
 	for (i = 0; i < 1024; i++) {
 		writel(agp_bridge->scratch_page, serverworks_private.scratch_dir.remapped+i);
-		writel(virt_to_gart(serverworks_private.scratch_dir.real) | 1, page_dir.remapped+i);
+		writel(virt_to_phys(serverworks_private.scratch_dir.real) | 1, page_dir.remapped+i);
 	}
 
 	retval = serverworks_create_gatt_pages(value->num_entries / 1024);
@@ -167,7 +167,7 @@ static int serverworks_create_gatt_table(struct agp_bridge_data *bridge)
 
 	agp_bridge->gatt_table_real = (u32 *)page_dir.real;
 	agp_bridge->gatt_table = (u32 __iomem *)page_dir.remapped;
-	agp_bridge->gatt_bus_addr = virt_to_gart(page_dir.real);
+	agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real);
 
 	/* Get the address for the gart region.
 	 * This is a bus address even on the alpha, b/c its
@@ -179,7 +179,7 @@ static int serverworks_create_gatt_table(struct agp_bridge_data *bridge)
 
 	/* Calculate the agp offset */
 	for (i = 0; i < value->num_entries / 1024; i++)
-		writel(virt_to_gart(serverworks_private.gatt_pages[i]->real)|1, page_dir.remapped+i);
+		writel(virt_to_phys(serverworks_private.gatt_pages[i]->real)|1, page_dir.remapped+i);
 
 	return 0;
 }
@@ -350,7 +350,7 @@ static int serverworks_insert_memory(struct agp_memory *mem,
 		addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
 		cur_gatt = SVRWRKS_GET_GATT(addr);
 		writel(agp_bridge->driver->mask_memory(agp_bridge, 
-				phys_to_gart(page_to_phys(mem->pages[i])), mem->type),
+				page_to_phys(mem->pages[i]), mem->type),
 		       cur_gatt+GET_GATT_OFF(addr));
 	}
 	serverworks_tlbflush(mem);

drivers/char/agp/uninorth-agp.c

@@ -431,7 +431,7 @@ static int uninorth_create_gatt_table(struct agp_bridge_data *bridge)
 
 	bridge->gatt_table_real = (u32 *) table;
 	bridge->gatt_table = (u32 *)table;
-	bridge->gatt_bus_addr = virt_to_gart(table);
+	bridge->gatt_bus_addr = virt_to_phys(table);
 
 	for (i = 0; i < num_entries; i++)
 		bridge->gatt_table[i] = 0;