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path: root/drivers/char/agp/intel-gtt.c
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Diffstat (limited to 'drivers/char/agp/intel-gtt.c')
-rw-r--r--drivers/char/agp/intel-gtt.c65
1 files changed, 37 insertions, 28 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index b8e2014cb9c..5c85350f4c3 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -64,7 +64,7 @@ static struct _intel_private {
struct pci_dev *pcidev; /* device one */
struct pci_dev *bridge_dev;
u8 __iomem *registers;
- phys_addr_t gtt_bus_addr;
+ phys_addr_t gtt_phys_addr;
u32 PGETBL_save;
u32 __iomem *gtt; /* I915G */
bool clear_fake_agp; /* on first access via agp, fill with scratch */
@@ -94,6 +94,7 @@ static struct _intel_private {
#define IS_IRONLAKE intel_private.driver->is_ironlake
#define HAS_PGTBL_EN intel_private.driver->has_pgtbl_enable
+#if IS_ENABLED(CONFIG_AGP_INTEL)
static int intel_gtt_map_memory(struct page **pages,
unsigned int num_entries,
struct sg_table *st)
@@ -168,11 +169,12 @@ static void i8xx_destroy_pages(struct page *page)
__free_pages(page, 2);
atomic_dec(&agp_bridge->current_memory_agp);
}
+#endif
#define I810_GTT_ORDER 4
static int i810_setup(void)
{
- u32 reg_addr;
+ phys_addr_t reg_addr;
char *gtt_table;
/* i81x does not preallocate the gtt. It's always 64kb in size. */
@@ -181,8 +183,7 @@ static int i810_setup(void)
return -ENOMEM;
intel_private.i81x_gtt_table = gtt_table;
- pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &reg_addr);
- reg_addr &= 0xfff80000;
+ reg_addr = pci_resource_start(intel_private.pcidev, I810_MMADR_BAR);
intel_private.registers = ioremap(reg_addr, KB(64));
if (!intel_private.registers)
@@ -191,7 +192,7 @@ static int i810_setup(void)
writel(virt_to_phys(gtt_table) | I810_PGETBL_ENABLED,
intel_private.registers+I810_PGETBL_CTL);
- intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
+ intel_private.gtt_phys_addr = reg_addr + I810_PTE_BASE;
if ((readl(intel_private.registers+I810_DRAM_CTL)
& I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
@@ -209,6 +210,7 @@ static void i810_cleanup(void)
free_gatt_pages(intel_private.i81x_gtt_table, I810_GTT_ORDER);
}
+#if IS_ENABLED(CONFIG_AGP_INTEL)
static int i810_insert_dcache_entries(struct agp_memory *mem, off_t pg_start,
int type)
{
@@ -289,6 +291,7 @@ static void intel_i810_free_by_type(struct agp_memory *curr)
}
kfree(curr);
}
+#endif
static int intel_gtt_setup_scratch_page(void)
{
@@ -608,9 +611,8 @@ static bool intel_gtt_can_wc(void)
static int intel_gtt_init(void)
{
- u32 gma_addr;
u32 gtt_map_size;
- int ret;
+ int ret, bar;
ret = intel_private.driver->setup();
if (ret != 0)
@@ -636,10 +638,10 @@ static int intel_gtt_init(void)
intel_private.gtt = NULL;
if (intel_gtt_can_wc())
- intel_private.gtt = ioremap_wc(intel_private.gtt_bus_addr,
+ intel_private.gtt = ioremap_wc(intel_private.gtt_phys_addr,
gtt_map_size);
if (intel_private.gtt == NULL)
- intel_private.gtt = ioremap(intel_private.gtt_bus_addr,
+ intel_private.gtt = ioremap(intel_private.gtt_phys_addr,
gtt_map_size);
if (intel_private.gtt == NULL) {
intel_private.driver->cleanup();
@@ -647,7 +649,9 @@ static int intel_gtt_init(void)
return -ENOMEM;
}
+#if IS_ENABLED(CONFIG_AGP_INTEL)
global_cache_flush(); /* FIXME: ? */
+#endif
intel_private.stolen_size = intel_gtt_stolen_size();
@@ -660,17 +664,15 @@ static int intel_gtt_init(void)
}
if (INTEL_GTT_GEN <= 2)
- pci_read_config_dword(intel_private.pcidev, I810_GMADDR,
- &gma_addr);
+ bar = I810_GMADR_BAR;
else
- pci_read_config_dword(intel_private.pcidev, I915_GMADDR,
- &gma_addr);
-
- intel_private.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK);
+ bar = I915_GMADR_BAR;
+ intel_private.gma_bus_addr = pci_bus_address(intel_private.pcidev, bar);
return 0;
}
+#if IS_ENABLED(CONFIG_AGP_INTEL)
static int intel_fake_agp_fetch_size(void)
{
int num_sizes = ARRAY_SIZE(intel_fake_agp_sizes);
@@ -689,6 +691,7 @@ static int intel_fake_agp_fetch_size(void)
return 0;
}
+#endif
static void i830_cleanup(void)
{
@@ -787,20 +790,20 @@ EXPORT_SYMBOL(intel_enable_gtt);
static int i830_setup(void)
{
- u32 reg_addr;
+ phys_addr_t reg_addr;
- pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &reg_addr);
- reg_addr &= 0xfff80000;
+ reg_addr = pci_resource_start(intel_private.pcidev, I810_MMADR_BAR);
intel_private.registers = ioremap(reg_addr, KB(64));
if (!intel_private.registers)
return -ENOMEM;
- intel_private.gtt_bus_addr = reg_addr + I810_PTE_BASE;
+ intel_private.gtt_phys_addr = reg_addr + I810_PTE_BASE;
return 0;
}
+#if IS_ENABLED(CONFIG_AGP_INTEL)
static int intel_fake_agp_create_gatt_table(struct agp_bridge_data *bridge)
{
agp_bridge->gatt_table_real = NULL;
@@ -825,6 +828,7 @@ static int intel_fake_agp_configure(void)
return 0;
}
+#endif
static bool i830_check_flags(unsigned int flags)
{
@@ -863,6 +867,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
}
EXPORT_SYMBOL(intel_gtt_insert_sg_entries);
+#if IS_ENABLED(CONFIG_AGP_INTEL)
static void intel_gtt_insert_pages(unsigned int first_entry,
unsigned int num_entries,
struct page **pages,
@@ -928,6 +933,7 @@ out_err:
mem->is_flushed = true;
return ret;
}
+#endif
void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries)
{
@@ -941,6 +947,7 @@ void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries)
}
EXPORT_SYMBOL(intel_gtt_clear_range);
+#if IS_ENABLED(CONFIG_AGP_INTEL)
static int intel_fake_agp_remove_entries(struct agp_memory *mem,
off_t pg_start, int type)
{
@@ -982,6 +989,7 @@ static struct agp_memory *intel_fake_agp_alloc_by_type(size_t pg_count,
/* always return NULL for other allocation types for now */
return NULL;
}
+#endif
static int intel_alloc_chipset_flush_resource(void)
{
@@ -1108,12 +1116,10 @@ static void i965_write_entry(dma_addr_t addr,
static int i9xx_setup(void)
{
- u32 reg_addr, gtt_addr;
+ phys_addr_t reg_addr;
int size = KB(512);
- pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &reg_addr);
-
- reg_addr &= 0xfff80000;
+ reg_addr = pci_resource_start(intel_private.pcidev, I915_MMADR_BAR);
intel_private.registers = ioremap(reg_addr, size);
if (!intel_private.registers)
@@ -1121,15 +1127,14 @@ static int i9xx_setup(void)
switch (INTEL_GTT_GEN) {
case 3:
- pci_read_config_dword(intel_private.pcidev,
- I915_PTEADDR, &gtt_addr);
- intel_private.gtt_bus_addr = gtt_addr;
+ intel_private.gtt_phys_addr =
+ pci_resource_start(intel_private.pcidev, I915_PTE_BAR);
break;
case 5:
- intel_private.gtt_bus_addr = reg_addr + MB(2);
+ intel_private.gtt_phys_addr = reg_addr + MB(2);
break;
default:
- intel_private.gtt_bus_addr = reg_addr + KB(512);
+ intel_private.gtt_phys_addr = reg_addr + KB(512);
break;
}
@@ -1138,6 +1143,7 @@ static int i9xx_setup(void)
return 0;
}
+#if IS_ENABLED(CONFIG_AGP_INTEL)
static const struct agp_bridge_driver intel_fake_agp_driver = {
.owner = THIS_MODULE,
.size_type = FIXED_APER_SIZE,
@@ -1159,6 +1165,7 @@ static const struct agp_bridge_driver intel_fake_agp_driver = {
.agp_destroy_page = agp_generic_destroy_page,
.agp_destroy_pages = agp_generic_destroy_pages,
};
+#endif
static const struct intel_gtt_driver i81x_gtt_driver = {
.gen = 1,
@@ -1376,11 +1383,13 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
intel_private.refcount++;
+#if IS_ENABLED(CONFIG_AGP_INTEL)
if (bridge) {
bridge->driver = &intel_fake_agp_driver;
bridge->dev_private_data = &intel_private;
bridge->dev = bridge_pdev;
}
+#endif
intel_private.bridge_dev = pci_dev_get(bridge_pdev);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 07:29:16 +0000