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agp/intel: Rename gtt_bus_addr to gtt_phys_addr

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The only use of gtt_bus_addr is as an argument to ioremap(), so it is a CPU
physical address, not a bus address.  Rename it to gtt_phys_addr to reflect
this.

No functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Bjorn Helgaas 2014-01-06 14:39:40 -07:00
parent 21c346075c
commit 5acc4ce44c
1 changed files with 8 additions and 8 deletions
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16
drivers/char/agp/intel-gtt.c
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@ -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 */
@ -191,7 +191,7 @@ 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) {
@ -636,10 +636,10 @@ 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();
@ -796,7 +796,7 @@ static int i830_setup(void)
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;
}
@ -1123,13 +1123,13 @@ static int i9xx_setup(void)
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 = gtt_addr;
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;
}