drm/i915: Rename gtt_bus_addr to gtt_phys_addr

We're dealing with CPU physical addresses here, which may be different from
bus addresses, so rename gtt_bus_addr to gtt_phys_addr to avoid confusion.

No functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 3620a1b0a73cbcea019cbd5503250410e51f2807..15604b3dda3e6f442e0f52f07e352c9bd09d481c 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1260,14 +1260,14 @@ static int ggtt_probe_common(struct drm_device *dev,
                             size_t gtt_size)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       phys_addr_t gtt_bus_addr;
+       phys_addr_t gtt_phys_addr;
        int ret;
 
        /* For Modern GENs the PTEs and register space are split in the BAR */
-       gtt_bus_addr = pci_resource_start(dev->pdev, 0) +
+       gtt_phys_addr = pci_resource_start(dev->pdev, 0) +
                (pci_resource_len(dev->pdev, 0) / 2);
 
-       dev_priv->gtt.gsm = ioremap_wc(gtt_bus_addr, gtt_size);
+       dev_priv->gtt.gsm = ioremap_wc(gtt_phys_addr, gtt_size);
        if (!dev_priv->gtt.gsm) {
                DRM_ERROR("Failed to map the gtt page table\n");
                return -ENOMEM;