diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-06-10 16:27:50 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-06-10 16:27:50 +1000 |
| commit | cdd0cb0ab372ac93adc73945627f4071f86f75c0 (patch) | |
| tree | 77254be6ab7b7905dd5edf836090a945d429a4de /linux-core/ati_pcigart.c | |
| parent | 4b8aecbde8e62af5370d5401d49a8ab8d089fe8e (diff) | |
ati_pcigart: split out the page insert function
Diffstat (limited to 'linux-core/ati_pcigart.c')
| -rw-r--r-- | linux-core/ati_pcigart.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c index c2aafd22..fb663a0a 100644 --- a/linux-core/ati_pcigart.c +++ b/linux-core/ati_pcigart.c @@ -39,6 +39,28 @@ #define ATI_PCIE_WRITE 0x4 #define ATI_PCIE_READ 0x8 +static __inline__ void gart_insert_page_into_table(struct drm_ati_pcigart_info *gart_info, dma_addr_t addr, u32 *pci_gart) +{ + u32 page_base; + + page_base = (u32)addr & ATI_PCIGART_PAGE_MASK; + switch(gart_info->gart_reg_if) { + case DRM_ATI_GART_IGP: + page_base |= (upper_32_bits(addr) & 0xff) << 4; + page_base |= 0xc; + break; + case DRM_ATI_GART_PCIE: + page_base >>= 8; + page_base |= (upper_32_bits(addr) & 0xff) << 24; + page_base |= ATI_PCIE_READ | ATI_PCIE_WRITE; + break; + default: + case DRM_ATI_GART_PCI: + break; + } + *pci_gart = cpu_to_le32(page_base); +} + static int drm_ati_alloc_pcigart_table(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) { @@ -155,22 +177,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga entry_addr = entry->busaddr[i]; for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { - page_base = (u32) entry_addr & ATI_PCIGART_PAGE_MASK; - switch(gart_info->gart_reg_if) { - case DRM_ATI_GART_IGP: - page_base |= (upper_32_bits(entry_addr) & 0xff) << 4; - page_base |= 0xc; - break; - case DRM_ATI_GART_PCIE: - page_base >>= 8; - page_base |= (upper_32_bits(entry_addr) & 0xff) << 24; - page_base |= ATI_PCIE_READ | ATI_PCIE_WRITE; - break; - default: - case DRM_ATI_GART_PCI: - break; - } - *pci_gart = cpu_to_le32(page_base); + gart_insert_page_into_table(gart_info, entry_addr, pci_gart); pci_gart++; entry_addr += ATI_PCIGART_PAGE_SIZE; } |