#include "drmP.h"
# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
+# define ATI_PCIGART_PAGE_MASK (~(ATI_PCIGART_PAGE_SIZE-1))
+
static int drm_ati_alloc_pcigart_table(struct drm_device *dev,
struct drm_ati_pcigart_info *gart_info)
{
bus_address = 0;
goto done;
}
- page_base = (u32) entry->busaddr[i];
for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
switch(gart_info->gart_reg_if) {
case DRM_ATI_GART_IGP:
+ page_base = (u32) entry->busaddr[i] & ATI_PCIGART_PAGE_MASK;
+ page_base |= (upper_32_bits(entry->busaddr[i]) & 0xff) << 4;
*pci_gart = cpu_to_le32((page_base) | 0xc);
break;
case DRM_ATI_GART_PCIE:
+ page_base = (u32)(entry->busaddr[i] & ATI_PCIGART_PAGE_MASK);
+ page_base >>= 8;
+ page_base |= (upper_32_bits(entry->busaddr[i]) & 0xff) << 24;
*pci_gart = cpu_to_le32((page_base >> 8) | 0xc);
break;
default:
case DRM_ATI_GART_PCI:
+ page_base = (u32) entry->busaddr[i];
*pci_gart = cpu_to_le32(page_base);
break;
}