diff options
-rw-r--r-- | linux-core/xgi_drv.c | 2 | ||||
-rw-r--r-- | linux-core/xgi_drv.h | 3 | ||||
-rw-r--r-- | linux-core/xgi_pcie.c | 89 |
3 files changed, 30 insertions, 64 deletions
diff --git a/linux-core/xgi_drv.c b/linux-core/xgi_drv.c index 4b90579e..84547f62 100644 --- a/linux-core/xgi_drv.c +++ b/linux-core/xgi_drv.c @@ -306,7 +306,7 @@ void xgi_driver_lastclose(struct drm_device * dev) info->fb_map = NULL; if (info->pcie_heap_initialized) { - xgi_pcie_lut_cleanup(info); + drm_ati_pcigart_cleanup(dev, &info->gart_info); } if (info->fb_heap_initialized diff --git a/linux-core/xgi_drv.h b/linux-core/xgi_drv.h index d43a6b4e..f2768d1b 100644 --- a/linux-core/xgi_drv.h +++ b/linux-core/xgi_drv.h @@ -64,7 +64,7 @@ struct xgi_info { struct drm_map *fb_map; /* look up table parameters */ - struct drm_dma_handle *lut_handle; + struct ati_pcigart_info gart_info; unsigned int lutPageSize; struct drm_sman sman; @@ -87,7 +87,6 @@ extern int xgi_free(struct xgi_info * info, unsigned long index, struct drm_file * filp); extern int xgi_pcie_heap_init(struct xgi_info * info); -extern void xgi_pcie_lut_cleanup(struct xgi_info * info); extern void *xgi_find_pcie_virt(struct xgi_info * info, u32 address); diff --git a/linux-core/xgi_pcie.c b/linux-core/xgi_pcie.c index b4d204c1..a7d3ea24 100644 --- a/linux-core/xgi_pcie.c +++ b/linux-core/xgi_pcie.c @@ -28,15 +28,31 @@ #include "xgi_regs.h" #include "xgi_misc.h" -static int xgi_pcie_lut_init(struct xgi_info * info) +void xgi_gart_flush(struct drm_device *dev) +{ + struct xgi_info *const info = dev->dev_private; + u8 temp; + + DRM_MEMORYBARRIER(); + + /* Set GART in SFB */ + temp = DRM_READ8(info->mmio_map, 0xB00C); + DRM_WRITE8(info->mmio_map, 0xB00C, temp & ~0x02); + + /* Set GART base address to HW */ + DRM_WRITE32(info->mmio_map, 0xB034, info->gart_info.bus_addr); + + /* Flush GART table. */ + DRM_WRITE8(info->mmio_map, 0xB03F, 0x40); + DRM_WRITE8(info->mmio_map, 0xB03F, 0x00); +} + + +int xgi_pcie_heap_init(struct xgi_info * info) { u8 temp = 0; int err; - unsigned i; struct drm_scatter_gather request; - struct drm_sg_mem *sg; - u32 *lut; - /* Get current FB aperture size */ temp = IN3X5B(info->mmio_map, 0x27); @@ -70,73 +86,24 @@ static int xgi_pcie_lut_init(struct xgi_info * info) return err; } - sg = info->dev->sg; + info->gart_info.gart_table_location = DRM_ATI_GART_MAIN; + info->gart_info.gart_reg_if = DRM_ATI_GART_PCI; + info->gart_info.table_size = info->dev->sg->pages * sizeof(u32); - info->lut_handle = drm_pci_alloc(info->dev, - sizeof(u32) * sg->pages, - PAGE_SIZE, - DMA_31BIT_MASK); - if (info->lut_handle == NULL) { - DRM_ERROR("cannot allocate PCIE lut page!\n"); + if (!drm_ati_pcigart_init(info->dev, &info->gart_info)) { + DRM_ERROR("failed to init PCI GART!\n"); return -ENOMEM; } - lut = info->lut_handle->vaddr; - for (i = 0; i < sg->pages; i++) { - info->dev->sg->busaddr[i] = pci_map_page(info->dev->pdev, - sg->pagelist[i], - 0, - PAGE_SIZE, - DMA_BIDIRECTIONAL); - if (dma_mapping_error(info->dev->sg->busaddr[i])) { - DRM_ERROR("cannot map GART backing store for DMA!\n"); - return info->dev->sg->busaddr[i]; - } - - lut[i] = info->dev->sg->busaddr[i]; - } - - DRM_MEMORYBARRIER(); - - /* Set GART in SFB */ - temp = DRM_READ8(info->mmio_map, 0xB00C); - DRM_WRITE8(info->mmio_map, 0xB00C, temp & ~0x02); - - /* Set GART base address to HW */ - DRM_WRITE32(info->mmio_map, 0xB034, info->lut_handle->busaddr); - - /* Flush GART table. */ - DRM_WRITE8(info->mmio_map, 0xB03F, 0x40); - DRM_WRITE8(info->mmio_map, 0xB03F, 0x00); - - return 0; -} - -void xgi_pcie_lut_cleanup(struct xgi_info * info) -{ - if (info->lut_handle) { - drm_pci_free(info->dev, info->lut_handle); - info->lut_handle = NULL; - } -} - -int xgi_pcie_heap_init(struct xgi_info * info) -{ - int err; - - err = xgi_pcie_lut_init(info); - if (err) { - DRM_ERROR("xgi_pcie_lut_init failed\n"); - return err; - } + xgi_gart_flush(info->dev); mutex_lock(&info->dev->struct_mutex); err = drm_sman_set_range(&info->sman, XGI_MEMLOC_NON_LOCAL, 0, info->pcie.size); mutex_unlock(&info->dev->struct_mutex); if (err) { - xgi_pcie_lut_cleanup(info); + drm_ati_pcigart_cleanup(info->dev, &info->gart_info); } info->pcie_heap_initialized = (err == 0); |