diff options
Diffstat (limited to 'linux-core/ati_pcigart.c')
-rw-r--r-- | linux-core/ati_pcigart.c | 81 |
1 files changed, 27 insertions, 54 deletions
diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c index 08dbfe6c..44229a0d 100644 --- a/linux-core/ati_pcigart.c +++ b/linux-core/ati_pcigart.c @@ -35,6 +35,24 @@ # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ +static __inline__ void insert_page_into_table(struct ati_pcigart_info *info, u32 page_base, u32 *pci_gart) +{ + switch(info->gart_reg_if) { + case DRM_ATI_GART_IGP: + *pci_gart = cpu_to_le32((page_base) | 0xc); + break; + case DRM_ATI_GART_PCIE: + *pci_gart = cpu_to_le32((page_base >> 8) | 0xc); + break; + default: + case DRM_ATI_GART_PCI: + *pci_gart = cpu_to_le32(page_base); + break; + } +} + + + static void *drm_ati_alloc_pcigart_table(int order) { unsigned long address; @@ -207,18 +225,7 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info) 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: - *pci_gart = cpu_to_le32((page_base) | 0xc); - break; - case DRM_ATI_GART_PCIE: - *pci_gart = cpu_to_le32((page_base >> 8) | 0xc); - break; - default: - case DRM_ATI_GART_PCI: - *pci_gart = cpu_to_le32(page_base); - break; - } + insert_page_into_table(gart_info, page_base, pci_gart); pci_gart++; page_base += ATI_PCIGART_PAGE_SIZE; } @@ -244,45 +251,16 @@ static int ati_pcigart_needs_unbind_cache_adjust(drm_ttm_backend_t *backend) return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 0 : 1); } -void ati_pcigart_alloc_page_array(size_t size, struct ati_pcigart_memory *mem) -{ - mem->memory = NULL; - mem->flags = 0; - - if (size <= 2*PAGE_SIZE) - mem->memory = kmalloc(size, GFP_KERNEL | __GFP_NORETRY); - if (mem->memory == NULL) { - mem->memory = vmalloc(size); - mem->flags |= ATI_PCIGART_FLAG_VMALLOC; - } -} - static int ati_pcigart_populate(drm_ttm_backend_t *backend, unsigned long num_pages, struct page **pages) { ati_pcigart_ttm_backend_t *atipci_be = container_of(backend, ati_pcigart_ttm_backend_t, backend); - struct page **cur_page, **last_page = pages + num_pages; - struct ati_pcigart_memory *mem; - unsigned long alloc_size = num_pages * sizeof(struct page *); DRM_DEBUG("%d\n", num_pages); - if (drm_alloc_memctl(num_pages * sizeof(void *))) - return -1; - - mem = drm_alloc(sizeof(struct ati_pcigart_memory), DRM_MEM_MAPPINGS); - if (!mem) { - drm_free_memctl(num_pages * sizeof(void *)); - return -1; - } - - ati_pcigart_alloc_page_array(alloc_size, mem); - mem->page_count = 0; - for (cur_page = pages; cur_page < last_page; ++cur_page) { - mem->memory[mem->page_count++] = page_to_phys(*cur_page); - } - atipci_be->mem = mem; + atipci_be->pages = pages; + atipci_be->num_pages = num_pages; return 0; } @@ -292,12 +270,10 @@ static int ati_pcigart_bind_ttm(drm_ttm_backend_t *backend, { ati_pcigart_ttm_backend_t *atipci_be = container_of(backend, ati_pcigart_ttm_backend_t, backend); - - struct ati_pcigart_memory *mem = atipci_be->mem; off_t j; j = offset; - while (j < (offset + mem->page_count)) { + while (j < (offset + atipci_be->num_pages)) { j++; } @@ -323,17 +299,14 @@ static void ati_pcigart_clear_ttm(drm_ttm_backend_t *backend) { ati_pcigart_ttm_backend_t *atipci_be = container_of(backend, ati_pcigart_ttm_backend_t, backend); - struct ati_pcigart_memory *mem = atipci_be->mem; DRM_DEBUG("\n"); - if (mem) { - unsigned long num_pages = mem->page_count; + if (atipci_be->pages) { backend->func->unbind(backend); - /* free test */ -// drm_free(mem, sizeof(struct ati_pcigart_memory), DRM_MEM_MAPPINGS); -// drm_free_memctl(num_pages * sizeof(void *)); + atipci_be->pages = NULL; + } - atipci_be->mem = NULL; + atipci_be->num_pages = 0; } static void ati_pcigart_destroy_ttm(drm_ttm_backend_t *backend) @@ -343,7 +316,7 @@ static void ati_pcigart_destroy_ttm(drm_ttm_backend_t *backend) DRM_DEBUG("\n"); atipci_be = container_of(backend, ati_pcigart_ttm_backend_t, backend); if (atipci_be) { - if (atipci_be->mem) { + if (atipci_be->pages) { backend->func->clear(backend); } drm_ctl_free(atipci_be, sizeof(*atipci_be), DRM_MEM_TTM); |