#define DEBUG_SCATTER 0
+static inline void *drm_vmalloc_dma(unsigned long size)
+{
+#if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE)
+ return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL | _PAGE_NO_CACHE);
+#else
+ return vmalloc_32(size);
+#endif
+}
+
void drm_sg_cleanup(struct drm_sg_mem * entry)
{
struct page *page;
struct drm_sg_mem *entry;
unsigned long pages, i, j;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
if (!drm_core_check_feature(dev, DRIVER_SG))
return -EINVAL;
memset(entry, 0, sizeof(*entry));
pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
- DRM_DEBUG("sg size=%ld pages=%ld\n", request->size, pages);
+ DRM_DEBUG("size=%ld pages=%ld\n", request->size, pages);
entry->pages = pages;
entry->pagelist = drm_alloc(pages * sizeof(*entry->pagelist),
}
memset((void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr));
- entry->virtual = vmalloc_32(pages << PAGE_SHIFT);
+ entry->virtual = drm_vmalloc_dma(pages << PAGE_SHIFT);
if (!entry->virtual) {
drm_free(entry->busaddr,
entry->pages * sizeof(*entry->busaddr), DRM_MEM_PAGES);
entry->handle = ScatterHandle((unsigned long)entry->virtual);
- DRM_DEBUG("sg alloc handle = %08lx\n", entry->handle);
- DRM_DEBUG("sg alloc virtual = %p\n", entry->virtual);
+ DRM_DEBUG("handle = %08lx\n", entry->handle);
+ DRM_DEBUG("virtual = %p\n", entry->virtual);
for (i = (unsigned long)entry->virtual, j = 0; j < pages;
i += PAGE_SIZE, j++) {
if (!entry || entry->handle != request->handle)
return -EINVAL;
- DRM_DEBUG("sg free virtual = %p\n", entry->virtual);
+ DRM_DEBUG("virtual = %p\n", entry->virtual);
drm_sg_cleanup(entry);