Merge branch 'master' of ../../drm into modesetting-101

5 files changed, 36 insertions, 7 deletions

diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c
index 68029635..93519e5f 100644
--- a/linux-core/ati_pcigart.c
+++ b/linux-core/ati_pcigart.c
@@ -224,6 +224,12 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
 		}
 	}
 
+	if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
+		dma_sync_single_for_device(&dev->pdev->dev,
+					   bus_address,
+					   max_pages * sizeof(u32),
+					   PCI_DMA_TODEVICE);
+
 	ret = 1;
 
 #if defined(__i386__) || defined(__x86_64__)
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index c41f726c..1d3f87e5 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -969,7 +969,7 @@ static int drm_bo_modify_proposed_flags (struct drm_buffer_object *bo,
 		return -EINVAL;
 	}
 
-	if ((new_mask & DRM_BO_FLAG_NO_EVICT) && !DRM_SUSER(DRM_CURPROC)) {
+	if (bo->type != drm_bo_type_kernel && (new_mask & DRM_BO_FLAG_NO_EVICT) && !DRM_SUSER(DRM_CURPROC)) {
 		DRM_ERROR("DRM_BO_FLAG_NO_EVICT is only available to priviliged processes.\n");
 		return -EPERM;
 	}
diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h
index 86f1159a..03838a18 100644
--- a/linux-core/drm_compat.h
+++ b/linux-core/drm_compat.h
@@ -348,4 +348,9 @@ extern struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devf
 extern void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type,
 				  pgprot_t protection);
 #endif
+
+#if !defined(flush_agp_mappings)
+#define flush_agp_mappings() do {} while(0)
+#endif
+
 #endif
diff --git a/linux-core/drm_scatter.c b/linux-core/drm_scatter.c
index 77b9f95d..dfae4b84 100644
--- a/linux-core/drm_scatter.c
+++ b/linux-core/drm_scatter.c
@@ -36,6 +36,15 @@
 
 #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;
@@ -105,7 +114,7 @@ int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request)
 	}
 	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);
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 15e1c0f5..ffda8284 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -59,17 +59,27 @@ pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma)
 	pgprot_val(tmp) |= _PAGE_NO_CACHE;
 	if (map_type == _DRM_REGISTERS)
 		pgprot_val(tmp) |= _PAGE_GUARDED;
-#endif
-#if defined(__ia64__)
+#elif defined(__ia64__)
 	if (efi_range_is_wc(vma->vm_start, vma->vm_end -
 				    vma->vm_start))
 		tmp = pgprot_writecombine(tmp);
 	else
 		tmp = pgprot_noncached(tmp);
+#elif defined(__sparc__)
+	tmp = pgprot_noncached(tmp);
 #endif
 	return tmp;
 }
 
+static pgprot_t drm_dma_prot(uint32_t map_type, struct vm_area_struct *vma)
+{
+	pgprot_t tmp = vm_get_page_prot(vma->vm_flags);
+
+#if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE)
+	tmp |= _PAGE_NO_CACHE;
+#endif
+	return tmp;
+}
 
 /**
  * \c nopage method for AGP virtual memory.
@@ -628,9 +638,6 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
 		offset = dev->driver->get_reg_ofs(dev);
 		vma->vm_flags |= VM_IO;	/* not in core dump */
 		vma->vm_page_prot = drm_io_prot(map->type, vma);
-#ifdef __sparc__
-		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#endif
 		if (io_remap_pfn_range(vma, vma->vm_start,
 				       (map->offset + offset) >> PAGE_SHIFT,
 				       vma->vm_end - vma->vm_start,
@@ -649,6 +656,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
 		    page_to_pfn(virt_to_page(map->handle)),
 		    vma->vm_end - vma->vm_start, vma->vm_page_prot))
 			return -EAGAIN;
+		vma->vm_page_prot = drm_dma_prot(map->type, vma);
 	/* fall through to _DRM_SHM */
 	case _DRM_SHM:
 		vma->vm_ops = &drm_vm_shm_ops;
@@ -661,6 +669,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
 		vma->vm_ops = &drm_vm_sg_ops;
 		vma->vm_private_data = (void *)map;
 		vma->vm_flags |= VM_RESERVED;
+		vma->vm_page_prot = drm_dma_prot(map->type, vma);
 		break;
 	case _DRM_TTM:
 		return drm_bo_mmap_locked(vma, filp, map);