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-rw-r--r--linux-core/ati_pcigart.c6
-rw-r--r--linux-core/drm_bo.c2
-rw-r--r--linux-core/drm_compat.h5
-rw-r--r--linux-core/drm_scatter.c11
-rw-r--r--linux-core/drm_vm.c19
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);