X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fdrm_scatter.c;h=b2b0f3d4171492de22ebb6949b9bb0ce5f9d65c6;hb=f8f2c79d594463427f7114cedb1555110d547d89;hp=eb7fa437355e4068a52d48d2f7e7afbdad9e2f00;hpb=c153f45f9b7e30289157bba3ff5682291df16caa;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/drm/drm_scatter.c b/drivers/char/drm/drm_scatter.c
index eb7fa437355..b2b0f3d4171 100644
--- a/drivers/char/drm/drm_scatter.c
+++ b/drivers/char/drm/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;
@@ -67,7 +76,7 @@ int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request)
 	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;
@@ -81,7 +90,7 @@ int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request)
 
 	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),
@@ -104,7 +113,7 @@ 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);
@@ -122,8 +131,8 @@ int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request)
 
 	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++) {
@@ -210,7 +219,7 @@ int drm_sg_free(struct drm_device *dev, void *data,
 	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);