---

yaml --- r: 156023 b: refs/heads/master c: f121ecf h: refs/heads/master i: 156021: 7504968 156019: ae94422 156015: 342782d v: v3
git-mirror · Jul 29, 2009 · ac306d3 · ac306d3
1 parent feb38c3
commit ac306d3
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Showing 2 changed files with 11 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 73ba651fc246fcc3e446da4155e0425b4219d2c4
+refs/heads/master: f121ecfebbea1452a17d57c656def7d1537440f7
diff --git a/trunk/drivers/gpu/drm/ttm/ttm_tt.c b/trunk/drivers/gpu/drm/ttm/ttm_tt.c
@@ -86,10 +86,16 @@ void ttm_tt_cache_flush(struct page *pages[], unsigned long num_pages)
 	unsigned long i;
 
 	for (i = 0; i < num_pages; ++i) {
-		if (pages[i]) {
-			unsigned long start = (unsigned long)page_address(pages[i]);
-			flush_dcache_range(start, start + PAGE_SIZE);
-		}
+		struct page *page = pages[i];
+		void *page_virtual;
+
+		if (unlikely(page == NULL))
+			continue;
+
+		page_virtual = kmap_atomic(page, KM_USER0);
+		flush_dcache_range((unsigned long) page_virtual,
+				   (unsigned long) page_virtual + PAGE_SIZE);
+		kunmap_atomic(page_virtual, KM_USER0);
 	}
 #else
 	if (on_each_cpu(ttm_tt_ipi_handler, NULL, 1) != 0)