diff --git a/lanczosfilter.cpp b/lanczosfilter.cpp
--- a/lanczosfilter.cpp
+++ b/lanczosfilter.cpp
@@ -78,9 +78,6 @@
         // The lanczos filter is reported to be broken with the Intel driver prior SandyBridge
         if (gl->driver() == Driver_Intel && gl->chipClass() < SandyBridge)
             return;
-        // Broken on Intel chips with Mesa 9.1 - BUG 313613
-        if (gl->driver() == Driver_Intel && gl->mesaVersion() >= kVersionNumber(9, 1) && gl->mesaVersion() < kVersionNumber(9, 2))
-            return;
         // also radeon before R600 has trouble
         if (gl->isRadeon() && gl->chipClass() < R600)
             return;
diff --git a/scene_opengl.cpp b/scene_opengl.cpp
--- a/scene_opengl.cpp
+++ b/scene_opengl.cpp
@@ -407,8 +407,8 @@
         init_ok = false;
         return; // error
     }
-    if (glPlatform->isMesaDriver() && glPlatform->mesaVersion() < kVersionNumber(8, 0)) {
-        qCCritical(KWIN_CORE) << "KWin requires at least Mesa 8.0 for OpenGL compositing.";
+    if (glPlatform->isMesaDriver() && glPlatform->mesaVersion() < kVersionNumber(10, 0)) {
+        qCCritical(KWIN_CORE) << "KWin requires at least Mesa 10.0 for OpenGL compositing.";
         init_ok = false;
         return;
     }