agp/intel: Promote warning about failure to setup flush to error.

Make sure we always detect when we fail to correctly allocate the Isoch
Flush Page and print an error to warn the user about the likely memory
corruption that will result in invalid rendering or worse.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index d22ffb811bf2cea4001a97d485327d668ff9d85a..ce536e68b6c653202dd210ebd9bae546c3e2c54f 100644 (file)
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1068,11 +1068,11 @@ static void intel_i9xx_setup_flush(void)
                intel_i915_setup_chipset_flush();
        }
 
-       if (intel_private.ifp_resource.start) {
+       if (intel_private.ifp_resource.start)
                intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE);
-               if (!intel_private.i9xx_flush_page)
-                       dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing");
-       }
+       if (!intel_private.i9xx_flush_page)
+               dev_err(&intel_private.pcidev->dev,
+                       "can't ioremap flush page - no chipset flushing\n");
 }
 
 static int intel_i9xx_configure(void)