From df51e7aa2cf204e3a65657a1d60b96cfda133e9b Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat, 4 Sep 2010 14:57:27 +0100
Subject: [PATCH] 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
---
drivers/char/agp/intel-gtt.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index d22ffb811bf2..ce536e68b6c6 100644
--- 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)
--
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