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Date: Fri, 25 Feb 2011 13:30:56 +0100
From: Jan Niehusmann <jan@gondor.com>
To: linux-kernel@vger.kernel.org
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Cc: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH] intel-gtt: fix memory corruption with GM965 and
	>4GB RAM
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diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 29ac6d4..f7977f2 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1379,7 +1379,7 @@ static const struct intel_gtt_driver i965_gtt_driver = {
 	.setup = i9xx_setup,
 	.cleanup = i9xx_cleanup,
 	.write_entry = i965_write_entry,
-	.dma_mask_size = 36,
+	.dma_mask_size = 32,
 	.check_flags = i830_check_flags,
 	.chipset_flush = i9xx_chipset_flush,
 };