linux-kernel - [PATCH] drm/radeon/kms: Fix caching mode selection for GTT object

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Date:	Wed, 29 Jul 2009 18:55:53 +0200
From:	Jerome Glisse <jglisse@...hat.com>
To:	airlied@...il.com
Cc:	dri-devel@...ts.sf.net, linux-kernel@...r.kernel.org,
	Jerome Glisse <jglisse@...hat.com>
Subject: [PATCH] drm/radeon/kms: Fix caching mode selection for GTT object

GTT object can either be cached,uncached or wc just let core ttm
pick the best mode according to how the bo driver and GTT memory
type was initialized.

Signed-off-by: Jerome Glisse <jglisse@...hat.com>
---
 drivers/gpu/drm/radeon/radeon_object.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index dd9ac2f..e98cae3 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -106,7 +106,7 @@ static inline uint32_t radeon_object_flags_from_domain(uint32_t domain)
 		flags |= TTM_PL_FLAG_VRAM | TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;
 	}
 	if (domain & RADEON_GEM_DOMAIN_GTT) {
-		flags |= TTM_PL_FLAG_TT | TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;
+		flags |= TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
 	}
 	if (domain & RADEON_GEM_DOMAIN_CPU) {
 		flags |= TTM_PL_FLAG_SYSTEM | TTM_PL_MASK_CACHING;
-- 
1.6.2.5

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