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Subject[181/251] drm/ast: invalidate page tables when pinning a BO
3.6.11.9-rc1 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Dave Airlie <airlied@redhat.com>

[ Upstream commit 3ac65259328324de323dc006b52ff7c1a5b18d19 ]

same fix as cirrus and mgag200.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
drivers/gpu/drm/ast/ast_ttm.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 2a6027c..566934c 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -348,6 +348,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,

astbo->gem.driver_private = NULL;
astbo->bo.bdev = &ast->ttm.bdev;
+ astbo->bo.bdev->dev_mapping = dev->dev_mapping;

ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);

--
1.7.10.4



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