linux-kernel - [ 67/82] drm/vmwgfx: Fix a case where the code would BUG when trying to pin GMR memory

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Date:	Wed, 14 Nov 2012 05:40:40 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Thomas Hellstrom <thellstrom@...are.com>,
	Brian Paul <brianp@...are.com>,
	Dmitry Torokhov <dtor@...are.com>,
	Dave Airlie <airlied@...hat.com>
Subject: [ 67/82] drm/vmwgfx: Fix a case where the code would BUG when trying to pin
 GMR memory

3.2-stable review patch.  If anyone has any objections, please let me know.

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

From: Thomas Hellstrom <thellstrom@...are.com>

commit afcc87aa6a233e52df73552dc1dc9ae3881b7cc8 upstream.

Signed-off-by: Thomas Hellstrom <thellstrom@...are.com>
Reviewed-by: Brian Paul <brianp@...are.com>
Reviewed-by: Dmitry Torokhov <dtor@...are.com>
Cc: linux-graphics-maintainer@...are.com
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
index 3ce68a2..d1498bf 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
@@ -306,7 +306,7 @@ void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin)
 
 	BUG_ON(!atomic_read(&bo->reserved));
 	BUG_ON(old_mem_type != TTM_PL_VRAM &&
-	       old_mem_type != VMW_PL_FLAG_GMR);
+	       old_mem_type != VMW_PL_GMR);
 
 	pl_flags = TTM_PL_FLAG_VRAM | VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED;
 	if (pin)


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