[PATCH 04/12] gma500: mark framebuffer pages write combining

[Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>]

From: Alan Cox <alan@xxxxxxxxxxxxxxx>

We don't want them uncached, combining will do nicely and fixes the performance
problem with the generic modesetting X server.

Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---

 drivers/gpu/drm/gma500/gtt.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index c6465b4..db2e823 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -93,7 +93,7 @@ static int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r)
 	pages = r->pages;
 
 	/* Make sure changes are visible to the GPU */
-	set_pages_array_uc(pages, r->npage);
+	set_pages_array_wc(pages, r->npage);
 
 	/* Write our page entries into the GTT itself */
 	for (i = r->roll; i < r->npage; i++) {

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