[PATCH 04/12] gma500: mark framebuffer pages write combining
Alan Cox
alan at lxorguk.ukuu.org.uk
Wed Apr 25 06:37:00 PDT 2012
From: Alan Cox <alan at linux.intel.com>
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 at linux.intel.com>
---
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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