[PATCH] drm/omap: Use writecombine for descriptors

[Andy Gross]

Use writecombine for descriptor and PAT programming memory.

Signed-off-by: Andy Gross <andy.gross at ti.com>
---
 drivers/staging/omapdrm/omap_dmm_tiler.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/omapdrm/omap_dmm_tiler.c b/drivers/staging/omapdrm/omap_dmm_tiler.c
index fda9efc..7c19c5c 100644
--- a/drivers/staging/omapdrm/omap_dmm_tiler.c
+++ b/drivers/staging/omapdrm/omap_dmm_tiler.c
@@ -525,7 +525,7 @@ static int omap_dmm_remove(struct platform_device *dev)
 
 		kfree(omap_dmm->engines);
 		if (omap_dmm->refill_va)
-			dma_free_coherent(omap_dmm->dev,
+			dma_free_writecombine(omap_dmm->dev,
 				REFILL_BUFFER_SIZE * omap_dmm->num_engines,
 				omap_dmm->refill_va,
 				omap_dmm->refill_pa);
@@ -633,7 +633,7 @@ static int omap_dmm_probe(struct platform_device *dev)
 	omap_dmm->dummy_pa = page_to_phys(omap_dmm->dummy_page);
 
 	/* alloc refill memory */
-	omap_dmm->refill_va = dma_alloc_coherent(&dev->dev,
+	omap_dmm->refill_va = dma_alloc_writecombine(&dev->dev,
 				REFILL_BUFFER_SIZE * omap_dmm->num_engines,
 				&omap_dmm->refill_pa, GFP_KERNEL);
 	if (!omap_dmm->refill_va) {
-- 
1.7.5.4