drm/omap: Use writecombine for descriptors
Use writecombine for descriptor and PAT programming memory.
Signed-off-by: Andy Gross <andy.gross@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 @@
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 @@
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) {