Use writecombine for descriptor and PAT programming memory.
Signed-off-by: Andy Gross andy.gross@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) {