[PATCH 4/4] video: imx-ipu-v3: Use writecombine memory for fb

[Sascha Hauer]

To speed up copying to the framebuffer.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/video/imx-ipu-v3/ipufb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/imx-ipu-v3/ipufb.c b/drivers/video/imx-ipu-v3/ipufb.c
index ebfcfcc..ea2e83b 100644
--- a/drivers/video/imx-ipu-v3/ipufb.c
+++ b/drivers/video/imx-ipu-v3/ipufb.c
@@ -214,7 +214,7 @@ static int ipufb_activate_var(struct fb_info *info)
 	struct ipufb_info *fbi = container_of(info, struct ipufb_info, info);
 
 	info->line_length = info->xres * (info->bits_per_pixel >> 3);
-	fbi->info.screen_base = dma_alloc_coherent(info->line_length * info->yres,
+	fbi->info.screen_base = dma_alloc_writecombine(info->line_length * info->yres,
 						   DMA_ADDRESS_BROKEN);
 	if (!fbi->info.screen_base)
 		return -ENOMEM;
-- 
2.4.6