From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 4/4] video: imx-ipu-v3: Use writecombine memory for fb
Date: Fri, 7 Aug 2015 15:40:09 +0200 [thread overview]
Message-ID: <1438954809-5962-5-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1438954809-5962-1-git-send-email-s.hauer@pengutronix.de>
To speed up copying to the framebuffer.
Signed-off-by: Sascha Hauer <s.hauer@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
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prev parent reply other threads:[~2015-08-07 13:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-07 13:40 video: update imx-ipu-v3 and hdmi support Sascha Hauer
2015-08-07 13:40 ` [PATCH 1/4] video: imx-hdmi: sync with kernel Sascha Hauer
2015-08-07 13:40 ` [PATCH 2/4] video: ipuv3: Adjust videomode to IPU limitations Sascha Hauer
2015-08-07 13:40 ` [PATCH 3/4] ARM: implement dma_alloc_writecombine Sascha Hauer
2015-08-07 13:40 ` Sascha Hauer [this message]
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