From 6f303592392967a27bb2b0d7e744f4348f0d4647 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Wed, 7 Jun 2017 15:34:06 -0300
Subject: [PATCH] [media] media: imx: csi: increase burst size for YUV formats
The IDMAC supports burst sizes of up to 32 pixels for interleaved YUV
formats and up to 64 pixels for planar YUV formats.
Signed-off-by: Philipp Zabel
Signed-off-by: Hans Verkuil
Signed-off-by: Mauro Carvalho Chehab
---
drivers/staging/media/imx/imx-media-csi.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index b589fa244abc..ec4f9f88712c 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -333,6 +333,23 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
passthrough = true;
passthrough_bits = 16;
break;
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_NV12:
+ burst_size = (image.pix.width & 0x3f) ?
+ ((image.pix.width & 0x1f) ?
+ ((image.pix.width & 0xf) ? 8 : 16) : 32) : 64;
+ passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 &&
+ sensor_ep->bus.parallel.bus_width >= 16);
+ passthrough_bits = 16;
+ break;
+ case V4L2_PIX_FMT_YUYV:
+ case V4L2_PIX_FMT_UYVY:
+ burst_size = (image.pix.width & 0x1f) ?
+ ((image.pix.width & 0xf) ? 8 : 16) : 32;
+ passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 &&
+ sensor_ep->bus.parallel.bus_width >= 16);
+ passthrough_bits = 16;
+ break;
default:
burst_size = (image.pix.width & 0xf) ? 8 : 16;
passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 &&