openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[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 <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Philipp Zabel 2017-06-07 15:34:06 -03:00 committed by Mauro Carvalho Chehab
parent c8da8c03d2
commit 6f30359239
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/staging/media/imx/imx-media-csi.c
View File

@ -333,6 +333,23 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
passthrough = true; passthrough = true;
passthrough_bits = 16; passthrough_bits = 16;
break; 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: default:
burst_size = (image.pix.width & 0xf) ? 8 : 16; burst_size = (image.pix.width & 0xf) ? 8 : 16;
passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 && passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 &&