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Commit 6f303592 authored by Philipp Zabel's avatar Philipp Zabel Committed by Mauro Carvalho Chehab
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[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: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent c8da8c03

drivers/staging/media/imx/imx-media-csi.c

+17 −0
Original line number Diff line number Diff line
@@ -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 &&