[PATCH v7 28/34] media: imx: csi: increase burst size for YUV formats

[Steve Longerbeam]

From: Philipp Zabel <p.za...@pengutronix.de>

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.za...@pengutronix.de>
---
 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 7defe53..e26c025 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 &&
-- 
2.7.4