[PATCH] gpu: ipu-cpmem: add 8-bit grayscale support to ipu_cpmem_set_image

[Philipp Zabel]

Add the missing offset calculation for grayscale images. Since the IPU
only supports capturing greyscale in raw passthrough mode, it is the
same as 8-bit bayer formats.

Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
---
 drivers/gpu/ipu-v3/ipu-cpmem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index bb9c087e6c0d2..ef32377b91c08 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -788,6 +788,7 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image)
 	case V4L2_PIX_FMT_SGBRG8:
 	case V4L2_PIX_FMT_SGRBG8:
 	case V4L2_PIX_FMT_SRGGB8:
+	case V4L2_PIX_FMT_GREY:
 		offset = image->rect.left + image->rect.top * pix->bytesperline;
 		break;
 	case V4L2_PIX_FMT_SBGGR16:
-- 
2.11.0