1 files changed, 23 insertions, 13 deletions

diff --git a/drivers/staging/media/rkisp1/rkisp1-resizer.c b/drivers/staging/media/rkisp1/rkisp1-resizer.c
index 87799fbf0363..d049374413dc 100644
--- a/drivers/staging/media/rkisp1/rkisp1-resizer.c
+++ b/drivers/staging/media/rkisp1/rkisp1-resizer.c
@@ -14,7 +14,7 @@
 #define RKISP1_RSZ_MP_DEV_NAME	RKISP1_DRIVER_NAME "_resizer_mainpath"
 
 #define RKISP1_DEF_FMT MEDIA_BUS_FMT_YUYV8_2X8
-#define RKISP1_DEF_FMT_TYPE RKISP1_FMT_YUV
+#define RKISP1_DEF_PIXEL_ENC V4L2_PIXEL_ENC_YUV
 
 #define RKISP1_MBUS_FMT_HDIV 2
 #define RKISP1_MBUS_FMT_VDIV 1
@@ -365,13 +365,18 @@ static void rkisp1_rsz_config(struct rkisp1_resizer *rsz,
 	struct v4l2_rect sink_y, sink_c, src_y, src_c;
 	struct v4l2_mbus_framefmt *src_fmt;
 	struct v4l2_rect *sink_crop;
+	struct rkisp1_capture *cap = &rsz->rkisp1->capture_devs[rsz->id];
 
 	sink_crop = rkisp1_rsz_get_pad_crop(rsz, NULL, RKISP1_RSZ_PAD_SINK,
 					    V4L2_SUBDEV_FORMAT_ACTIVE);
 	src_fmt = rkisp1_rsz_get_pad_fmt(rsz, NULL, RKISP1_RSZ_PAD_SRC,
 					 V4L2_SUBDEV_FORMAT_ACTIVE);
 
-	if (rsz->fmt_type == RKISP1_FMT_BAYER) {
+	/*
+	 * The resizer only works on yuv formats,
+	 * so return if it is bayer format.
+	 */
+	if (rsz->pixel_enc == V4L2_PIXEL_ENC_BAYER) {
 		rkisp1_rsz_disable(rsz, when);
 		return;
 	}
@@ -384,15 +389,20 @@ static void rkisp1_rsz_config(struct rkisp1_resizer *rsz,
 	sink_c.width = sink_y.width / RKISP1_MBUS_FMT_HDIV;
 	sink_c.height = sink_y.height / RKISP1_MBUS_FMT_VDIV;
 
-	if (rsz->fmt_type == RKISP1_FMT_YUV) {
-		struct rkisp1_capture *cap =
-			&rsz->rkisp1->capture_devs[rsz->id];
-		const struct v4l2_format_info *pixfmt_info =
-			v4l2_format_info(cap->pix.fmt.pixelformat);
-
-		hdiv = pixfmt_info->hdiv;
-		vdiv = pixfmt_info->vdiv;
+	/*
+	 * The resizer is used not only to change the dimensions of the frame
+	 * but also to change the scale for YUV formats,
+	 * (4:2:2 -> 4:2:0 for example). So the width/height of the CbCr
+	 * streams should be set according to the pixel format in the capture.
+	 * The resizer always gets the input as YUV422. If the capture format
+	 * is RGB then the memory input should be YUV422 so we don't change the
+	 * default hdiv, vdiv in that case.
+	 */
+	if (v4l2_is_format_yuv(cap->pix.info)) {
+		hdiv = cap->pix.info->hdiv;
+		vdiv = cap->pix.info->vdiv;
 	}
+
 	src_c.width = src_y.width / hdiv;
 	src_c.height = src_y.height / vdiv;
 
@@ -498,7 +508,7 @@ static void rkisp1_rsz_set_sink_crop(struct rkisp1_resizer *rsz,
 	mbus_info = rkisp1_isp_mbus_info_get(sink_fmt->code);
 
 	if (rsz->id == RKISP1_MAINPATH &&
-	    mbus_info->fmt_type == RKISP1_FMT_BAYER) {
+	    mbus_info->pixel_enc == V4L2_PIXEL_ENC_BAYER) {
 		sink_crop->left = 0;
 		sink_crop->top = 0;
 		sink_crop->width = sink_fmt->width;
@@ -537,7 +547,7 @@ static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz,
 		mbus_info = rkisp1_isp_mbus_info_get(sink_fmt->code);
 	}
 	if (which == V4L2_SUBDEV_FORMAT_ACTIVE)
-		rsz->fmt_type = mbus_info->fmt_type;
+		rsz->pixel_enc = mbus_info->pixel_enc;
 
 	/* Propagete to source pad */
 	src_fmt->code = sink_fmt->code;
@@ -722,7 +732,7 @@ static int rkisp1_rsz_register(struct rkisp1_resizer *rsz)
 	pads[RKISP1_RSZ_PAD_SRC].flags = MEDIA_PAD_FL_SOURCE |
 					 MEDIA_PAD_FL_MUST_CONNECT;
 
-	rsz->fmt_type = RKISP1_DEF_FMT_TYPE;
+	rsz->pixel_enc = RKISP1_DEF_PIXEL_ENC;
 
 	mutex_init(&rsz->ops_lock);
 	ret = media_entity_pads_init(&sd->entity, 2, pads);