media: bttv: remove crop info from bttv_buffer

Instead of storing the cropping parameters in each bttv buffer separately,
just use the global bttv crop because it won't change per buffer.
Signed-off-by: Deborah Brouwer <deborah.brouwer@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/pci/bt8xx/bttv-driver.c

@@ -1554,15 +1554,15 @@ static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
 	if (buf->vb.width != width || buf->vb.height != height ||
 	    buf->vb.field != field ||
 	    btv->tvnorm != norm || btv->fmt != fmt ||
-	    buf->crop.top != c.rect.top ||
-	    buf->crop.left != c.rect.left ||
-	    buf->crop.width != c.rect.width ||
-	    buf->crop.height != c.rect.height) {
+	    btv->crop[!!btv->do_crop].rect.top != c.rect.top ||
+	    btv->crop[!!btv->do_crop].rect.left != c.rect.left ||
+	    btv->crop[!!btv->do_crop].rect.width != c.rect.width ||
+	    btv->crop[!!btv->do_crop].rect.height != c.rect.height) {
 		buf->vb.width  = width;
 		buf->vb.height = height;
 		buf->vb.field  = field;
 		btv->tvnorm    = norm;
-		buf->crop      = c.rect;
+		btv->crop[!!btv->do_crop].rect = c.rect;
 		redo_dma_risc = 1;
 	}
 

drivers/media/pci/bt8xx/bttv-risc.c

@@ -620,7 +620,7 @@ bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
 
 		bttv_calc_geo(btv,&buf->geo,buf->vb.width,buf->vb.height,
 			      V4L2_FIELD_HAS_BOTH(buf->vb.field),
-			      tvnorm,&buf->crop);
+			      tvnorm, &btv->crop[!!btv->do_crop].rect);
 
 		switch (buf->vb.field) {
 		case V4L2_FIELD_TOP:
@@ -674,7 +674,7 @@ bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
 		case V4L2_FIELD_TOP:
 			bttv_calc_geo(btv,&buf->geo,buf->vb.width,
 				      buf->vb.height,/* both_fields */ 0,
-				      tvnorm,&buf->crop);
+				      tvnorm, &btv->crop[!!btv->do_crop].rect);
 			bttv_risc_planar(btv, &buf->top, dma->sglist,
 					 0,buf->vb.width,0,buf->vb.height,
 					 uoffset, voffset, btv->fmt->hshift,
@@ -683,7 +683,7 @@ bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
 		case V4L2_FIELD_BOTTOM:
 			bttv_calc_geo(btv,&buf->geo,buf->vb.width,
 				      buf->vb.height,0,
-				      tvnorm,&buf->crop);
+				      tvnorm, &btv->crop[!!btv->do_crop].rect);
 			bttv_risc_planar(btv, &buf->bottom, dma->sglist,
 					 0,buf->vb.width,0,buf->vb.height,
 					 uoffset, voffset, btv->fmt->hshift,
@@ -692,7 +692,7 @@ bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
 		case V4L2_FIELD_INTERLACED:
 			bttv_calc_geo(btv,&buf->geo,buf->vb.width,
 				      buf->vb.height,1,
-				      tvnorm,&buf->crop);
+				      tvnorm, &btv->crop[!!btv->do_crop].rect);
 			lines    = buf->vb.height >> 1;
 			ypadding = buf->vb.width;
 			cpadding = buf->vb.width >> btv->fmt->hshift;
@@ -715,7 +715,7 @@ bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
 		case V4L2_FIELD_SEQ_TB:
 			bttv_calc_geo(btv,&buf->geo,buf->vb.width,
 				      buf->vb.height,1,
-				      tvnorm,&buf->crop);
+				      tvnorm, &btv->crop[!!btv->do_crop].rect);
 			lines    = buf->vb.height >> 1;
 			ypadding = buf->vb.width;
 			cpadding = buf->vb.width >> btv->fmt->hshift;
@@ -746,7 +746,7 @@ bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
 		/* build risc code */
 		buf->vb.field = V4L2_FIELD_SEQ_TB;
 		bttv_calc_geo(btv,&buf->geo,tvnorm->swidth,tvnorm->sheight,
-			      1,tvnorm,&buf->crop);
+			      1, tvnorm, &btv->crop[!!btv->do_crop].rect);
 		bttv_risc_packed(btv, &buf->top,  dma->sglist,
 				 /* offset */ 0, RAW_BPL, /* padding */ 0,
 				 /* skip_lines */ 0, RAW_LINES);

drivers/media/pci/bt8xx/bttvp.h

@@ -150,7 +150,6 @@ struct bttv_buffer {
 	struct bttv_geometry       geo;
 	struct btcx_riscmem        top;
 	struct btcx_riscmem        bottom;
-	struct v4l2_rect           crop;
 	unsigned int               vbi_skip[2];
 	unsigned int               vbi_count[2];
 };