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authorSteve Longerbeam <slongerbeam@gmail.com>2014-06-25 18:05:52 -0700
committerPhilipp Zabel <p.zabel@pengutronix.de>2014-09-02 14:55:54 +0200
commit2094b603ae59be6785e52a00d09b47b6ae910154 (patch)
tree3d81e8539269ee774bc19e4f6f218b2a59403d68 /drivers/gpu/ipu-v3
parentc42d37ca421aa222e8f27744d4129bce726a3724 (diff)
downloadlinux-2094b603ae59be6785e52a00d09b47b6ae910154.tar.bz2
gpu: ipu-cpmem: Add second buffer support to ipu_cpmem_set_image()
Add a second buffer physaddr to struct ipu_image, for double-buffering support. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/ipu-v3')
-rw-r--r--drivers/gpu/ipu-v3/ipu-cpmem.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index f52e4b4e172f..cfe2f53f2c17 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -538,7 +538,7 @@ EXPORT_SYMBOL_GPL(ipu_cpmem_set_fmt);
int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image)
{
struct v4l2_pix_format *pix = &image->pix;
- int y_offset, u_offset, v_offset;
+ int offset, y_offset, u_offset, v_offset;
pr_debug("%s: resolution: %dx%d stride: %d\n",
__func__, pix->width, pix->height,
@@ -560,30 +560,30 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image)
ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat,
pix->bytesperline, u_offset, v_offset);
- ipu_cpmem_set_buffer(ch, 0, image->phys + y_offset);
+ ipu_cpmem_set_buffer(ch, 0, image->phys0 + y_offset);
+ ipu_cpmem_set_buffer(ch, 1, image->phys1 + y_offset);
break;
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YUYV:
- ipu_cpmem_set_buffer(ch, 0, image->phys +
- image->rect.left * 2 +
- image->rect.top * image->pix.bytesperline);
+ case V4L2_PIX_FMT_RGB565:
+ offset = image->rect.left * 2 +
+ image->rect.top * pix->bytesperline;
+ ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset);
+ ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset);
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_BGR32:
- ipu_cpmem_set_buffer(ch, 0, image->phys +
- image->rect.left * 4 +
- image->rect.top * image->pix.bytesperline);
- break;
- case V4L2_PIX_FMT_RGB565:
- ipu_cpmem_set_buffer(ch, 0, image->phys +
- image->rect.left * 2 +
- image->rect.top * image->pix.bytesperline);
+ offset = image->rect.left * 4 +
+ image->rect.top * pix->bytesperline;
+ ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset);
+ ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset);
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_BGR24:
- ipu_cpmem_set_buffer(ch, 0, image->phys +
- image->rect.left * 3 +
- image->rect.top * image->pix.bytesperline);
+ offset = image->rect.left * 3 +
+ image->rect.top * pix->bytesperline;
+ ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset);
+ ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset);
break;
default:
return -EINVAL;