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gpu: ipu-v3: Add chroma plane offset overrides to ipu_cpmem_set_image()

瀏覽代碼 
Allow the caller of ipu_cpmem_set_image() to override the latters
calculation of the chroma plane offsets, by adding override U/V
plane offsets to 'struct ipu_image'.

Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
此提交包含在：
Steve Longerbeam
2018-10-06 14:45:48 -07:00
提交者 Philipp Zabel
父節點 22ec080819
當前提交 dec408fd23
共有 3 個檔案被更改，包括 35 行新增 和 24 行删除
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46
drivers/gpu/ipu-v3/ipu-cpmem.c
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@@ -745,48 +745,56 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image)
switch (pix->pixelformat) {
case V4L2_PIX_FMT_YUV420:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = U_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = V_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
u_offset = image->u_offset ?
image->u_offset : U_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = image->v_offset ?
image->v_offset : V_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_YVU420:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = U_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = V_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
u_offset = image->u_offset ?
image->u_offset : V_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = image->v_offset ?
image->v_offset : U_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2,
v_offset, u_offset);
u_offset, v_offset);
break;
case V4L2_PIX_FMT_YUV422P:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = U2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = V2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
u_offset = image->u_offset ?
image->u_offset : U2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = image->v_offset ?
image->v_offset : V2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_NV12:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = UV_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = 0;
u_offset = image->u_offset ?
image->u_offset : UV_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = image->v_offset ? image->v_offset : 0;
ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline,
u_offset, v_offset);
break;
case V4L2_PIX_FMT_NV16:
offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
u_offset = UV2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = 0;
u_offset = image->u_offset ?
image->u_offset : UV2_OFFSET(pix, image->rect.left,
image->rect.top) - offset;
v_offset = image->v_offset ? image->v_offset : 0;
ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline,
u_offset, v_offset);