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authorTakanari Hayama <taki@igel.co.jp>2014-11-26 22:25:01 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-12-23 09:31:58 -0200
commit857161fc7d3734f8fd8707f1bc756c1158694371 (patch)
tree2bd5c8df3abfb08765749aa8f823c259fc2abcc4 /drivers/media/platform
parent32d17597d3e299ffe8b07e3afc12f8074e7ae483 (diff)
[media] v4l: vsp1: Reset VSP1 RPF source address
Source address of VSP1 RPF needs to be reset whenever crop offsets are recalculated. This correctly reflects a crop setting even VIDIOC_QBUF is called before VIDIOC_STREAMON is called. Signed-off-by: Takanari Hayama <taki@igel.co.jp> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/vsp1/vsp1_rpf.c18
-rw-r--r--drivers/media/platform/vsp1/vsp1_rwpf.h1
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c
index d14d26b718ef..3294529a3108 100644
--- a/drivers/media/platform/vsp1/vsp1_rpf.c
+++ b/drivers/media/platform/vsp1/vsp1_rpf.c
@@ -106,11 +106,22 @@ static int rpf_s_stream(struct v4l2_subdev *subdev, int enable)
+ crop->left * fmtinfo->bpp[0] / 8;
pstride = format->plane_fmt[0].bytesperline
<< VI6_RPF_SRCM_PSTRIDE_Y_SHIFT;
+
+ vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y,
+ rpf->buf_addr[0] + rpf->offsets[0]);
+
if (format->num_planes > 1) {
rpf->offsets[1] = crop->top * format->plane_fmt[1].bytesperline
+ crop->left * fmtinfo->bpp[1] / 8;
pstride |= format->plane_fmt[1].bytesperline
<< VI6_RPF_SRCM_PSTRIDE_C_SHIFT;
+
+ vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0,
+ rpf->buf_addr[1] + rpf->offsets[1]);
+
+ if (format->num_planes > 2)
+ vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1,
+ rpf->buf_addr[2] + rpf->offsets[1]);
}
vsp1_rpf_write(rpf, VI6_RPF_SRCM_PSTRIDE, pstride);
@@ -179,6 +190,13 @@ static void rpf_vdev_queue(struct vsp1_video *video,
struct vsp1_video_buffer *buf)
{
struct vsp1_rwpf *rpf = container_of(video, struct vsp1_rwpf, video);
+ unsigned int i;
+
+ for (i = 0; i < 3; ++i)
+ rpf->buf_addr[i] = buf->addr[i];
+
+ if (!vsp1_entity_is_streaming(&rpf->entity))
+ return;
vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y,
buf->addr[0] + rpf->offsets[0]);
diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.h b/drivers/media/platform/vsp1/vsp1_rwpf.h
index 28dd9e7b3838..2cf1f13d3bf9 100644
--- a/drivers/media/platform/vsp1/vsp1_rwpf.h
+++ b/drivers/media/platform/vsp1/vsp1_rwpf.h
@@ -39,6 +39,7 @@ struct vsp1_rwpf {
struct v4l2_rect crop;
unsigned int offsets[2];
+ dma_addr_t buf_addr[3];
};
static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)