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-rw-r--r--drivers/media/platform/vsp1/vsp1_drm.c11
-rw-r--r--include/media/vsp1.h2
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c
index b9c0f695d002..8d86f618ec77 100644
--- a/drivers/media/platform/vsp1/vsp1_drm.c
+++ b/drivers/media/platform/vsp1/vsp1_drm.c
@@ -770,6 +770,7 @@ int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
struct vsp1_drm_pipeline *drm_pipe = &vsp1->drm->pipe[pipe_index];
const struct vsp1_format_info *fmtinfo;
+ unsigned int chroma_hsub;
struct vsp1_rwpf *rpf;
if (rpf_index >= vsp1->info->rpf_count)
@@ -810,10 +811,18 @@ int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
return -EINVAL;
}
+ /*
+ * Only formats with three planes can affect the chroma planes pitch.
+ * All formats with two planes have a horizontal subsampling value of 2,
+ * but combine U and V in a single chroma plane, which thus results in
+ * the luma plane and chroma plane having the same pitch.
+ */
+ chroma_hsub = (fmtinfo->planes == 3) ? fmtinfo->hsub : 1;
+
rpf->fmtinfo = fmtinfo;
rpf->format.num_planes = fmtinfo->planes;
rpf->format.plane_fmt[0].bytesperline = cfg->pitch;
- rpf->format.plane_fmt[1].bytesperline = cfg->pitch;
+ rpf->format.plane_fmt[1].bytesperline = cfg->pitch / chroma_hsub;
rpf->alpha = cfg->alpha;
rpf->mem.addr[0] = cfg->mem[0];
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
index dbe64dcb356a..1cf868360701 100644
--- a/include/media/vsp1.h
+++ b/include/media/vsp1.h
@@ -42,7 +42,7 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
/**
* struct vsp1_du_atomic_config - VSP atomic configuration parameters
* @pixelformat: plane pixel format (V4L2 4CC)
- * @pitch: line pitch in bytes, for all planes
+ * @pitch: line pitch in bytes for the first plane
* @mem: DMA memory address for each plane of the frame buffer
* @src: source rectangle in the frame buffer (integer coordinates)
* @dst: destination rectangle on the display (integer coordinates)