The code that initializes the RPF format-related fields for display
pipelines will also be useful for the WPF to implement writeback
support. Split it from vsp1_du_atomic_update() to a new
vsp1_du_pipeline_set_rwpf_format() function.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/vsp1/vsp1_drm.c | 55 ++++++++++++++++----------
1 file changed, 35 insertions(+), 20 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c
index 4f1bc51d1ef4..5601a787688b 100644
--- a/drivers/media/platform/vsp1/vsp1_drm.c
+++ b/drivers/media/platform/vsp1/vsp1_drm.c
@@ -566,6 +566,36 @@ static void vsp1_du_pipeline_configure(struct vsp1_pipeline *pipe)
vsp1_dl_list_commit(dl, dl_flags);
}
+static int vsp1_du_pipeline_set_rwpf_format(struct vsp1_device *vsp1,
+ struct vsp1_rwpf *rwpf,
+ u32 pixelformat, unsigned int pitch)
+{
+ const struct vsp1_format_info *fmtinfo;
+ unsigned int chroma_hsub;
+
+ fmtinfo = vsp1_get_format_info(vsp1, pixelformat);
+ if (!fmtinfo) {
+ dev_dbg(vsp1->dev, "Unsupported pixel format %08x for RPF\n",
+ pixelformat);
+ 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;
+
+ rwpf->fmtinfo = fmtinfo;
+ rwpf->format.num_planes = fmtinfo->planes;
+ rwpf->format.plane_fmt[0].bytesperline = pitch;
+ rwpf->format.plane_fmt[1].bytesperline = pitch / chroma_hsub;
+
+ return 0;
+}
+
/* -----------------------------------------------------------------------------
* DU Driver API
*/
@@ -773,9 +803,8 @@ 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;
+ int ret;
if (rpf_index >= vsp1->info->rpf_count)
return -EINVAL;
@@ -808,25 +837,11 @@ int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
* Store the format, stride, memory buffer address, crop and compose
* rectangles and Z-order position and for the input.
*/
- fmtinfo = vsp1_get_format_info(vsp1, cfg->pixelformat);
- if (!fmtinfo) {
- dev_dbg(vsp1->dev, "Unsupported pixel format %08x for RPF\n",
- cfg->pixelformat);
- return -EINVAL;
- }
+ ret = vsp1_du_pipeline_set_rwpf_format(vsp1, rpf, cfg->pixelformat,
+ cfg->pitch);
+ if (ret < 0)
+ return ret;
- /*
- * 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 / chroma_hsub;
rpf->alpha = cfg->alpha;
rpf->mem.addr[0] = cfg->mem[0];
--
Regards,
Laurent Pinchart
