In order to make the vsp1_du_setup_lif() easier to read, and for
symmetry with the DRM pipeline input setup, move the pipeline output
setup code to a separate function.
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
--
Changes since v1:
- Rename vsp1_du_pipeline_setup_input() to
vsp1_du_pipeline_setup_inputs()
- Initialize format local variable to 0 in
vsp1_du_pipeline_setup_output()
---
drivers/media/platform/vsp1/vsp1_drm.c | 114 ++++++++++++++++++---------------
1 file changed, 64 insertions(+), 50 deletions(-)
diff --git a/drivers/media/platform/vsp1/vsp1_drm.c
b/drivers/media/platform/vsp1/vsp1_drm.c
index 00ce99bd1605..a7cccc9b05ef 100644
--- a/drivers/media/platform/vsp1/vsp1_drm.c
+++ b/drivers/media/platform/vsp1/vsp1_drm.c
@@ -193,8 +193,8 @@ static unsigned int rpf_zpos(struct vsp1_device *vsp1,
struct vsp1_rwpf *rpf)
}
/* Setup the input side of the pipeline (RPFs and BRU). */
-static int vsp1_du_pipeline_setup_input(struct vsp1_device *vsp1,
- struct vsp1_pipeline *pipe)
+static int vsp1_du_pipeline_setup_inputs(struct vsp1_device *vsp1,
+ struct vsp1_pipeline *pipe)
{
struct vsp1_rwpf *inputs[VSP1_MAX_RPF] = { NULL, };
struct vsp1_bru *bru = to_bru(&pipe->bru->subdev);
@@ -276,6 +276,65 @@ static int vsp1_du_pipeline_setup_input(struct vsp1_device
*vsp1,
return 0;
}
+/* Setup the output side of the pipeline (WPF and LIF). */
+static int vsp1_du_pipeline_setup_output(struct vsp1_device *vsp1,
+ struct vsp1_pipeline *pipe)
+{
+ struct vsp1_drm_pipeline *drm_pipe = to_vsp1_drm_pipeline(pipe);
+ struct v4l2_subdev_format format = { 0, };
+ int ret;
+
+ format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+ format.pad = RWPF_PAD_SINK;
+ format.format.width = drm_pipe->width;
+ format.format.height = drm_pipe->height;
+ format.format.code = MEDIA_BUS_FMT_ARGB8888_1X32;
+ format.format.field = V4L2_FIELD_NONE;
+
+ ret = v4l2_subdev_call(&pipe->output->entity.subdev, pad, set_fmt, NULL,
+ &format);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on WPF%u sink\n",
+ __func__, format.format.width, format.format.height,
+ format.format.code, pipe->output->entity.index);
+
+ format.pad = RWPF_PAD_SOURCE;
+ ret = v4l2_subdev_call(&pipe->output->entity.subdev, pad, get_fmt, NULL,
+ &format);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(vsp1->dev, "%s: got format %ux%u (%x) on WPF%u source\n",
+ __func__, format.format.width, format.format.height,
+ format.format.code, pipe->output->entity.index);
+
+ format.pad = LIF_PAD_SINK;
+ ret = v4l2_subdev_call(&pipe->lif->subdev, pad, set_fmt, NULL,
+ &format);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on LIF%u sink\n",
+ __func__, format.format.width, format.format.height,
+ format.format.code, pipe->lif->index);
+
+ /*
+ * Verify that the format at the output of the pipeline matches the
+ * requested frame size and media bus code.
+ */
+ if (format.format.width != drm_pipe->width ||
+ format.format.height != drm_pipe->height ||
+ format.format.code != MEDIA_BUS_FMT_ARGB8888_1X32) {
+ dev_dbg(vsp1->dev, "%s: format mismatch on LIF%u\n", __func__,
+ pipe->lif->index);
+ return -EPIPE;
+ }
+
+ return 0;
+}
+
/* Configure all entities in the pipeline. */
static void vsp1_du_pipeline_configure(struct vsp1_pipeline *pipe)
{
@@ -356,7 +415,6 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int
pipe_index,
struct vsp1_drm_pipeline *drm_pipe;
struct vsp1_pipeline *pipe;
struct vsp1_bru *bru;
- struct v4l2_subdev_format format;
unsigned long flags;
unsigned int i;
int ret;
@@ -413,58 +471,14 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int
pipe_index,
__func__, pipe_index, cfg->width, cfg->height);
/* Setup formats through the pipeline. */
- ret = vsp1_du_pipeline_setup_input(vsp1, pipe);
- if (ret < 0)
- return ret;
-
- memset(&format, 0, sizeof(format));
- format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
- format.pad = RWPF_PAD_SINK;
- format.format.width = cfg->width;
- format.format.height = cfg->height;
- format.format.code = MEDIA_BUS_FMT_ARGB8888_1X32;
- format.format.field = V4L2_FIELD_NONE;
-
- ret = v4l2_subdev_call(&pipe->output->entity.subdev, pad, set_fmt, NULL,
- &format);
- if (ret < 0)
- return ret;
-
- dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on WPF%u sink\n",
- __func__, format.format.width, format.format.height,
- format.format.code, pipe->output->entity.index);
-
- format.pad = RWPF_PAD_SOURCE;
- ret = v4l2_subdev_call(&pipe->output->entity.subdev, pad, get_fmt, NULL,
- &format);
+ ret = vsp1_du_pipeline_setup_inputs(vsp1, pipe);
if (ret < 0)
return ret;
- dev_dbg(vsp1->dev, "%s: got format %ux%u (%x) on WPF%u source\n",
- __func__, format.format.width, format.format.height,
- format.format.code, pipe->output->entity.index);
-
- format.pad = LIF_PAD_SINK;
- ret = v4l2_subdev_call(&pipe->lif->subdev, pad, set_fmt, NULL,
- &format);
+ ret = vsp1_du_pipeline_setup_output(vsp1, pipe);
if (ret < 0)
return ret;
- dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on LIF%u sink\n",
- __func__, format.format.width, format.format.height,
- format.format.code, pipe_index);
-
- /*
- * Verify that the format at the output of the pipeline matches the
- * requested frame size and media bus code.
- */
- if (format.format.width != cfg->width ||
- format.format.height != cfg->height ||
- format.format.code != MEDIA_BUS_FMT_ARGB8888_1X32) {
- dev_dbg(vsp1->dev, "%s: format mismatch\n", __func__);
- return -EPIPE;
- }
-
/* Enable the VSP1. */
ret = vsp1_device_get(vsp1);
if (ret < 0)
@@ -612,7 +626,7 @@ void vsp1_du_atomic_flush(struct device *dev, unsigned int
pipe_index)
struct vsp1_drm_pipeline *drm_pipe = &vsp1->drm->pipe[pipe_index];
struct vsp1_pipeline *pipe = &drm_pipe->pipe;
- vsp1_du_pipeline_setup_input(vsp1, pipe);
+ vsp1_du_pipeline_setup_inputs(vsp1, pipe);
vsp1_du_pipeline_configure(pipe);
}
EXPORT_SYMBOL_GPL(vsp1_du_atomic_flush);
--
Regards,
Laurent Pinchart
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