[PATCH v2 06/14] v4l: vsp1: Add pipe index argument to the VSP-DU API
Laurent Pinchart
laurent.pinchart+renesas at ideasonboard.com
Mon Jun 26 18:12:18 UTC 2017
In the H3 ES2.0 SoC the VSP2-DL instance has two connections to DU
channels that need to be configured independently. Extend the VSP-DU API
with a pipeline index to identify which pipeline the caller wants to
operate on.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
---
drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 12 ++++++------
drivers/media/platform/vsp1/vsp1_drm.c | 32 ++++++++++++++++++++++----------
include/media/vsp1.h | 10 ++++++----
3 files changed, 34 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index f870445ebc8d..d46dce054442 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -81,22 +81,22 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
*/
crtc->group->need_restart = true;
- vsp1_du_setup_lif(crtc->vsp->vsp, &cfg);
+ vsp1_du_setup_lif(crtc->vsp->vsp, 0, &cfg);
}
void rcar_du_vsp_disable(struct rcar_du_crtc *crtc)
{
- vsp1_du_setup_lif(crtc->vsp->vsp, NULL);
+ vsp1_du_setup_lif(crtc->vsp->vsp, 0, NULL);
}
void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc)
{
- vsp1_du_atomic_begin(crtc->vsp->vsp);
+ vsp1_du_atomic_begin(crtc->vsp->vsp, 0);
}
void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc)
{
- vsp1_du_atomic_flush(crtc->vsp->vsp);
+ vsp1_du_atomic_flush(crtc->vsp->vsp, 0);
}
/* Keep the two tables in sync. */
@@ -192,7 +192,7 @@ static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
}
}
- vsp1_du_atomic_update(plane->vsp->vsp, plane->index, &cfg);
+ vsp1_du_atomic_update(plane->vsp->vsp, 0, plane->index, &cfg);
}
static int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane,
@@ -292,7 +292,7 @@ static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
if (plane->state->crtc)
rcar_du_vsp_plane_setup(rplane);
else
- vsp1_du_atomic_update(rplane->vsp->vsp, rplane->index, NULL);
+ vsp1_du_atomic_update(rplane->vsp->vsp, 0, rplane->index, NULL);
}
static const struct drm_plane_helper_funcs rcar_du_vsp_plane_helper_funcs = {
diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c
index c72d021ff820..daaafe7885fa 100644
--- a/drivers/media/platform/vsp1/vsp1_drm.c
+++ b/drivers/media/platform/vsp1/vsp1_drm.c
@@ -58,21 +58,26 @@ EXPORT_SYMBOL_GPL(vsp1_du_init);
/**
* vsp1_du_setup_lif - Setup the output part of the VSP pipeline
* @dev: the VSP device
+ * @pipe_index: the DRM pipeline index
* @cfg: the LIF configuration
*
* Configure the output part of VSP DRM pipeline for the given frame @cfg.width
- * and @cfg.height. This sets up formats on the BRU source pad, the WPF0 sink
- * and source pads, and the LIF sink pad.
+ * and @cfg.height. This sets up formats on the blend unit (BRU or BRS) source
+ * pad, the WPF sink and source pads, and the LIF sink pad.
*
- * As the media bus code on the BRU source pad is conditioned by the
- * configuration of the BRU sink 0 pad, we also set up the formats on all BRU
+ * The @pipe_index argument selects which DRM pipeline to setup. The number of
+ * available pipelines depend on the VSP instance.
+ *
+ * As the media bus code on the blend unit source pad is conditioned by the
+ * configuration of its sink 0 pad, we also set up the formats on all blend unit
* sinks, even if the configuration will be overwritten later by
- * vsp1_du_setup_rpf(). This ensures that the BRU configuration is set to a well
- * defined state.
+ * vsp1_du_setup_rpf(). This ensures that the blend unit configuration is set to
+ * a well defined state.
*
* Return 0 on success or a negative error code on failure.
*/
-int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg)
+int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
+ const struct vsp1_du_lif_config *cfg)
{
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
struct vsp1_pipeline *pipe = &vsp1->drm->pipe;
@@ -81,6 +86,9 @@ int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg)
unsigned int i;
int ret;
+ if (pipe_index > 0)
+ return -EINVAL;
+
if (!cfg) {
/*
* NULL configuration means the CRTC is being disabled, stop
@@ -232,8 +240,9 @@ EXPORT_SYMBOL_GPL(vsp1_du_setup_lif);
/**
* vsp1_du_atomic_begin - Prepare for an atomic update
* @dev: the VSP device
+ * @pipe_index: the DRM pipeline index
*/
-void vsp1_du_atomic_begin(struct device *dev)
+void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index)
{
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
struct vsp1_pipeline *pipe = &vsp1->drm->pipe;
@@ -245,6 +254,7 @@ EXPORT_SYMBOL_GPL(vsp1_du_atomic_begin);
/**
* vsp1_du_atomic_update - Setup one RPF input of the VSP pipeline
* @dev: the VSP device
+ * @pipe_index: the DRM pipeline index
* @rpf_index: index of the RPF to setup (0-based)
* @cfg: the RPF configuration
*
@@ -271,7 +281,8 @@ EXPORT_SYMBOL_GPL(vsp1_du_atomic_begin);
*
* Return 0 on success or a negative error code on failure.
*/
-int vsp1_du_atomic_update(struct device *dev, unsigned int rpf_index,
+int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
+ unsigned int rpf_index,
const struct vsp1_du_atomic_config *cfg)
{
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
@@ -437,8 +448,9 @@ static unsigned int rpf_zpos(struct vsp1_device *vsp1, struct vsp1_rwpf *rpf)
/**
* vsp1_du_atomic_flush - Commit an atomic update
* @dev: the VSP device
+ * @pipe_index: the DRM pipeline index
*/
-void vsp1_du_atomic_flush(struct device *dev)
+void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index)
{
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
struct vsp1_pipeline *pipe = &vsp1->drm->pipe;
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
index c837383b2013..c8fc868fb0f2 100644
--- a/include/media/vsp1.h
+++ b/include/media/vsp1.h
@@ -38,7 +38,8 @@ struct vsp1_du_lif_config {
void *callback_data;
};
-int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg);
+int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
+ const struct vsp1_du_lif_config *cfg);
struct vsp1_du_atomic_config {
u32 pixelformat;
@@ -50,10 +51,11 @@ struct vsp1_du_atomic_config {
unsigned int zpos;
};
-void vsp1_du_atomic_begin(struct device *dev);
-int vsp1_du_atomic_update(struct device *dev, unsigned int rpf,
+void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index);
+int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
+ unsigned int rpf,
const struct vsp1_du_atomic_config *cfg);
-void vsp1_du_atomic_flush(struct device *dev);
+void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index);
int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
--
Regards,
Laurent Pinchart
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