[PATCH v2 11/13] drm: rcar-du: Add alpha support for VSP planes

Laurent Pinchart
2016-04-25T21:36:28Z

Make the global alpha multiplier of VSP planes configurable through the
alpha property, exactly as for the native DU planes.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 38 +++++++++++++++++------------------
1 file changed, 19 insertions(+), 19 deletions(-)

Cc: dri-devel@lists.freedesktop.org

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index de7ef041182b..8c89a6401542 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -148,40 +148,41 @@ static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
struct rcar_du_vsp_plane_state *state =
to_rcar_vsp_plane_state(plane->plane.state);
struct drm_framebuffer *fb = plane->plane.state->fb;
- struct v4l2_rect src;
- struct v4l2_rect dst;
- dma_addr_t paddr[2] = { 0, };
- u32 pixelformat = 0;
+ struct vsp1_du_atomic_config cfg = {
+ .pixelformat = 0,
+ .pitch = fb->pitches[0],
+ .alpha = state->alpha,
+ .zpos = 0,
+ };
unsigned int i;

- src.left = state->state.src_x >> 16;
- src.top = state->state.src_y >> 16;
- src.width = state->state.src_w >> 16;
- src.height = state->state.src_h >> 16;
+ cfg.src.left = state->state.src_x >> 16;
+ cfg.src.top = state->state.src_y >> 16;
+ cfg.src.width = state->state.src_w >> 16;
+ cfg.src.height = state->state.src_h >> 16;

- dst.left = state->state.crtc_x;
- dst.top = state->state.crtc_y;
- dst.width = state->state.crtc_w;
- dst.height = state->state.crtc_h;
+ cfg.dst.left = state->state.crtc_x;
+ cfg.dst.top = state->state.crtc_y;
+ cfg.dst.width = state->state.crtc_w;
+ cfg.dst.height = state->state.crtc_h;

for (i = 0; i < state->format->planes; ++i) {
struct drm_gem_cma_object *gem;

gem = drm_fb_cma_get_gem_obj(fb, i);
- paddr[i] = gem->paddr + fb->offsets[i];
+ cfg.mem[i] = gem->paddr + fb->offsets[i];
}

for (i = 0; i < ARRAY_SIZE(formats_kms); ++i) {
if (formats_kms[i] == state->format->fourcc) {
- pixelformat = formats_v4l2[i];
+ cfg.pixelformat = formats_v4l2[i];
break;
}
}

- WARN_ON(!pixelformat);
+ WARN_ON(!cfg.pixelformat);

- vsp1_du_atomic_update(plane->vsp->vsp, plane->index, pixelformat,
- fb->pitches[0], paddr, &src, &dst);
+ vsp1_du_atomic_update(plane->vsp->vsp, plane->index, &cfg);
}

static int rcar_du_vsp_plane_atomic_check(struct drm_plane *plane,
@@ -220,8 +221,7 @@ 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, 0, 0, 0,
- NULL, NULL);
+ vsp1_du_atomic_update(rplane->vsp->vsp, rplane->index, NULL);
}

static const struct drm_plane_helper_funcs rcar_du_vsp_plane_helper_funcs = {
--
2.7.3