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-rw-r--r--drivers/gpu/drm/sun4i/sun4i_backend.c15
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_backend.h2
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_framebuffer.c4
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_layer.c3
4 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index caecae4ca7c4..0cbe9f066f0c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -271,6 +271,21 @@ int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
return 0;
}
+int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend, int layer,
+ struct drm_plane *plane)
+{
+ struct drm_plane_state *state = plane->state;
+ unsigned int priority = state->normalized_zpos;
+
+ DRM_DEBUG_DRIVER("Setting layer %d's priority to %d\n", layer, priority);
+
+ regmap_update_bits(backend->engine.regs, SUN4I_BACKEND_ATTCTL_REG0(layer),
+ SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL_MASK,
+ SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL(priority));
+
+ return 0;
+}
+
static bool sun4i_backend_plane_uses_scaler(struct drm_plane_state *state)
{
u16 src_h = state->src_h >> 16;
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h
index 1ca8b7db6807..04a4f11b87a8 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.h
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.h
@@ -182,5 +182,7 @@ int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
int layer, struct drm_plane *plane);
int sun4i_backend_update_layer_frontend(struct sun4i_backend *backend,
int layer, uint32_t in_fmt);
+int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend,
+ int layer, struct drm_plane *plane);
#endif /* _SUN4I_BACKEND_H_ */
diff --git a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
index 973ee1fc95c9..5f29850ef8ac 100644
--- a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
@@ -29,6 +29,10 @@ static int sun4i_de_atomic_check(struct drm_device *dev,
if (ret)
return ret;
+ ret = drm_atomic_normalize_zpos(dev, state);
+ if (ret)
+ return ret;
+
return drm_atomic_helper_check_planes(dev, state);
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c
index 03549646528a..fbf25d59cf88 100644
--- a/drivers/gpu/drm/sun4i/sun4i_layer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_layer.c
@@ -115,6 +115,7 @@ static void sun4i_backend_layer_atomic_update(struct drm_plane *plane,
}
sun4i_backend_update_layer_coord(backend, layer->id, plane);
+ sun4i_backend_update_layer_zpos(backend, layer->id, plane);
sun4i_backend_layer_enable(backend, layer->id, true);
}
@@ -237,6 +238,8 @@ struct drm_plane **sun4i_layers_init(struct drm_device *drm,
return ERR_CAST(layer);
};
+ drm_plane_create_zpos_immutable_property(&layer->plane, i);
+
DRM_DEBUG_DRIVER("Assigning %s plane to pipe %d\n",
i ? "overlay" : "primary", plane->pipe);
regmap_update_bits(engine->regs, SUN4I_BACKEND_ATTCTL_REG0(i),