The cursor-plane state struct ast_cursor_plane_state will store the
involved cursor source BO's mapping into kernel address space.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/ast/ast_mode.c | 40 ++++++++++++++++++++++++++++++++--
1 file changed, 38 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index b9b9badcee00..199ad9f9c932 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -749,6 +749,16 @@ static void ast_set_cursor_enabled(struct ast_private *ast, bool enabled)
ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, mask, vgacrcb);
}
+struct ast_cursor_plane_state {
+ struct drm_plane_state base;
+};
+
+static inline struct ast_cursor_plane_state *
+to_ast_cursor_plane_state(struct drm_plane_state *state)
+{
+ return container_of(state, struct ast_cursor_plane_state, base);
+}
+
static const uint32_t ast_cursor_plane_formats[] = {
DRM_FORMAT_ARGB8888,
};
@@ -913,13 +923,39 @@ static void ast_cursor_plane_destroy(struct drm_plane *plane)
drm_plane_cleanup(plane);
}
+static struct drm_plane_state *
+ast_cursor_plane_atomic_duplicate_state(struct drm_plane *plane)
+{
+ struct ast_cursor_plane_state *new_ast_state;
+ struct drm_device *dev = plane->dev;
+
+ if (drm_WARN_ON(dev, !plane->state))
+ return NULL;
+
+ new_ast_state = kmalloc(sizeof(*new_ast_state), GFP_KERNEL);
+ if (!new_ast_state)
+ return NULL;
+ __drm_atomic_helper_plane_duplicate_state(plane, &new_ast_state->base);
+
+ return &new_ast_state->base;
+}
+
+static void ast_cursor_plane_atomic_destroy_state(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ struct ast_cursor_plane_state *ast_state = to_ast_cursor_plane_state(state);
+
+ __drm_atomic_helper_plane_destroy_state(&ast_state->base);
+ kfree(ast_state);
+}
+
static const struct drm_plane_funcs ast_cursor_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = ast_cursor_plane_destroy,
.reset = drm_atomic_helper_plane_reset,
- .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+ .atomic_duplicate_state = ast_cursor_plane_atomic_duplicate_state,
+ .atomic_destroy_state = ast_cursor_plane_atomic_destroy_state,
};
static int ast_cursor_plane_init(struct ast_private *ast)
--
2.30.0
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