}
EXPORT_SYMBOL(drm_client_framebuffer_delete);
+/**
+ * drm_client_framebuffer_flush - Manually flush client framebuffer
+ * @buffer: DRM client buffer (can be NULL)
+ * @rect: Damage rectangle (if NULL flushes all)
+ *
+ * This calls &drm_framebuffer_funcs->dirty (if present) to flush buffer changes
+ * for drivers that need it.
+ *
+ * Returns:
+ * Zero on success or negative error code on failure.
+ */
+int drm_client_framebuffer_flush(struct drm_client_buffer *buffer, struct drm_rect *rect)
+{
+ if (!buffer || !buffer->fb || !buffer->fb->funcs->dirty)
+ return 0;
+
+ if (rect) {
+ struct drm_clip_rect clip = {
+ .x1 = rect->x1,
+ .y1 = rect->y1,
+ .x2 = rect->x2,
+ .y2 = rect->y2,
+ };
+
+ return buffer->fb->funcs->dirty(buffer->fb, buffer->client->file,
+ 0, 0, &clip, 1);
+ }
+
+ return buffer->fb->funcs->dirty(buffer->fb, buffer->client->file,
+ 0, 0, NULL, 0);
+}
+EXPORT_SYMBOL(drm_client_framebuffer_flush);
+
#ifdef CONFIG_DEBUG_FS
static int drm_client_debugfs_internal_clients(struct seq_file *m, void *data)
{
struct drm_client_buffer *
drm_client_framebuffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format);
void drm_client_framebuffer_delete(struct drm_client_buffer *buffer);
+int drm_client_framebuffer_flush(struct drm_client_buffer *buffer, struct drm_rect *rect);
void *drm_client_buffer_vmap(struct drm_client_buffer *buffer);
void drm_client_buffer_vunmap(struct drm_client_buffer *buffer);