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-rw-r--r--include/drm/drm_plane_helper.h59
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diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
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+++ b/include/drm/drm_plane_helper.h
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+/*
+ * Copyright (C) 2011-2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef DRM_PLANE_HELPER_H
+#define DRM_PLANE_HELPER_H
+
+#include <linux/types.h>
+
+struct drm_atomic_state;
+struct drm_crtc;
+struct drm_framebuffer;
+struct drm_modeset_acquire_ctx;
+struct drm_plane;
+
+int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h,
+ struct drm_modeset_acquire_ctx *ctx);
+int drm_plane_helper_disable_primary(struct drm_plane *plane,
+ struct drm_modeset_acquire_ctx *ctx);
+void drm_plane_helper_destroy(struct drm_plane *plane);
+int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
+
+/**
+ * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
+ *
+ * This macro initializes plane functions for non-atomic drivers to default
+ * values. Non-atomic interfaces are deprecated and should not be used in new
+ * drivers.
+ */
+#define DRM_PLANE_NON_ATOMIC_FUNCS \
+ .update_plane = drm_plane_helper_update_primary, \
+ .disable_plane = drm_plane_helper_disable_primary, \
+ .destroy = drm_plane_helper_destroy
+
+#endif