cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

drm_blend.h (2407B)

      1/*
      2 * Copyright (c) 2016 Intel Corporation
      3 *
      4 * Permission to use, copy, modify, distribute, and sell this software and its
      5 * documentation for any purpose is hereby granted without fee, provided that
      6 * the above copyright notice appear in all copies and that both that copyright
      7 * notice and this permission notice appear in supporting documentation, and
      8 * that the name of the copyright holders not be used in advertising or
      9 * publicity pertaining to distribution of the software without specific,
     10 * written prior permission.  The copyright holders make no representations
     11 * about the suitability of this software for any purpose.  It is provided "as
     12 * is" without express or implied warranty.
     13 *
     14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
     15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
     16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
     17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
     18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
     19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
     20 * OF THIS SOFTWARE.
     21 */
     22
     23#ifndef __DRM_BLEND_H__
     24#define __DRM_BLEND_H__
     25
     26#include <linux/list.h>
     27#include <linux/ctype.h>
     28#include <drm/drm_mode.h>
     29
     30#define DRM_MODE_BLEND_PREMULTI		0
     31#define DRM_MODE_BLEND_COVERAGE		1
     32#define DRM_MODE_BLEND_PIXEL_NONE	2
     33
     34struct drm_device;
     35struct drm_atomic_state;
     36struct drm_plane;
     37
     38static inline bool drm_rotation_90_or_270(unsigned int rotation)
     39{
     40	return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270);
     41}
     42
     43#define DRM_BLEND_ALPHA_OPAQUE		0xffff
     44
     45int drm_plane_create_alpha_property(struct drm_plane *plane);
     46int drm_plane_create_rotation_property(struct drm_plane *plane,
     47				       unsigned int rotation,
     48				       unsigned int supported_rotations);
     49unsigned int drm_rotation_simplify(unsigned int rotation,
     50				   unsigned int supported_rotations);
     51
     52int drm_plane_create_zpos_property(struct drm_plane *plane,
     53				   unsigned int zpos,
     54				   unsigned int min, unsigned int max);
     55int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
     56					     unsigned int zpos);
     57int drm_atomic_normalize_zpos(struct drm_device *dev,
     58			      struct drm_atomic_state *state);
     59int drm_plane_create_blend_mode_property(struct drm_plane *plane,
     60					 unsigned int supported_modes);
     61#endif