cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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drm_plane_helper.h (1787B)

      1/*
      2 * Copyright (C) 2011-2013 Intel Corporation
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice (including the next
     12 * paragraph) shall be included in all copies or substantial portions of the
     13 * Software.
     14 *
     15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     21 * SOFTWARE.
     22 */
     23
     24#ifndef DRM_PLANE_HELPER_H
     25#define DRM_PLANE_HELPER_H
     26
     27#include <drm/drm_rect.h>
     28#include <drm/drm_crtc.h>
     29#include <drm/drm_modeset_helper_vtables.h>
     30#include <drm/drm_modeset_helper.h>
     31
     32/*
     33 * Drivers that don't allow primary plane scaling may pass this macro in place
     34 * of the min/max scale parameters of the update checker function.
     35 *
     36 * Due to src being in 16.16 fixed point and dest being in integer pixels,
     37 * 1<<16 represents no scaling.
     38 */
     39#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
     40
     41void drm_primary_helper_destroy(struct drm_plane *plane);
     42extern const struct drm_plane_funcs drm_primary_helper_funcs;
     43
     44#endif