src/intel/isl/isl_drm.c

   1 /*
   2  * Copyright 2017 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
  20  *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  *  IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25 #include <stdlib.h>
  26
  27 #include <drm_fourcc.h>
  28
  29 #include "isl.h"
  30 #include "common/gen_device_info.h"
  31
  32 struct isl_drm_modifier_info modifier_info[] = {
  33    {
  34       .modifier = DRM_FORMAT_MOD_NONE,
  35       .name = "DRM_FORMAT_MOD_NONE",
  36       .tiling = ISL_TILING_LINEAR,
  37    },
  38    {
  39       .modifier = I915_FORMAT_MOD_X_TILED,
  40       .name = "I915_FORMAT_MOD_X_TILED",
  41       .tiling = ISL_TILING_X,
  42    },
  43    {
  44       .modifier = I915_FORMAT_MOD_Y_TILED,
  45       .name = "I915_FORMAT_MOD_Y_TILED",
  46       .tiling = ISL_TILING_Y0,
  47    },
  48 };
  49
  50 const struct isl_drm_modifier_info *
  51 isl_drm_modifier_get_info(uint64_t modifier)
  52 {
  53    for (unsigned i = 0; i < ARRAY_SIZE(modifier_info); i++) {
  54       if (modifier_info[i].modifier == modifier)
  55          return &modifier_info[i];
  56    }
  57
  58    return NULL;
  59 }