LXR linux/drivers/gpu/drm/selftests/test-drm

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Test cases for the drm_format functions
   4 */
   5
   6#define pr_fmt(fmt) "drm_format: " fmt
   7
   8#include <linux/errno.h>
   9#include <linux/kernel.h>
  10
  11#include <drm/drm_fourcc.h>
  12
  13#include "test-drm_modeset_common.h"
  14
  15int igt_check_drm_format_block_width(void *ignored)
  16{
  17        const struct drm_format_info *info = NULL;
  18
  19        /* Test invalid arguments */
  20        FAIL_ON(drm_format_info_block_width(info, 0) != 0);
  21        FAIL_ON(drm_format_info_block_width(info, -1) != 0);
  22        FAIL_ON(drm_format_info_block_width(info, 1) != 0);
  23
  24        /* Test 1 plane format */
  25        info = drm_format_info(DRM_FORMAT_XRGB4444);
  26        FAIL_ON(!info);
  27        FAIL_ON(drm_format_info_block_width(info, 0) != 1);
  28        FAIL_ON(drm_format_info_block_width(info, 1) != 0);
  29        FAIL_ON(drm_format_info_block_width(info, -1) != 0);
  30
  31        /* Test 2 planes format */
  32        info = drm_format_info(DRM_FORMAT_NV12);
  33        FAIL_ON(!info);
  34        FAIL_ON(drm_format_info_block_width(info, 0) != 1);
  35        FAIL_ON(drm_format_info_block_width(info, 1) != 1);
  36        FAIL_ON(drm_format_info_block_width(info, 2) != 0);
  37        FAIL_ON(drm_format_info_block_width(info, -1) != 0);
  38
  39        /* Test 3 planes format */
  40        info = drm_format_info(DRM_FORMAT_YUV422);
  41        FAIL_ON(!info);
  42        FAIL_ON(drm_format_info_block_width(info, 0) != 1);
  43        FAIL_ON(drm_format_info_block_width(info, 1) != 1);
  44        FAIL_ON(drm_format_info_block_width(info, 2) != 1);
  45        FAIL_ON(drm_format_info_block_width(info, 3) != 0);
  46        FAIL_ON(drm_format_info_block_width(info, -1) != 0);
  47
  48        /* Test a tiled format */
  49        info = drm_format_info(DRM_FORMAT_X0L0);
  50        FAIL_ON(!info);
  51        FAIL_ON(drm_format_info_block_width(info, 0) != 2);
  52        FAIL_ON(drm_format_info_block_width(info, 1) != 0);
  53        FAIL_ON(drm_format_info_block_width(info, -1) != 0);
  54
  55        return 0;
  56}
  57
  58int igt_check_drm_format_block_height(void *ignored)
  59{
  60        const struct drm_format_info *info = NULL;
  61
  62        /* Test invalid arguments */
  63        FAIL_ON(drm_format_info_block_height(info, 0) != 0);
  64        FAIL_ON(drm_format_info_block_height(info, -1) != 0);
  65        FAIL_ON(drm_format_info_block_height(info, 1) != 0);
  66
  67        /* Test 1 plane format */
  68        info = drm_format_info(DRM_FORMAT_XRGB4444);
  69        FAIL_ON(!info);
  70        FAIL_ON(drm_format_info_block_height(info, 0) != 1);
  71        FAIL_ON(drm_format_info_block_height(info, 1) != 0);
  72        FAIL_ON(drm_format_info_block_height(info, -1) != 0);
  73
  74        /* Test 2 planes format */
  75        info = drm_format_info(DRM_FORMAT_NV12);
  76        FAIL_ON(!info);
  77        FAIL_ON(drm_format_info_block_height(info, 0) != 1);
  78        FAIL_ON(drm_format_info_block_height(info, 1) != 1);
  79        FAIL_ON(drm_format_info_block_height(info, 2) != 0);
  80        FAIL_ON(drm_format_info_block_height(info, -1) != 0);
  81
  82        /* Test 3 planes format */
  83        info = drm_format_info(DRM_FORMAT_YUV422);
  84        FAIL_ON(!info);
  85        FAIL_ON(drm_format_info_block_height(info, 0) != 1);
  86        FAIL_ON(drm_format_info_block_height(info, 1) != 1);
  87        FAIL_ON(drm_format_info_block_height(info, 2) != 1);
  88        FAIL_ON(drm_format_info_block_height(info, 3) != 0);
  89        FAIL_ON(drm_format_info_block_height(info, -1) != 0);
  90
  91        /* Test a tiled format */
  92        info = drm_format_info(DRM_FORMAT_X0L0);
  93        FAIL_ON(!info);
  94        FAIL_ON(drm_format_info_block_height(info, 0) != 2);
  95        FAIL_ON(drm_format_info_block_height(info, 1) != 0);
  96        FAIL_ON(drm_format_info_block_height(info, -1) != 0);
  97
  98        return 0;
  99}
 100
 101int igt_check_drm_format_min_pitch(void *ignored)
 102{
 103        const struct drm_format_info *info = NULL;
 104
 105        /* Test invalid arguments */
 106        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 107        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 108        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 109
 110        /* Test 1 plane 8 bits per pixel format */
 111        info = drm_format_info(DRM_FORMAT_RGB332);
 112        FAIL_ON(!info);
 113        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 114        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 115        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 116
 117        FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1);
 118        FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2);
 119        FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640);
 120        FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024);
 121        FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920);
 122        FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096);
 123        FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671);
 124        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
 125                        (uint64_t)UINT_MAX);
 126        FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)) !=
 127                        (uint64_t)(UINT_MAX - 1));
 128
 129        /* Test 1 plane 16 bits per pixel format */
 130        info = drm_format_info(DRM_FORMAT_XRGB4444);
 131        FAIL_ON(!info);
 132        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 133        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 134        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 135
 136        FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 2);
 137        FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 4);
 138        FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1280);
 139        FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 2048);
 140        FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 3840);
 141        FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 8192);
 142        FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 1342);
 143        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
 144                        (uint64_t)UINT_MAX * 2);
 145        FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)) !=
 146                        (uint64_t)(UINT_MAX - 1) * 2);
 147
 148        /* Test 1 plane 24 bits per pixel format */
 149        info = drm_format_info(DRM_FORMAT_RGB888);
 150        FAIL_ON(!info);
 151        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 152        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 153        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 154
 155        FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 3);
 156        FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 6);
 157        FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1920);
 158        FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 3072);
 159        FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 5760);
 160        FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 12288);
 161        FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 2013);
 162        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
 163                        (uint64_t)UINT_MAX * 3);
 164        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX - 1) !=
 165                        (uint64_t)(UINT_MAX - 1) * 3);
 166
 167        /* Test 1 plane 32 bits per pixel format */
 168        info = drm_format_info(DRM_FORMAT_ABGR8888);
 169        FAIL_ON(!info);
 170        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 171        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 172        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 173
 174        FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 4);
 175        FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 8);
 176        FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 2560);
 177        FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 4096);
 178        FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 7680);
 179        FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 16384);
 180        FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 2684);
 181        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
 182                        (uint64_t)UINT_MAX * 4);
 183        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX - 1) !=
 184                        (uint64_t)(UINT_MAX - 1) * 4);
 185
 186        /* Test 2 planes format */
 187        info = drm_format_info(DRM_FORMAT_NV12);
 188        FAIL_ON(!info);
 189        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 190        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 191        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 192        FAIL_ON(drm_format_info_min_pitch(info, 2, 0) != 0);
 193
 194        FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1);
 195        FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 2);
 196        FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2);
 197        FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 2);
 198        FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640);
 199        FAIL_ON(drm_format_info_min_pitch(info, 1, 320) != 640);
 200        FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024);
 201        FAIL_ON(drm_format_info_min_pitch(info, 1, 512) != 1024);
 202        FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920);
 203        FAIL_ON(drm_format_info_min_pitch(info, 1, 960) != 1920);
 204        FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096);
 205        FAIL_ON(drm_format_info_min_pitch(info, 1, 2048) != 4096);
 206        FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671);
 207        FAIL_ON(drm_format_info_min_pitch(info, 1, 336) != 672);
 208        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
 209                        (uint64_t)UINT_MAX);
 210        FAIL_ON(drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1) !=
 211                        (uint64_t)UINT_MAX + 1);
 212        FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)) !=
 213                        (uint64_t)(UINT_MAX - 1));
 214        FAIL_ON(drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) /  2) !=
 215                        (uint64_t)(UINT_MAX - 1));
 216
 217        /* Test 3 planes 8 bits per pixel format */
 218        info = drm_format_info(DRM_FORMAT_YUV422);
 219        FAIL_ON(!info);
 220        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 221        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 222        FAIL_ON(drm_format_info_min_pitch(info, 2, 0) != 0);
 223        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 224        FAIL_ON(drm_format_info_min_pitch(info, 3, 0) != 0);
 225
 226        FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1);
 227        FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 1);
 228        FAIL_ON(drm_format_info_min_pitch(info, 2, 1) != 1);
 229        FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2);
 230        FAIL_ON(drm_format_info_min_pitch(info, 1, 2) != 2);
 231        FAIL_ON(drm_format_info_min_pitch(info, 2, 2) != 2);
 232        FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640);
 233        FAIL_ON(drm_format_info_min_pitch(info, 1, 320) != 320);
 234        FAIL_ON(drm_format_info_min_pitch(info, 2, 320) != 320);
 235        FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024);
 236        FAIL_ON(drm_format_info_min_pitch(info, 1, 512) != 512);
 237        FAIL_ON(drm_format_info_min_pitch(info, 2, 512) != 512);
 238        FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920);
 239        FAIL_ON(drm_format_info_min_pitch(info, 1, 960) != 960);
 240        FAIL_ON(drm_format_info_min_pitch(info, 2, 960) != 960);
 241        FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096);
 242        FAIL_ON(drm_format_info_min_pitch(info, 1, 2048) != 2048);
 243        FAIL_ON(drm_format_info_min_pitch(info, 2, 2048) != 2048);
 244        FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671);
 245        FAIL_ON(drm_format_info_min_pitch(info, 1, 336) != 336);
 246        FAIL_ON(drm_format_info_min_pitch(info, 2, 336) != 336);
 247        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
 248                        (uint64_t)UINT_MAX);
 249        FAIL_ON(drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1) !=
 250                        (uint64_t)UINT_MAX / 2 + 1);
 251        FAIL_ON(drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1) !=
 252                        (uint64_t)UINT_MAX / 2 + 1);
 253        FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2) !=
 254                        (uint64_t)(UINT_MAX - 1) / 2);
 255        FAIL_ON(drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2) !=
 256                        (uint64_t)(UINT_MAX - 1) / 2);
 257        FAIL_ON(drm_format_info_min_pitch(info, 2, (UINT_MAX - 1) / 2) !=
 258                        (uint64_t)(UINT_MAX - 1) / 2);
 259
 260        /* Test tiled format */
 261        info = drm_format_info(DRM_FORMAT_X0L2);
 262        FAIL_ON(!info);
 263        FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
 264        FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
 265        FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
 266
 267        FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 2);
 268        FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 4);
 269        FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1280);
 270        FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 2048);
 271        FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 3840);
 272        FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 8192);
 273        FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 1342);
 274        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
 275                        (uint64_t)UINT_MAX * 2);
 276        FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX - 1) !=
 277                        (uint64_t)(UINT_MAX - 1) * 2);
 278
 279        return 0;
 280}
 281