drivers/gpu/drm/selftests/test-drm_format.c

   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
  15 int 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
  58 int 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
 101 int 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 }