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kernel/drivers/gpu/drm/selftests/test-drm_format.c
Alexandru Gheorghe 0d1c7d0fa9 drm/selftests: Add tests for drm_format_info* helpers 
Add selftests for the following newly added functions:
 - drm_format_info_block_width
 - drm_format_info_block_height
 - drm_format_info_min_pitch

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181101151051.1509-6-alexandru-cosmin.gheorghe@arm.com
2018-11-02 09:57:58 +00:00

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// SPDX-License-Identifier: GPL-2.0
/*
* Test cases for the drm_format functions
*/
#define pr_fmt(fmt) "drm_format: " fmt
#include <linux/errno.h>
#include <linux/kernel.h>
#include <drm/drm_fourcc.h>
#include "test-drm_modeset_common.h"
int igt_check_drm_format_block_width(void *ignored)
{
const struct drm_format_info *info = NULL;
/* Test invalid arguments */
FAIL_ON(drm_format_info_block_width(info, 0) != 0);
FAIL_ON(drm_format_info_block_width(info, -1) != 0);
FAIL_ON(drm_format_info_block_width(info, 1) != 0);
/* Test 1 plane format */
info = drm_format_info(DRM_FORMAT_XRGB4444);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_width(info, 0) != 1);
FAIL_ON(drm_format_info_block_width(info, 1) != 0);
FAIL_ON(drm_format_info_block_width(info, -1) != 0);
/* Test 2 planes format */
info = drm_format_info(DRM_FORMAT_NV12);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_width(info, 0) != 1);
FAIL_ON(drm_format_info_block_width(info, 1) != 1);
FAIL_ON(drm_format_info_block_width(info, 2) != 0);
FAIL_ON(drm_format_info_block_width(info, -1) != 0);
/* Test 3 planes format */
info = drm_format_info(DRM_FORMAT_YUV422);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_width(info, 0) != 1);
FAIL_ON(drm_format_info_block_width(info, 1) != 1);
FAIL_ON(drm_format_info_block_width(info, 2) != 1);
FAIL_ON(drm_format_info_block_width(info, 3) != 0);
FAIL_ON(drm_format_info_block_width(info, -1) != 0);
/* Test a tiled format */
info = drm_format_info(DRM_FORMAT_X0L0);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_width(info, 0) != 2);
FAIL_ON(drm_format_info_block_width(info, 1) != 0);
FAIL_ON(drm_format_info_block_width(info, -1) != 0);
return 0;
}
int igt_check_drm_format_block_height(void *ignored)
{
const struct drm_format_info *info = NULL;
/* Test invalid arguments */
FAIL_ON(drm_format_info_block_height(info, 0) != 0);
FAIL_ON(drm_format_info_block_height(info, -1) != 0);
FAIL_ON(drm_format_info_block_height(info, 1) != 0);
/* Test 1 plane format */
info = drm_format_info(DRM_FORMAT_XRGB4444);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_height(info, 0) != 1);
FAIL_ON(drm_format_info_block_height(info, 1) != 0);
FAIL_ON(drm_format_info_block_height(info, -1) != 0);
/* Test 2 planes format */
info = drm_format_info(DRM_FORMAT_NV12);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_height(info, 0) != 1);
FAIL_ON(drm_format_info_block_height(info, 1) != 1);
FAIL_ON(drm_format_info_block_height(info, 2) != 0);
FAIL_ON(drm_format_info_block_height(info, -1) != 0);
/* Test 3 planes format */
info = drm_format_info(DRM_FORMAT_YUV422);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_height(info, 0) != 1);
FAIL_ON(drm_format_info_block_height(info, 1) != 1);
FAIL_ON(drm_format_info_block_height(info, 2) != 1);
FAIL_ON(drm_format_info_block_height(info, 3) != 0);
FAIL_ON(drm_format_info_block_height(info, -1) != 0);
/* Test a tiled format */
info = drm_format_info(DRM_FORMAT_X0L0);
FAIL_ON(!info);
FAIL_ON(drm_format_info_block_height(info, 0) != 2);
FAIL_ON(drm_format_info_block_height(info, 1) != 0);
FAIL_ON(drm_format_info_block_height(info, -1) != 0);
return 0;
}
int igt_check_drm_format_min_pitch(void *ignored)
{
const struct drm_format_info *info = NULL;
/* Test invalid arguments */
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
/* Test 1 plane 8 bits per pixel format */
info = drm_format_info(DRM_FORMAT_RGB332);
FAIL_ON(!info);
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1);
FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920);
FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096);
FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
(uint64_t)UINT_MAX);
FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)) !=
(uint64_t)(UINT_MAX - 1));
/* Test 1 plane 16 bits per pixel format */
info = drm_format_info(DRM_FORMAT_XRGB4444);
FAIL_ON(!info);
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 4);
FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1280);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 2048);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 3840);
FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 8192);
FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 1342);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
(uint64_t)UINT_MAX * 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)) !=
(uint64_t)(UINT_MAX - 1) * 2);
/* Test 1 plane 24 bits per pixel format */
info = drm_format_info(DRM_FORMAT_RGB888);
FAIL_ON(!info);
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 3);
FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 6);
FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1920);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 3072);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 5760);
FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 12288);
FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 2013);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
(uint64_t)UINT_MAX * 3);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX - 1) !=
(uint64_t)(UINT_MAX - 1) * 3);
/* Test 1 plane 32 bits per pixel format */
info = drm_format_info(DRM_FORMAT_ABGR8888);
FAIL_ON(!info);
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 4);
FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 8);
FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 2560);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 4096);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 7680);
FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 16384);
FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 2684);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
(uint64_t)UINT_MAX * 4);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX - 1) !=
(uint64_t)(UINT_MAX - 1) * 4);
/* Test 2 planes format */
info = drm_format_info(DRM_FORMAT_NV12);
FAIL_ON(!info);
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 2, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1);
FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640);
FAIL_ON(drm_format_info_min_pitch(info, 1, 320) != 640);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024);
FAIL_ON(drm_format_info_min_pitch(info, 1, 512) != 1024);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920);
FAIL_ON(drm_format_info_min_pitch(info, 1, 960) != 1920);
FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096);
FAIL_ON(drm_format_info_min_pitch(info, 1, 2048) != 4096);
FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671);
FAIL_ON(drm_format_info_min_pitch(info, 1, 336) != 672);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
(uint64_t)UINT_MAX);
FAIL_ON(drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1) !=
(uint64_t)UINT_MAX + 1);
FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)) !=
(uint64_t)(UINT_MAX - 1));
FAIL_ON(drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2) !=
(uint64_t)(UINT_MAX - 1));
/* Test 3 planes 8 bits per pixel format */
info = drm_format_info(DRM_FORMAT_YUV422);
FAIL_ON(!info);
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 2, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 3, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1);
FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 1);
FAIL_ON(drm_format_info_min_pitch(info, 2, 1) != 1);
FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 1, 2) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 2, 2) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640);
FAIL_ON(drm_format_info_min_pitch(info, 1, 320) != 320);
FAIL_ON(drm_format_info_min_pitch(info, 2, 320) != 320);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024);
FAIL_ON(drm_format_info_min_pitch(info, 1, 512) != 512);
FAIL_ON(drm_format_info_min_pitch(info, 2, 512) != 512);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920);
FAIL_ON(drm_format_info_min_pitch(info, 1, 960) != 960);
FAIL_ON(drm_format_info_min_pitch(info, 2, 960) != 960);
FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096);
FAIL_ON(drm_format_info_min_pitch(info, 1, 2048) != 2048);
FAIL_ON(drm_format_info_min_pitch(info, 2, 2048) != 2048);
FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671);
FAIL_ON(drm_format_info_min_pitch(info, 1, 336) != 336);
FAIL_ON(drm_format_info_min_pitch(info, 2, 336) != 336);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
(uint64_t)UINT_MAX);
FAIL_ON(drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1) !=
(uint64_t)UINT_MAX / 2 + 1);
FAIL_ON(drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1) !=
(uint64_t)UINT_MAX / 2 + 1);
FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2) !=
(uint64_t)(UINT_MAX - 1) / 2);
FAIL_ON(drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2) !=
(uint64_t)(UINT_MAX - 1) / 2);
FAIL_ON(drm_format_info_min_pitch(info, 2, (UINT_MAX - 1) / 2) !=
(uint64_t)(UINT_MAX - 1) / 2);
/* Test tiled format */
info = drm_format_info(DRM_FORMAT_X0L2);
FAIL_ON(!info);
FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 4);
FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1280);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 2048);
FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 3840);
FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 8192);
FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 1342);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) !=
(uint64_t)UINT_MAX * 2);
FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX - 1) !=
(uint64_t)(UINT_MAX - 1) * 2);
return 0;
}
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