111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Damien Lespiau <damien.lespiau@intel.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "igt_core.h"
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#include "igt_debugfs.h"
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#include "igt_kms.h"
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typedef struct {
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int fd;
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int pipe;
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int n_crcs;
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} display_crc_t;
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static int pipe_from_str(const char *str)
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{
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unsigned char c;
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if (!str || strlen(str) != 1)
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return -1;
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c = str[0];
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if (c >= 'A' && c <= 'C')
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return c - 'A';
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if (c >= 'a' && c <= 'c')
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return c - 'a';
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if (c >= '0' && c <= '3')
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return c - '0';
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return -1;
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}
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static void print_crcs(display_crc_t *ctx)
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{
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igt_pipe_crc_t *pipe_crc;
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igt_crc_t crc;
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char *crc_str;
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int i;
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pipe_crc = igt_pipe_crc_new(ctx->fd, ctx->pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
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for (i = 0; i < ctx->n_crcs; i++) {
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igt_pipe_crc_collect_crc(pipe_crc, &crc);
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crc_str = igt_crc_to_string(&crc);
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printf("CRC on pipe %s: %s\n", kmstest_pipe_name(ctx->pipe),
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crc_str);
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free(crc_str);
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}
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igt_pipe_crc_free(pipe_crc);
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}
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static display_crc_t ctx;
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int main(int argc, char **argv)
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{
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int opt;
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ctx.n_crcs = 1;
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while ((opt = getopt(argc, argv, "p:n:")) != -1) {
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switch (opt) {
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case 'p':
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ctx.pipe = pipe_from_str(optarg);
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if (ctx.pipe == -1) {
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fprintf(stderr, "Unknown pipe %s\n", optarg);
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exit(1);
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}
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break;
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case 'n':
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ctx.n_crcs = atoi(optarg);
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break;
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default:
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igt_assert(0);
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}
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}
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print_crcs(&ctx);
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}
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