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318 lines
8.3 KiB
318 lines
8.3 KiB
/*
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* Copyright © 2015 Intel Corporation
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* Copyright © 2017 Keith Packard
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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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/** @file kms_sequence.c
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*
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* This is a test of drmCrtcGetSequence and drmCrtcQueueSequence
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*/
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#include "igt.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <time.h>
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#include <sys/poll.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <drm.h>
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#include "intel_bufmgr.h"
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IGT_TEST_DESCRIPTION("Test CrtcGetSequence and CrtcQueueSequence.");
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typedef struct {
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igt_display_t display;
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struct igt_fb primary_fb;
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igt_output_t *output;
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uint32_t crtc_id;
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enum pipe pipe;
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unsigned int flags;
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#define IDLE 1
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#define BUSY 2
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#define FORKED 4
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} data_t;
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struct local_drm_crtc_get_sequence {
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__u32 crtc_id;
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__u32 active;
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__u64 sequence;
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__u64 sequence_ns;
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};
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struct local_drm_crtc_queue_sequence {
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__u32 crtc_id;
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__u32 flags;
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__u64 sequence;
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__u64 user_data;
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};
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#define LOCAL_DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0x3b, struct local_drm_crtc_get_sequence)
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#define LOCAL_DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0x3c, struct local_drm_crtc_queue_sequence)
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#define LOCAL_DRM_CRTC_SEQUENCE_RELATIVE 0x00000001 /* sequence is relative to current */
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#define LOCAL_DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002 /* Use next sequence if we've missed */
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struct local_drm_event_crtc_sequence {
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struct drm_event base;
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__u64 user_data;
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__s64 time_ns;
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__u64 sequence;
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};
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static double elapsed(const struct timespec *start,
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const struct timespec *end,
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int loop)
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{
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return (1e6*(end->tv_sec - start->tv_sec) + (end->tv_nsec - start->tv_nsec)/1000)/loop;
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}
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static void prepare_crtc(data_t *data, int fd, igt_output_t *output)
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{
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drmModeModeInfo *mode;
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igt_display_t *display = &data->display;
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igt_plane_t *primary;
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/* select the pipe we want to use */
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igt_output_set_pipe(output, data->pipe);
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/* create and set the primary plane fb */
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mode = igt_output_get_mode(output);
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igt_create_color_fb(fd, mode->hdisplay, mode->vdisplay,
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DRM_FORMAT_XRGB8888,
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LOCAL_DRM_FORMAT_MOD_NONE,
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0.0, 0.0, 0.0,
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&data->primary_fb);
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primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
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igt_plane_set_fb(primary, &data->primary_fb);
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data->crtc_id = primary->pipe->crtc_id;
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igt_display_commit(display);
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igt_wait_for_vblank(fd, data->pipe);
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}
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static void cleanup_crtc(data_t *data, int fd, igt_output_t *output)
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{
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igt_display_t *display = &data->display;
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igt_plane_t *primary;
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igt_remove_fb(fd, &data->primary_fb);
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primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
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igt_plane_set_fb(primary, NULL);
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igt_output_set_pipe(output, PIPE_ANY);
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igt_display_commit(display);
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}
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static int crtc_get_sequence(int fd, struct local_drm_crtc_get_sequence *cgs)
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{
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int err;
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err = 0;
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if (igt_ioctl(fd, LOCAL_DRM_IOCTL_CRTC_GET_SEQUENCE, cgs))
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err = -errno;
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return err;
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}
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static int crtc_queue_sequence(int fd, struct local_drm_crtc_queue_sequence *cqs)
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{
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int err;
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err = 0;
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if (igt_ioctl(fd, LOCAL_DRM_IOCTL_CRTC_QUEUE_SEQUENCE, cqs))
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err = -errno;
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return err;
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}
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static void run_test(data_t *data, int fd, void (*testfunc)(data_t *, int, int))
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{
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int nchildren =
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data->flags & FORKED ? sysconf(_SC_NPROCESSORS_ONLN) : 1;
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igt_display_t *display = &data->display;
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igt_output_t *output;
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enum pipe p;
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unsigned int valid_tests = 0;
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for_each_pipe_with_valid_output(display, p, output) {
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data->pipe = p;
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prepare_crtc(data, fd, output);
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igt_info("Beginning %s on pipe %s, connector %s (%d threads)\n",
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igt_subtest_name(),
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kmstest_pipe_name(data->pipe),
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igt_output_name(output),
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nchildren);
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if (data->flags & BUSY) {
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struct local_drm_crtc_queue_sequence cqs;
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memset(&cqs, 0, sizeof(cqs));
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cqs.crtc_id = data->crtc_id;
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cqs.flags = LOCAL_DRM_CRTC_SEQUENCE_RELATIVE;
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cqs.sequence = 120 + 12;
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igt_assert_eq(crtc_queue_sequence(fd, &cqs), 0);
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}
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igt_fork(child, nchildren)
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testfunc(data, fd, nchildren);
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igt_waitchildren();
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if (data->flags & BUSY) {
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struct drm_event_vblank buf;
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igt_assert_eq(read(fd, &buf, sizeof(buf)), sizeof(buf));
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}
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igt_assert(poll(&(struct pollfd){fd, POLLIN}, 1, 0) == 0);
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igt_info("\n%s on pipe %s, connector %s: PASSED\n\n",
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igt_subtest_name(),
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kmstest_pipe_name(data->pipe),
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igt_output_name(output));
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/* cleanup what prepare_crtc() has done */
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cleanup_crtc(data, fd, output);
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valid_tests++;
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}
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igt_require_f(valid_tests,
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"no valid crtc/connector combinations found\n");
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}
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static void sequence_get(data_t *data, int fd, int nchildren)
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{
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struct local_drm_crtc_get_sequence cgs;
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struct timespec start, end;
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unsigned long sq, count = 0;
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memset(&cgs, 0, sizeof(cgs));
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cgs.crtc_id = data->crtc_id;
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igt_assert_eq(crtc_get_sequence(fd, &cgs), 0);
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sq = cgs.sequence;
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clock_gettime(CLOCK_MONOTONIC, &start);
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do {
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igt_assert_eq(crtc_get_sequence(fd, &cgs), 0);
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count++;
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} while ((cgs.sequence - sq) <= 120);
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clock_gettime(CLOCK_MONOTONIC, &end);
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igt_info("Time to get current counter (%s): %7.3fµs\n",
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data->flags & BUSY ? "busy" : "idle", elapsed(&start, &end, count));
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}
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static void sequence_queue(data_t *data, int fd, int nchildren)
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{
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struct local_drm_crtc_get_sequence cgs_start, cgs_end;
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struct local_drm_crtc_queue_sequence cqs;
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unsigned long target;
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int total = 120 / nchildren;
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int n;
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double frame_time;
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memset(&cgs_start, 0, sizeof(cgs_start));
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cgs_start.crtc_id = data->crtc_id;
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igt_assert_eq(crtc_get_sequence(fd, &cgs_start), 0);
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target = cgs_start.sequence + total;
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for (n = 0; n < total; n++) {
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memset(&cqs, 0, sizeof(cqs));
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cqs.crtc_id = data->crtc_id;
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cqs.flags = 0;
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cqs.sequence = target;
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igt_assert_eq(crtc_queue_sequence(fd, &cqs), 0);
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igt_assert_eq(cqs.sequence, target);
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}
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for (n = 0; n < total; n++) {
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struct local_drm_event_crtc_sequence ev;
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igt_assert_eq(read(fd, &ev, sizeof(ev)), sizeof(ev));
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igt_assert_eq(ev.sequence, target);
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}
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memset(&cgs_end, 0, sizeof(cgs_end));
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cgs_end.crtc_id = data->crtc_id;
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igt_assert_eq(crtc_get_sequence(fd, &cgs_end), 0);
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igt_assert_eq(cgs_end.sequence, target);
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frame_time = (double) (cgs_end.sequence_ns - cgs_start.sequence_ns) / (1e9 * total);
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igt_info("Time per frame from queue to event (%s): %7.3fms(%7.3fHz)\n",
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data->flags & BUSY ? "busy" : "idle",
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frame_time * 1000.0, 1.0/frame_time);
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}
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igt_main
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{
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int fd;
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data_t data;
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const struct {
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const char *name;
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void (*func)(data_t *, int, int);
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unsigned int valid;
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} funcs[] = {
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{ "get", sequence_get, IDLE | FORKED | BUSY },
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{ "queue", sequence_queue, IDLE | BUSY },
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{ }
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}, *f;
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const struct {
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const char *name;
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unsigned int flags;
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} modes[] = {
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{ "idle", IDLE },
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{ "forked", IDLE | FORKED },
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{ "busy", BUSY },
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{ "forked-busy", BUSY | FORKED },
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{ }
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}, *m;
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igt_skip_on_simulation();
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igt_fixture {
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fd = drm_open_driver_master(DRIVER_ANY);
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kmstest_set_vt_graphics_mode();
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igt_display_require(&data.display, fd);
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}
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for (f = funcs; f->name; f++) {
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for (m = modes; m->name; m++) {
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if (m->flags & ~f->valid)
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continue;
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igt_subtest_f("%s-%s", f->name, m->name) {
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data.flags = m->flags;
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run_test(&data, fd, f->func);
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}
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}
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}
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}
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