tests/kms_sequence.c - platform/external/igt-gpu-tools - Git at Google

 /*
  * Copyright © 2015 Intel Corporation
  * Copyright © 2017 Keith Packard
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  */

 /** @file kms_sequence.c
  *
  * This is a test of drmCrtcGetSequence and drmCrtcQueueSequence
  */

 #include "igt.h"
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <fcntl.h>
 #include <inttypes.h>
 #include <errno.h>
 #include <time.h>
 #include <sys/poll.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/wait.h>

 #include <drm.h>

 #include "intel_bufmgr.h"

 IGT_TEST_DESCRIPTION("Test CrtcGetSequence and CrtcQueueSequence.");

 typedef struct {
 	igt_display_t display;
 	struct igt_fb primary_fb;
 	igt_output_t *output;
 	uint32_t crtc_id;
 	enum pipe pipe;
 	unsigned int flags;
 #define IDLE 1
 #define BUSY 2
 #define FORKED 4
 } data_t;

 struct local_drm_crtc_get_sequence {
 	__u32 crtc_id;
 	__u32 active;
 	__u64 sequence;
 	__u64 sequence_ns;
 };

 struct local_drm_crtc_queue_sequence {
 	__u32 crtc_id;
 	__u32 flags;
 	__u64 sequence;
 	__u64 user_data;
 };

 #define LOCAL_DRM_IOCTL_CRTC_GET_SEQUENCE     DRM_IOWR(0x3b, struct local_drm_crtc_get_sequence)
 #define LOCAL_DRM_IOCTL_CRTC_QUEUE_SEQUENCE   DRM_IOWR(0x3c, struct local_drm_crtc_queue_sequence)

 #define LOCAL_DRM_CRTC_SEQUENCE_RELATIVE              0x00000001      /* sequence is relative to current */
 #define LOCAL_DRM_CRTC_SEQUENCE_NEXT_ON_MISS          0x00000002      /* Use next sequence if we've missed */

 struct local_drm_event_crtc_sequence {
         struct drm_event        base;
         __u64                   user_data;
         __s64                   time_ns;
         __u64                   sequence;
 };


 static double elapsed(const struct timespec *start,
 		      const struct timespec *end,
 		      int loop)
 {
 	return (1e6*(end->tv_sec - start->tv_sec) + (end->tv_nsec - start->tv_nsec)/1000)/loop;
 }

 static void prepare_crtc(data_t *data, int fd, igt_output_t *output)
 {
 	drmModeModeInfo *mode;
 	igt_display_t *display = &data->display;
 	igt_plane_t *primary;

 	/* select the pipe we want to use */
 	igt_output_set_pipe(output, data->pipe);

 	/* create and set the primary plane fb */
 	mode = igt_output_get_mode(output);
 	igt_create_color_fb(fd, mode->hdisplay, mode->vdisplay,
 			    DRM_FORMAT_XRGB8888,
 			    LOCAL_DRM_FORMAT_MOD_NONE,
 			    0.0, 0.0, 0.0,
 			    &data->primary_fb);

 	primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
 	igt_plane_set_fb(primary, &data->primary_fb);

 	data->crtc_id = primary->pipe->crtc_id;

 	igt_display_commit(display);

 	igt_wait_for_vblank(fd, data->pipe);
 }

 static void cleanup_crtc(data_t *data, int fd, igt_output_t *output)
 {
 	igt_display_t *display = &data->display;
 	igt_plane_t *primary;

 	igt_remove_fb(fd, &data->primary_fb);

 	primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
 	igt_plane_set_fb(primary, NULL);

 	igt_output_set_pipe(output, PIPE_ANY);
 	igt_display_commit(display);
 }

 static int crtc_get_sequence(int fd, struct local_drm_crtc_get_sequence *cgs)
 {
 	int err;

 	err = 0;
 	if (igt_ioctl(fd, LOCAL_DRM_IOCTL_CRTC_GET_SEQUENCE, cgs))
 		err = -errno;

 	return err;
 }

 static int crtc_queue_sequence(int fd, struct local_drm_crtc_queue_sequence *cqs)
 {
 	int err;

 	err = 0;
 	if (igt_ioctl(fd, LOCAL_DRM_IOCTL_CRTC_QUEUE_SEQUENCE, cqs))
 		err = -errno;
 	return err;
 }

 static void run_test(data_t *data, int fd, void (*testfunc)(data_t *, int, int))
 {
 	int nchildren =
 		data->flags & FORKED ? sysconf(_SC_NPROCESSORS_ONLN) : 1;
 	igt_display_t *display = &data->display;
 	igt_output_t *output;
 	enum pipe p;
 	unsigned int valid_tests = 0;

 	for_each_pipe_with_valid_output(display, p, output) {
 		data->pipe = p;
 		prepare_crtc(data, fd, output);

 		igt_info("Beginning %s on pipe %s, connector %s (%d threads)\n",
 			 igt_subtest_name(),
 			 kmstest_pipe_name(data->pipe),
 			 igt_output_name(output),
 			 nchildren);

 		if (data->flags & BUSY) {
 			struct local_drm_crtc_queue_sequence cqs;

 			memset(&cqs, 0, sizeof(cqs));
 			cqs.crtc_id = data->crtc_id;
 			cqs.flags = LOCAL_DRM_CRTC_SEQUENCE_RELATIVE;
 			cqs.sequence = 120 + 12;
 			igt_assert_eq(crtc_queue_sequence(fd, &cqs), 0);
 		}

 		igt_fork(child, nchildren)
 			testfunc(data, fd, nchildren);
 		igt_waitchildren();

 		if (data->flags & BUSY) {
 			struct drm_event_vblank buf;
 			igt_assert_eq(read(fd, &buf, sizeof(buf)), sizeof(buf));
 		}

 		igt_assert(poll(&(struct pollfd){fd, POLLIN}, 1, 0) == 0);

 		igt_info("\n%s on pipe %s, connector %s: PASSED\n\n",
 			 igt_subtest_name(),
 			 kmstest_pipe_name(data->pipe),
 			 igt_output_name(output));

 		/* cleanup what prepare_crtc() has done */
 		cleanup_crtc(data, fd, output);
 		valid_tests++;
 	}

 	igt_require_f(valid_tests,
 		      "no valid crtc/connector combinations found\n");
 }

 static void sequence_get(data_t *data, int fd, int nchildren)
 {
 	struct local_drm_crtc_get_sequence cgs;
 	struct timespec start, end;
 	unsigned long sq, count = 0;

 	memset(&cgs, 0, sizeof(cgs));
 	cgs.crtc_id = data->crtc_id;
 	igt_assert_eq(crtc_get_sequence(fd, &cgs), 0);

 	sq = cgs.sequence;

 	clock_gettime(CLOCK_MONOTONIC, &start);
 	do {
 		igt_assert_eq(crtc_get_sequence(fd, &cgs), 0);
 		count++;
 	} while ((cgs.sequence - sq) <= 120);
 	clock_gettime(CLOCK_MONOTONIC, &end);

 	igt_info("Time to get current counter (%s):		%7.3fµs\n",
 		 data->flags & BUSY ? "busy" : "idle", elapsed(&start, &end, count));
 }

 static void sequence_queue(data_t *data, int fd, int nchildren)
 {
 	struct local_drm_crtc_get_sequence cgs_start, cgs_end;
 	struct local_drm_crtc_queue_sequence cqs;
 	unsigned long target;
 	int total = 120 / nchildren;
 	int n;
 	double frame_time;

 	memset(&cgs_start, 0, sizeof(cgs_start));
 	cgs_start.crtc_id = data->crtc_id;
 	igt_assert_eq(crtc_get_sequence(fd, &cgs_start), 0);

 	target = cgs_start.sequence + total;
 	for (n = 0; n < total; n++) {
 		memset(&cqs, 0, sizeof(cqs));
 		cqs.crtc_id = data->crtc_id;
 		cqs.flags = 0;
 		cqs.sequence = target;
 		igt_assert_eq(crtc_queue_sequence(fd, &cqs), 0);
 		igt_assert_eq(cqs.sequence, target);
 	}

 	for (n = 0; n < total; n++) {
 		struct local_drm_event_crtc_sequence ev;
 		igt_assert_eq(read(fd, &ev, sizeof(ev)), sizeof(ev));
 		igt_assert_eq(ev.sequence, target);
 	}
 	memset(&cgs_end, 0, sizeof(cgs_end));
 	cgs_end.crtc_id = data->crtc_id;
 	igt_assert_eq(crtc_get_sequence(fd, &cgs_end), 0);
 	igt_assert_eq(cgs_end.sequence, target);

 	frame_time = (double) (cgs_end.sequence_ns - cgs_start.sequence_ns) / (1e9 * total);
 	igt_info("Time per frame from queue to event (%s):      %7.3fms(%7.3fHz)\n",
 		 data->flags & BUSY ? "busy" : "idle",
 		 frame_time * 1000.0, 1.0/frame_time);
 }

 igt_main
 {
 	int fd;
 	data_t data;
 	const struct {
 		const char *name;
 		void (*func)(data_t *, int, int);
 		unsigned int valid;
 	} funcs[] = {
 		{ "get", sequence_get, IDLE | FORKED | BUSY },
 		{ "queue", sequence_queue, IDLE | BUSY },
 		{ }
 	}, *f;
 	const struct {
 		const char *name;
 		unsigned int flags;
 	} modes[] = {
 		{ "idle", IDLE },
 		{ "forked", IDLE | FORKED },
 		{ "busy", BUSY },
 		{ "forked-busy", BUSY | FORKED },
 		{ }
 	}, *m;

 	igt_skip_on_simulation();

 	igt_fixture {
 		fd = drm_open_driver_master(DRIVER_ANY);
 		kmstest_set_vt_graphics_mode();
 		igt_display_require(&data.display, fd);
 	}

 	for (f = funcs; f->name; f++) {
 		for (m = modes; m->name; m++) {
 			if (m->flags & ~f->valid)
 				continue;

 			igt_subtest_f("%s-%s", f->name, m->name) {
 				data.flags = m->flags;
 				run_test(&data, fd, f->func);
 			}
 		}
 	}
 }
	/*
	* Copyright © 2015 Intel Corporation
	* Copyright © 2017 Keith Packard
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	* IN THE SOFTWARE.
	*/

	/** @file kms_sequence.c
	*
	* This is a test of drmCrtcGetSequence and drmCrtcQueueSequence
	*/

	#include "igt.h"
	#include <stdlib.h>
	#include <stdio.h>
	#include <string.h>
	#include <fcntl.h>
	#include <inttypes.h>
	#include <errno.h>
	#include <time.h>
	#include <sys/poll.h>
	#include <sys/stat.h>
	#include <sys/time.h>
	#include <sys/wait.h>

	#include <drm.h>

	#include "intel_bufmgr.h"

	IGT_TEST_DESCRIPTION("Test CrtcGetSequence and CrtcQueueSequence.");

	typedef struct {
	igt_display_t display;
	struct igt_fb primary_fb;
	igt_output_t *output;
	uint32_t crtc_id;
	enum pipe pipe;
	unsigned int flags;
	#define IDLE 1
	#define BUSY 2
	#define FORKED 4
	} data_t;

	struct local_drm_crtc_get_sequence {
	__u32 crtc_id;
	__u32 active;
	__u64 sequence;
	__u64 sequence_ns;
	};

	struct local_drm_crtc_queue_sequence {
	__u32 crtc_id;
	__u32 flags;
	__u64 sequence;
	__u64 user_data;
	};

	#define LOCAL_DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0x3b, struct local_drm_crtc_get_sequence)
	#define LOCAL_DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0x3c, struct local_drm_crtc_queue_sequence)

	#define LOCAL_DRM_CRTC_SEQUENCE_RELATIVE 0x00000001 /* sequence is relative to current */
	#define LOCAL_DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002 /* Use next sequence if we've missed */

	struct local_drm_event_crtc_sequence {
	struct drm_event base;
	__u64 user_data;
	__s64 time_ns;
	__u64 sequence;
	};


	static double elapsed(const struct timespec *start,
	const struct timespec *end,
	int loop)
	{
	return (1e6*(end->tv_sec - start->tv_sec) + (end->tv_nsec - start->tv_nsec)/1000)/loop;
	}

	static void prepare_crtc(data_t data, int fd, igt_output_t output)
	{
	drmModeModeInfo *mode;
	igt_display_t *display = &data->display;
	igt_plane_t *primary;

	/* select the pipe we want to use */
	igt_output_set_pipe(output, data->pipe);

	/* create and set the primary plane fb */
	mode = igt_output_get_mode(output);
	igt_create_color_fb(fd, mode->hdisplay, mode->vdisplay,
	DRM_FORMAT_XRGB8888,
	LOCAL_DRM_FORMAT_MOD_NONE,
	0.0, 0.0, 0.0,
	&data->primary_fb);

	primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
	igt_plane_set_fb(primary, &data->primary_fb);

	data->crtc_id = primary->pipe->crtc_id;

	igt_display_commit(display);

	igt_wait_for_vblank(fd, data->pipe);
	}

	static void cleanup_crtc(data_t data, int fd, igt_output_t output)
	{
	igt_display_t *display = &data->display;
	igt_plane_t *primary;

	igt_remove_fb(fd, &data->primary_fb);

	primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
	igt_plane_set_fb(primary, NULL);

	igt_output_set_pipe(output, PIPE_ANY);
	igt_display_commit(display);
	}

	static int crtc_get_sequence(int fd, struct local_drm_crtc_get_sequence *cgs)
	{
	int err;

	err = 0;
	if (igt_ioctl(fd, LOCAL_DRM_IOCTL_CRTC_GET_SEQUENCE, cgs))
	err = -errno;

	return err;
	}

	static int crtc_queue_sequence(int fd, struct local_drm_crtc_queue_sequence *cqs)
	{
	int err;

	err = 0;
	if (igt_ioctl(fd, LOCAL_DRM_IOCTL_CRTC_QUEUE_SEQUENCE, cqs))
	err = -errno;
	return err;
	}

	static void run_test(data_t data, int fd, void (testfunc)(data_t *, int, int))
	{
	int nchildren =
	data->flags & FORKED ? sysconf(_SC_NPROCESSORS_ONLN) : 1;
	igt_display_t *display = &data->display;
	igt_output_t *output;
	enum pipe p;
	unsigned int valid_tests = 0;

	for_each_pipe_with_valid_output(display, p, output) {
	data->pipe = p;
	prepare_crtc(data, fd, output);

	igt_info("Beginning %s on pipe %s, connector %s (%d threads)\n",
	igt_subtest_name(),
	kmstest_pipe_name(data->pipe),
	igt_output_name(output),
	nchildren);

	if (data->flags & BUSY) {
	struct local_drm_crtc_queue_sequence cqs;

	memset(&cqs, 0, sizeof(cqs));
	cqs.crtc_id = data->crtc_id;
	cqs.flags = LOCAL_DRM_CRTC_SEQUENCE_RELATIVE;
	cqs.sequence = 120 + 12;
	igt_assert_eq(crtc_queue_sequence(fd, &cqs), 0);
	}

	igt_fork(child, nchildren)
	testfunc(data, fd, nchildren);
	igt_waitchildren();

	if (data->flags & BUSY) {
	struct drm_event_vblank buf;
	igt_assert_eq(read(fd, &buf, sizeof(buf)), sizeof(buf));
	}

	igt_assert(poll(&(struct pollfd){fd, POLLIN}, 1, 0) == 0);

	igt_info("\n%s on pipe %s, connector %s: PASSED\n\n",
	igt_subtest_name(),
	kmstest_pipe_name(data->pipe),
	igt_output_name(output));

	/* cleanup what prepare_crtc() has done */
	cleanup_crtc(data, fd, output);
	valid_tests++;
	}

	igt_require_f(valid_tests,
	"no valid crtc/connector combinations found\n");
	}

	static void sequence_get(data_t *data, int fd, int nchildren)
	{
	struct local_drm_crtc_get_sequence cgs;
	struct timespec start, end;
	unsigned long sq, count = 0;

	memset(&cgs, 0, sizeof(cgs));
	cgs.crtc_id = data->crtc_id;
	igt_assert_eq(crtc_get_sequence(fd, &cgs), 0);

	sq = cgs.sequence;

	clock_gettime(CLOCK_MONOTONIC, &start);
	do {
	igt_assert_eq(crtc_get_sequence(fd, &cgs), 0);
	count++;
	} while ((cgs.sequence - sq) <= 120);
	clock_gettime(CLOCK_MONOTONIC, &end);

	igt_info("Time to get current counter (%s): %7.3fµs\n",
	data->flags & BUSY ? "busy" : "idle", elapsed(&start, &end, count));
	}

	static void sequence_queue(data_t *data, int fd, int nchildren)
	{
	struct local_drm_crtc_get_sequence cgs_start, cgs_end;
	struct local_drm_crtc_queue_sequence cqs;
	unsigned long target;
	int total = 120 / nchildren;
	int n;
	double frame_time;

	memset(&cgs_start, 0, sizeof(cgs_start));
	cgs_start.crtc_id = data->crtc_id;
	igt_assert_eq(crtc_get_sequence(fd, &cgs_start), 0);

	target = cgs_start.sequence + total;
	for (n = 0; n < total; n++) {
	memset(&cqs, 0, sizeof(cqs));
	cqs.crtc_id = data->crtc_id;
	cqs.flags = 0;
	cqs.sequence = target;
	igt_assert_eq(crtc_queue_sequence(fd, &cqs), 0);
	igt_assert_eq(cqs.sequence, target);
	}

	for (n = 0; n < total; n++) {
	struct local_drm_event_crtc_sequence ev;
	igt_assert_eq(read(fd, &ev, sizeof(ev)), sizeof(ev));
	igt_assert_eq(ev.sequence, target);
	}
	memset(&cgs_end, 0, sizeof(cgs_end));
	cgs_end.crtc_id = data->crtc_id;
	igt_assert_eq(crtc_get_sequence(fd, &cgs_end), 0);
	igt_assert_eq(cgs_end.sequence, target);

	frame_time = (double) (cgs_end.sequence_ns - cgs_start.sequence_ns) / (1e9 * total);
	igt_info("Time per frame from queue to event (%s): %7.3fms(%7.3fHz)\n",
	data->flags & BUSY ? "busy" : "idle",
	frame_time * 1000.0, 1.0/frame_time);
	}

	igt_main
	{
	int fd;
	data_t data;
	const struct {
	const char *name;
	void (func)(data_t , int, int);
	unsigned int valid;
	} funcs[] = {
	{ "get", sequence_get, IDLE \| FORKED \| BUSY },
	{ "queue", sequence_queue, IDLE \| BUSY },
	{ }
	}, *f;
	const struct {
	const char *name;
	unsigned int flags;
	} modes[] = {
	{ "idle", IDLE },
	{ "forked", IDLE \| FORKED },
	{ "busy", BUSY },
	{ "forked-busy", BUSY \| FORKED },
	{ }
	}, *m;

	igt_skip_on_simulation();

	igt_fixture {
	fd = drm_open_driver_master(DRIVER_ANY);
	kmstest_set_vt_graphics_mode();
	igt_display_require(&data.display, fd);
	}

	for (f = funcs; f->name; f++) {
	for (m = modes; m->name; m++) {
	if (m->flags & ~f->valid)
	continue;

	igt_subtest_f("%s-%s", f->name, m->name) {
	data.flags = m->flags;
	run_test(&data, fd, f->func);
	}
	}
	}
	}