Doing modeset on internal panels may have a considerable overhead due to the panel specific power sequencing delays. To avoid long test runtimes limit the runtime of each subtest. Randomize the plane/pipe combinations to preserve the test coverage on such panels at least over multiple test runs.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103334 Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com> Signed-off-by: Imre Deak <imre.d...@intel.com> --- tests/kms_atomic_transition.c | 175 ++++++++++++++++++++++++++++++++++++------ 1 file changed, 150 insertions(+), 25 deletions(-) diff --git a/tests/kms_atomic_transition.c b/tests/kms_atomic_transition.c index 4c295125..ac67fc3a 100644 --- a/tests/kms_atomic_transition.c +++ b/tests/kms_atomic_transition.c @@ -39,6 +39,14 @@ #define DRM_CAP_CURSOR_HEIGHT 0x9 #endif +#define MAX_SUBTEST_DURATION_NS (20ULL * NSEC_PER_SEC) + +struct test_config { + igt_display_t *display; + bool user_seed; + int seed; +}; + struct plane_parms { struct igt_fb *fb; uint32_t width, height; @@ -401,6 +409,28 @@ static void wait_for_transition(igt_display_t *display, enum pipe pipe, bool non } } +/* Copied from https://benpfaff.org/writings/clc/shuffle.html */ +static void shuffle_array(uint32_t *array, int size, int seed) +{ + int i; + + for (i = 0; i < size; i++) { + int j = i + rand() / (RAND_MAX / (size - i) + 1); + + igt_swap(array[i], array[j]); + } +} + +static void init_combination_array(uint32_t *array, int size, int seed) +{ + int i; + + for (i = 0; i < size; i++) + array[i] = i; + + shuffle_array(array, size, seed); +} + /* * 1. Set primary plane to a known fb. * 2. Make sure getcrtc returns the correct fb id. @@ -411,19 +441,27 @@ static void wait_for_transition(igt_display_t *display, enum pipe pipe, bool non * so test this and make sure it works. */ static void -run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output, - enum transition_type type, bool nonblocking, bool fencing) +run_transition_test(struct test_config *test_config, enum pipe pipe, + igt_output_t *output, enum transition_type type, + bool nonblocking, bool fencing) { struct igt_fb fb, argb_fb, sprite_fb; drmModeModeInfo *mode, override_mode; + igt_display_t *display = test_config->display; igt_plane_t *plane; igt_pipe_t *pipe_obj = &display->pipes[pipe]; uint32_t iter_max = 1 << pipe_obj->n_planes, i; + uint32_t *plane_combinations; + struct timespec start = { }; struct plane_parms parms[pipe_obj->n_planes]; bool skip_test = false; unsigned flags = 0; int ret; + plane_combinations = malloc(sizeof(*plane_combinations) * iter_max); + igt_assert(plane_combinations); + init_combination_array(plane_combinations, iter_max, test_config->seed); + if (fencing) prepare_fencing(display, pipe); else @@ -527,39 +565,59 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output goto cleanup; } + igt_nsec_elapsed(&start); + for (i = 0; i < iter_max; i++) { igt_output_set_pipe(output, pipe); - wm_setup_plane(display, pipe, i, parms, fencing); + wm_setup_plane(display, pipe, plane_combinations[i], parms, + fencing); - atomic_commit(display, pipe, flags, (void *)(unsigned long)i, fencing); + atomic_commit(display, pipe, flags, + (void *)(unsigned long)plane_combinations[i], + fencing); wait_for_transition(display, pipe, nonblocking, fencing); if (type == TRANSITION_MODESET_DISABLE) { + if (igt_nsec_elapsed(&start) >= MAX_SUBTEST_DURATION_NS) + goto cleanup; + igt_output_set_pipe(output, PIPE_NONE); wm_setup_plane(display, pipe, 0, parms, fencing); atomic_commit(display, pipe, flags, (void *) 0UL, fencing); wait_for_transition(display, pipe, nonblocking, fencing); + } else { uint32_t j; /* i -> i+1 will be done when i increases, can be skipped here */ for (j = iter_max - 1; j > i + 1; j--) { - wm_setup_plane(display, pipe, j, parms, fencing); + if (igt_nsec_elapsed(&start) >= MAX_SUBTEST_DURATION_NS) + goto cleanup; + + wm_setup_plane(display, pipe, + plane_combinations[j], parms, + fencing); if (type == TRANSITION_MODESET) igt_output_override_mode(output, &override_mode); - atomic_commit(display, pipe, flags, (void *)(unsigned long) j, fencing); + atomic_commit(display, pipe, flags, + (void *)(unsigned long)plane_combinations[j], + fencing); wait_for_transition(display, pipe, nonblocking, fencing); - wm_setup_plane(display, pipe, i, parms, fencing); + wm_setup_plane(display, pipe, + plane_combinations[i], parms, + fencing); if (type == TRANSITION_MODESET) igt_output_override_mode(output, NULL); - atomic_commit(display, pipe, flags, (void *)(unsigned long) i, fencing); + atomic_commit(display, pipe, flags, + (void *)(unsigned long)plane_combinations[i], + fencing); wait_for_transition(display, pipe, nonblocking, fencing); } } @@ -579,6 +637,9 @@ cleanup: igt_remove_fb(display->drm_fd, &fb); igt_remove_fb(display->drm_fd, &argb_fb); igt_remove_fb(display->drm_fd, &sprite_fb); + + free(plane_combinations); + if (skip_test) igt_skip("Atomic nonblocking modesets are not supported.\n"); } @@ -696,16 +757,24 @@ static void collect_crcs_mask(igt_pipe_crc_t **pipe_crcs, unsigned mask, igt_crc } } -static void run_modeset_tests(igt_display_t *display, int howmany, bool nonblocking, bool fencing) +static void run_modeset_tests(struct test_config *test_config, int howmany, + bool nonblocking, bool fencing) { + igt_display_t *display = test_config->display; struct igt_fb fbs[2]; int i, j; unsigned iter_max = 1 << display->n_pipes; + uint32_t *pipe_combinations; + struct timespec start = { }; igt_pipe_crc_t *pipe_crcs[IGT_MAX_PIPES] = { 0 }; igt_output_t *output; unsigned width = 0, height = 0; bool skip_test = false; + pipe_combinations = malloc(sizeof(*pipe_combinations) * iter_max); + igt_assert(pipe_combinations); + init_combination_array(pipe_combinations, iter_max, test_config->seed); + for_each_connected_output(display, output) { drmModeModeInfo *mode = igt_output_get_mode(output); @@ -757,6 +826,8 @@ static void run_modeset_tests(igt_display_t *display, int howmany, bool nonblock igt_display_commit2(display, COMMIT_ATOMIC); + igt_nsec_elapsed(&start); + for (i = 0; i < iter_max; i++) { igt_crc_t crcs[5][IGT_MAX_PIPES]; unsigned event_mask; @@ -773,6 +844,9 @@ static void run_modeset_tests(igt_display_t *display, int howmany, bool nonblock collect_crcs_mask(pipe_crcs, i, crcs[0]); for (j = iter_max - 1; j > i + 1; j--) { + if (igt_nsec_elapsed(&start) >= MAX_SUBTEST_DURATION_NS) + goto cleanup; + if (hweight32(j) > howmany) continue; @@ -828,13 +902,18 @@ cleanup: igt_remove_fb(display->drm_fd, &fbs[1]); igt_remove_fb(display->drm_fd, &fbs[0]); + free(pipe_combinations); + if (skip_test) igt_skip("Atomic nonblocking modesets are not supported.\n"); } -static void run_modeset_transition(igt_display_t *display, int requested_outputs, bool nonblocking, bool fencing) +static void run_modeset_transition(struct test_config *test_config, + int requested_outputs, bool nonblocking, + bool fencing) { + igt_display_t *display = test_config->display; igt_output_t *outputs[IGT_MAX_PIPES] = {}; int num_outputs = 0; enum pipe pipe; @@ -861,16 +940,41 @@ static void run_modeset_transition(igt_display_t *display, int requested_outputs "Should have at least %i outputs, found %i\n", requested_outputs, num_outputs); - run_modeset_tests(display, requested_outputs, nonblocking, fencing); + run_modeset_tests(test_config, requested_outputs, nonblocking, fencing); } -igt_main +static int opt_handler(int option, int option_index, void *handler_data) { + struct test_config *test_config = handler_data; + + switch (option) { + case 's': + test_config->user_seed = true; + test_config->seed = strtol(optarg, NULL, 0); + break; + default: + igt_assert(false); + } + + return 0; +} + +int main(int argc, char **argv) +{ + const char *help_str = + " --seed Seed for random number generator\n"; + struct option long_options[] = { + { "seed", required_argument, NULL, 's' }, + { }, + }; + struct test_config test_config = { }; igt_display_t display; igt_output_t *output; enum pipe pipe; int i; + igt_subtest_init_parse_opts(&argc, argv, "", long_options, help_str, + opt_handler, &test_config); igt_skip_on_simulation(); igt_fixture { @@ -883,6 +987,15 @@ igt_main igt_require(display.is_atomic); igt_display_require_output(&display); + + test_config.display = &display; + if (!test_config.user_seed) + test_config.seed = time(NULL); + + srand(test_config.seed); + + igt_info("Running tests randomized with seed %d\n", + test_config.seed); } igt_subtest("plane-primary-toggle-with-vblank-wait") @@ -891,55 +1004,67 @@ igt_main igt_subtest("plane-all-transition") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_PLANES, false, false); + run_transition_test(&test_config, pipe, output, + TRANSITION_PLANES, false, false); igt_subtest("plane-all-transition-fencing") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_PLANES, false, true); + run_transition_test(&test_config, pipe, output, + TRANSITION_PLANES, false, true); igt_subtest("plane-all-transition-nonblocking") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_PLANES, true, false); + run_transition_test(&test_config, pipe, output, + TRANSITION_PLANES, true, false); igt_subtest("plane-all-transition-nonblocking-fencing") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_PLANES, true, true); + run_transition_test(&test_config, pipe, output, + TRANSITION_PLANES, true, true); igt_subtest("plane-use-after-nonblocking-unbind") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_AFTER_FREE, true, false); + run_transition_test(&test_config, pipe, output, + TRANSITION_AFTER_FREE, true, false); igt_subtest("plane-use-after-nonblocking-unbind-fencing") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_AFTER_FREE, true, true); + run_transition_test(&test_config, pipe, output, + TRANSITION_AFTER_FREE, true, true); igt_subtest("plane-all-modeset-transition") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_MODESET, false, false); + run_transition_test(&test_config, pipe, output, + TRANSITION_MODESET, false, false); igt_subtest("plane-all-modeset-transition-fencing") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_MODESET, false, true); + run_transition_test(&test_config, pipe, output, + TRANSITION_MODESET, false, true); igt_subtest("plane-toggle-modeset-transition") for_each_pipe_with_valid_output(&display, pipe, output) - run_transition_test(&display, pipe, output, TRANSITION_MODESET_DISABLE, false, false); + run_transition_test(&test_config, pipe, output, + TRANSITION_MODESET_DISABLE, + false, false); for (i = 1; i <= IGT_MAX_PIPES; i++) { igt_subtest_f("%ix-modeset-transitions", i) - run_modeset_transition(&display, i, false, false); + run_modeset_transition(&test_config, i, false, false); igt_subtest_f("%ix-modeset-transitions-nonblocking", i) - run_modeset_transition(&display, i, true, false); + run_modeset_transition(&test_config, i, true, false); igt_subtest_f("%ix-modeset-transitions-fencing", i) - run_modeset_transition(&display, i, false, true); + run_modeset_transition(&test_config, i, false, true); igt_subtest_f("%ix-modeset-transitions-nonblocking-fencing", i) - run_modeset_transition(&display, i, true, true); + run_modeset_transition(&test_config, i, true, true); } igt_fixture { igt_display_fini(&display); } + + igt_exit(); } -- 2.13.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
