diff options
| -rw-r--r-- | tests/Makefile.sources | 1 | ||||
| -rw-r--r-- | tests/kms_writeback.c | 316 | ||||
| -rw-r--r-- | tests/meson.build | 1 |
3 files changed, 318 insertions, 0 deletions
diff --git a/tests/Makefile.sources b/tests/Makefile.sources index 269b506d8..6ae951555 100644 --- a/tests/Makefile.sources +++ b/tests/Makefile.sources @@ -89,6 +89,7 @@ TESTS_progs = \ kms_universal_plane \ kms_vblank \ kms_vrr \ + kms_writeback \ meta_test \ prime_busy \ prime_mmap \ diff --git a/tests/kms_writeback.c b/tests/kms_writeback.c new file mode 100644 index 000000000..f80255381 --- /dev/null +++ b/tests/kms_writeback.c @@ -0,0 +1,316 @@ +/* + * (C) COPYRIGHT 2017 ARM Limited. All rights reserved. + * + * 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. + * + */ + +#include <errno.h> +#include <stdbool.h> +#include <stdio.h> +#include <string.h> + +#include "igt.h" +#include "igt_core.h" +#include "igt_fb.h" + +static drmModePropertyBlobRes *get_writeback_formats_blob(igt_output_t *output) +{ + drmModePropertyBlobRes *blob = NULL; + uint64_t blob_id; + int ret; + + ret = kmstest_get_property(output->display->drm_fd, + output->config.connector->connector_id, + DRM_MODE_OBJECT_CONNECTOR, + igt_connector_prop_names[IGT_CONNECTOR_WRITEBACK_PIXEL_FORMATS], + NULL, &blob_id, NULL); + if (ret) + blob = drmModeGetPropertyBlob(output->display->drm_fd, blob_id); + + igt_assert(blob); + + return blob; +} + +static bool check_writeback_config(igt_display_t *display, igt_output_t *output) +{ + igt_fb_t input_fb, output_fb; + igt_plane_t *plane; + uint32_t writeback_format = DRM_FORMAT_XRGB8888; + uint64_t tiling = DRM_FORMAT_MOD_LINEAR; + int width, height, ret; + drmModeModeInfo override_mode = { + .clock = 25175, + .hdisplay = 640, + .hsync_start = 656, + .hsync_end = 752, + .htotal = 800, + .hskew = 0, + .vdisplay = 480, + .vsync_start = 490, + .vsync_end = 492, + .vtotal = 525, + .vscan = 0, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + .name = {"640x480-60"}, + }; + igt_output_override_mode(output, &override_mode); + + width = override_mode.hdisplay; + height = override_mode.vdisplay; + + ret = igt_create_fb(display->drm_fd, width, height, DRM_FORMAT_XRGB8888, tiling, &input_fb); + igt_assert(ret >= 0); + + ret = igt_create_fb(display->drm_fd, width, height, writeback_format, tiling, &output_fb); + igt_assert(ret >= 0); + + plane = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY); + igt_plane_set_fb(plane, &input_fb); + igt_output_set_writeback_fb(output, &output_fb); + + ret = igt_display_try_commit_atomic(display, DRM_MODE_ATOMIC_TEST_ONLY | + DRM_MODE_ATOMIC_ALLOW_MODESET, NULL); + igt_plane_set_fb(plane, NULL); + igt_remove_fb(display->drm_fd, &input_fb); + igt_remove_fb(display->drm_fd, &output_fb); + + return !ret; +} + +static igt_output_t *kms_writeback_get_output(igt_display_t *display) +{ + int i; + + for (i = 0; i < display->n_outputs; i++) { + igt_output_t *output = &display->outputs[i]; + int j; + + if (output->config.connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) + continue; + + for (j = 0; j < igt_display_get_n_pipes(display); j++) { + igt_output_set_pipe(output, j); + + if (check_writeback_config(display, output)) { + igt_debug("Using connector %u:%s on pipe %d\n", + output->config.connector->connector_id, + output->name, j); + return output; + } + } + + igt_debug("We found %u:%s, but this test will not be able to use it.\n", + output->config.connector->connector_id, output->name); + + /* Restore any connectors we don't use, so we don't trip on them later */ + kmstest_force_connector(display->drm_fd, output->config.connector, FORCE_CONNECTOR_UNSPECIFIED); + } + + return NULL; +} + +static void check_writeback_fb_id(igt_output_t *output) +{ + uint64_t check_fb_id; + + check_fb_id = igt_output_get_prop(output, IGT_CONNECTOR_WRITEBACK_FB_ID); + igt_assert(check_fb_id == 0); +} + +static int do_writeback_test(igt_output_t *output, uint32_t fb_id, + int32_t *out_fence_ptr, bool ptr_valid) +{ + int ret; + igt_display_t *display = output->display; + struct kmstest_connector_config *config = &output->config; + + igt_output_set_prop_value(output, IGT_CONNECTOR_CRTC_ID, config->crtc->crtc_id); + igt_output_set_prop_value(output, IGT_CONNECTOR_WRITEBACK_FB_ID, fb_id); + igt_output_set_prop_value(output, IGT_CONNECTOR_WRITEBACK_OUT_FENCE_PTR, to_user_pointer(out_fence_ptr)); + + if (ptr_valid) + *out_fence_ptr = 0; + + ret = igt_display_try_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL); + + if (ptr_valid) + igt_assert(*out_fence_ptr == -1); + + /* WRITEBACK_FB_ID must always read as zero */ + check_writeback_fb_id(output); + + return ret; +} + +static void test_invalid_parameters(igt_output_t *output, igt_fb_t *valid_fb, igt_fb_t *invalid_fb) +{ + int i, ret; + int32_t out_fence; + struct { + uint32_t fb_id; + bool ptr_valid; + int32_t *out_fence_ptr; + } invalid_tests[] = { + { + /* No output buffer, but the WRITEBACK_OUT_FENCE_PTR set. */ + .fb_id = 0, + .ptr_valid = true, + .out_fence_ptr = &out_fence, + }, + { + /* Invalid output buffer. */ + .fb_id = invalid_fb->fb_id, + .ptr_valid = true, + .out_fence_ptr = &out_fence, + }, + { + /* Invalid WRITEBACK_OUT_FENCE_PTR. */ + .fb_id = valid_fb->fb_id, + .ptr_valid = false, + .out_fence_ptr = (int32_t *)0x8, + }, + }; + + for (i = 0; i < ARRAY_SIZE(invalid_tests); i++) { + ret = do_writeback_test(output, invalid_tests[i].fb_id, + invalid_tests[i].out_fence_ptr, + invalid_tests[i].ptr_valid); + igt_assert(ret != 0); + } +} + +static void writeback_fb_id(igt_output_t *output, igt_fb_t *valid_fb, igt_fb_t *invalid_fb) +{ + + int ret; + + /* Invalid object for WRITEBACK_FB_ID */ + ret = do_writeback_test(output, output->id, NULL, false); + igt_assert(ret == -EINVAL); + + /* Zero WRITEBACK_FB_ID */ + ret = do_writeback_test(output, 0, NULL, false); + igt_assert(ret == 0); + + /* Valid output buffer */ + ret = do_writeback_test(output, valid_fb->fb_id, NULL, false); + igt_assert(ret == 0); +} + +igt_main +{ + igt_display_t display; + igt_output_t *output; + igt_plane_t *plane; + igt_fb_t input_fb; + drmModeModeInfo mode; + unsigned int fb_id; + + memset(&display, 0, sizeof(display)); + + igt_fixture { + display.drm_fd = drm_open_driver_master(DRIVER_ANY); + igt_display_require(&display, display.drm_fd); + + kmstest_set_vt_graphics_mode(); + + igt_display_require(&display, display.drm_fd); + + igt_require(display.is_atomic); + + output = kms_writeback_get_output(&display); + igt_require(output); + + if (output->use_override_mode) + memcpy(&mode, &output->override_mode, sizeof(mode)); + else + memcpy(&mode, &output->config.default_mode, sizeof(mode)); + + plane = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY); + igt_assert(plane); + + fb_id = igt_create_fb(display.drm_fd, mode.hdisplay, + mode.vdisplay, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_MOD_LINEAR, + &input_fb); + igt_assert(fb_id >= 0); + igt_plane_set_fb(plane, &input_fb); + } + + igt_describe("Check the writeback format"); + igt_subtest("writeback-pixel-formats") { + drmModePropertyBlobRes *formats_blob = get_writeback_formats_blob(output); + const char *valid_chars = "0123456 ABCGNRUVXY"; + unsigned int i; + char *c; + + /* + * We don't have a comprehensive list of formats, so just check + * that the blob length is sensible and that it doesn't contain + * any outlandish characters + */ + igt_assert(!(formats_blob->length % 4)); + c = formats_blob->data; + for (i = 0; i < formats_blob->length; i++) + igt_assert_f(strchr(valid_chars, c[i]), + "Unexpected character %c\n", c[i]); + drmModeFreePropertyBlob(formats_blob); + } + + igt_describe("Writeback has a couple of parameters linked together" + "(output framebuffer and fence); this test goes through" + "the combination of possible bad options"); + igt_subtest("writeback-invalid-parameters") { + igt_fb_t invalid_output_fb; + fb_id = igt_create_fb(display.drm_fd, mode.hdisplay / 2, + mode.vdisplay / 2, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_MOD_LINEAR, + &invalid_output_fb); + igt_require(fb_id > 0); + + test_invalid_parameters(output, &input_fb, &invalid_output_fb); + + igt_remove_fb(display.drm_fd, &invalid_output_fb); + } + + igt_describe("Validate WRITEBACK_FB_ID with valid and invalid options"); + igt_subtest("writeback-fb-id") { + igt_fb_t output_fb; + fb_id = igt_create_fb(display.drm_fd, mode.hdisplay, mode.vdisplay, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_MOD_LINEAR, + &output_fb); + igt_require(fb_id > 0); + + writeback_fb_id(output, &input_fb, &output_fb); + + igt_remove_fb(display.drm_fd, &output_fb); + } + + igt_fixture { + igt_remove_fb(display.drm_fd, &input_fb); + igt_display_fini(&display); + } +} diff --git a/tests/meson.build b/tests/meson.build index 684de0430..5eb2d2fca 100644 --- a/tests/meson.build +++ b/tests/meson.build @@ -73,6 +73,7 @@ test_progs = [ 'kms_universal_plane', 'kms_vblank', 'kms_vrr', + 'kms_writeback', 'meta_test', 'panfrost_get_param', 'panfrost_gem_new', |