[Intel-gfx] [PATCH i-g-t v5] tests/kms_plane_multiple: CRC based atomic correctness test
Maarten Lankhorst
maarten.lankhorst at linux.intel.com
Mon Nov 7 13:04:12 UTC 2016
Op 02-11-16 om 10:32 schreef Mika Kahola:
> This is a testcase with multiple planes. The idea here is the following
>
> - draw a uniform frame with blue color
> - grab crc for reference
> - put planes randomly on top with the same blue color
> - punch holes with black color into the primary framebuffer
> - ideally the planes should cover these holes so that the output is the
> identical to reference crc
> - composite all with one ioctl call
> - grab crc and verify that the reference crc is equal
> - repeat this for dozen iterations to maximize coverage
>
> v5: Remove limit for max number of iterations and add possibility to
> loop forever (Daniel)
> Remove IN_RANGE() macro (Maarten)
> Remove log file and show random number seed on screen instead (Maarten)
> Split legacy and atomic plane tests on own functions (Maarten)
> remove test_atomic() function and pass test mode info as
> parameter (Maarten)
> Use bigger rectangle size (256x256) for non-cursor planes and
> smaller (128x128) size for cursor plane (Maarten)
>
> v4: For atomic test enable crc capturing before entering into a
> iteration loop. After each iteration, check that page flip
> didn't take no more than 1 vblank, fetch all crc's and check
> the values.
>
> Introduce new command line parameter for the number of iterations.
> The test run from 1 to 256 iterations.
>
> v3: Cleanup by removing separate plane array
> For atomic, pass DRM_MODE_PAGE_FLIP_EVENT
> Grab crc by using igt_pipe_crc_get_crc instead of igt_pipe_crc_collect_crc
> Rename nplanes variable to max_planes
> To optimize test execution, run iterations after the modeset
>
> v2: Keep a logfile on random number seeds per subtest that are not skipped
> due to unmet test requirements
>
> Signed-off-by: Mika Kahola <mika.kahola at intel.com>
> ---
> tests/Makefile.sources | 1 +
> tests/kms_plane_multiple.c | 506 +++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 507 insertions(+)
> create mode 100644 tests/kms_plane_multiple.c
>
> diff --git a/tests/Makefile.sources b/tests/Makefile.sources
> index 6d081c3..ffd59c1 100644
> --- a/tests/Makefile.sources
> +++ b/tests/Makefile.sources
> @@ -105,6 +105,7 @@ TESTS_progs_M = \
> kms_pipe_color \
> kms_pipe_crc_basic \
> kms_plane \
> + kms_plane_multiple \
> kms_properties \
> kms_psr_sink_crc \
> kms_render \
> diff --git a/tests/kms_plane_multiple.c b/tests/kms_plane_multiple.c
> new file mode 100644
> index 0000000..d13ce1c
> --- /dev/null
> +++ b/tests/kms_plane_multiple.c
> @@ -0,0 +1,506 @@
> +/*
> + * Copyright © 2016 Intel Corporation
> + *
> + * 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 "igt.h"
> +#include "drmtest.h"
> +#include <errno.h>
> +#include <stdbool.h>
> +#include <stdio.h>
> +#include <string.h>
> +#include <time.h>
> +
> +IGT_TEST_DESCRIPTION("Test atomic mode setting with multiple planes ");
> +
> +#define MAX_CRCS 1
> +#define SIZE_PLANE 256
> +#define SIZE_CURSOR 128
> +#define LOOP_FOREVER -1
> +
> +typedef struct {
> + float red;
> + float green;
> + float blue;
> +} color_t;
> +
> +typedef struct {
> + int drm_fd;
> + igt_display_t display;
> + igt_pipe_crc_t *pipe_crc;
> + igt_plane_t *plane[IGT_MAX_PLANES];
> + struct igt_fb fb[IGT_MAX_PLANES];
> +} data_t;
> +
> +typedef struct {
> + data_t *data;
> + igt_crc_t reference_crc;
> +} test_position_t;
> +
> +/* Command line parameters. */
> +struct {
> + int iterations;
> + bool user_seed;
> + int seed;
> +} opt = {
> + .iterations = 64,
> + .user_seed = false,
> + .seed = 1,
> +};
> +
> +static inline uint32_t pipe_select(int pipe)
> +{
> + if (pipe > 1)
> + return pipe << DRM_VBLANK_HIGH_CRTC_SHIFT;
> + else if (pipe > 0)
> + return DRM_VBLANK_SECONDARY;
> + else
> + return 0;
> +}
> +
> +static unsigned int get_vblank(int fd, int pipe, unsigned int flags)
> +{
> + union drm_wait_vblank vbl;
> +
> + memset(&vbl, 0, sizeof(vbl));
> + vbl.request.type = DRM_VBLANK_RELATIVE | pipe_select(pipe) | flags;
> + if (drmIoctl(fd, DRM_IOCTL_WAIT_VBLANK, &vbl))
> + return 0;
> +
> + return vbl.reply.sequence;
> +}
> +
> +/*
> + * Common code across all tests, acting on data_t
> + */
> +static void test_init(data_t *data, enum pipe pipe)
> +{
> + data->pipe_crc = igt_pipe_crc_new(pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
> +}
> +
> +static void test_fini(data_t *data, igt_output_t *output, int max_planes)
> +{
> + for (int i = IGT_PLANE_PRIMARY; i <= max_planes; i++)
> + igt_plane_set_fb(data->plane[i], NULL);
> +
> + /* reset the constraint on the pipe */
> + igt_output_set_pipe(output, PIPE_ANY);
> +
> + igt_pipe_crc_free(data->pipe_crc);
> +}
> +
> +static void
> +test_grab_crc(data_t *data, igt_output_t *output, enum pipe pipe, bool atomic,
> + color_t *color, uint64_t tiling, igt_crc_t *crc /* out */)
> +{
> + struct igt_fb fb;
> + drmModeModeInfo *mode;
> + igt_plane_t *primary;
> + int ret, n;
> +
> + igt_output_set_pipe(output, pipe);
> +
> + primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
> +
> + mode = igt_output_get_mode(output);
> +
> + igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888,
> + LOCAL_DRM_FORMAT_MOD_NONE,
> + color->red, color->green, color->blue,
> + &fb);
> +
> + igt_plane_set_fb(primary, &fb);
> +
> + ret = igt_display_try_commit2(&data->display,
> + atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
> + igt_skip_on(ret != 0);
> +
> + igt_pipe_crc_start(data->pipe_crc);
> + n = igt_pipe_crc_get_crcs(data->pipe_crc, 1, &crc);
> + igt_assert_eq(n, 1);
> + igt_pipe_crc_stop(data->pipe_crc);
> +
> + igt_plane_set_fb(primary, NULL);
> +
> + ret = igt_display_try_commit2(&data->display,
> + atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
> + igt_skip_on(ret != 0);
> +
> + igt_remove_fb(data->drm_fd, &fb);
> +}
> +
> +/*
> + * Multiple plane position test.
> + * - We start by grabbing a reference CRC of a full blue fb being scanned
> + * out on the primary plane
> + * - Then we scannout number of planes:
> + * * the primary plane uses a blue fb with a black rectangle hole
> + * * planes, on top of the primary plane, with a blue fb that is set-up
> + * to cover the black rectangles of the primary plane fb
> + * The resulting CRC should be identical to the reference CRC
> + */
> +
> +static void
> +create_fb_for_mode_position(data_t *data, drmModeModeInfo *mode,
> + color_t *color, int *rect_x, int *rect_y,
> + int *rect_w, int *rect_h, uint64_t tiling,
> + int max_planes)
> +{
> + unsigned int fb_id;
> + cairo_t *cr;
> +
> + fb_id = igt_create_fb(data->drm_fd,
> + mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888,
> + tiling,
> + &data->fb[IGT_PLANE_PRIMARY]);
> + igt_assert(fb_id);
> +
> + cr = igt_get_cairo_ctx(data->drm_fd, &data->fb[IGT_PLANE_PRIMARY]);
> + igt_paint_color(cr, rect_x[0], rect_y[0],
> + mode->hdisplay, mode->vdisplay,
> + color->red, color->green, color->blue);
> +
> + for (int i = IGT_PLANE_2; i <= max_planes; i++)
> + igt_paint_color(cr, rect_x[i], rect_y[i],
> + rect_w[i], rect_h[i], 0.0, 0.0, 0.0);
> +
> + igt_assert(cairo_status(cr) == 0);
> + cairo_destroy(cr);
> +}
> +
> +
> +static void
> +test_planes(data_t *data, enum pipe pipe, color_t *color,
> + uint64_t tiling, int max_planes, igt_output_t *output)
^prepare_planes?
> +{
> + drmModeModeInfo *mode;
> + int x[IGT_MAX_PLANES];
> + int y[IGT_MAX_PLANES];
> + int size[IGT_MAX_PLANES];
> + int i;
> +
> + igt_output_set_pipe(output, pipe);
> +
> + mode = igt_output_get_mode(output);
> +
> + /* planes with random positions */
> + x[IGT_PLANE_PRIMARY] = 0;
> + y[IGT_PLANE_PRIMARY] = 0;
> + for (i = IGT_PLANE_2; i <= max_planes; i++) {
> + if (i == IGT_PLANE_CURSOR)
> + size[i] = SIZE_CURSOR;
> + else
> + size[i] = SIZE_PLANE;
> +
> + x[i] = rand() % (mode->hdisplay - size[i]);
> + y[i] = rand() % (mode->vdisplay - size[i]);
> +
> + data->plane[i] = igt_output_get_plane(output, i);
> +
> + igt_create_color_fb(data->drm_fd,
> + size[i], size[i],
> + data->plane[i]->is_cursor ? DRM_FORMAT_ARGB8888 : DRM_FORMAT_XRGB8888,
> + tiling,
> + color->red, color->green, color->blue,
> + &data->fb[i]);
> +
> + igt_plane_set_position(data->plane[i], x[i], y[i]);
> + igt_plane_set_fb(data->plane[i], &data->fb[i]);
> + }
> +
> + /* primary plane */
> + data->plane[IGT_PLANE_PRIMARY] = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
> + create_fb_for_mode_position(data, mode, color, x, y,
> + size, size, tiling, max_planes);
> + igt_plane_set_fb(data->plane[IGT_PLANE_PRIMARY], &data->fb[IGT_PLANE_PRIMARY]);
> +}
> +
> +static void
> +test_atomic_plane_position_with_output(data_t *data, enum pipe pipe,
> + igt_output_t *output, int max_planes,
> + uint64_t tiling)
> +{
> + char buf[256];
> + struct drm_event *e = (void *)buf;
> + test_position_t test = { .data = data };
> + color_t blue = { 0.0f, 0.0f, 1.0f };
> + igt_crc_t *crc = NULL;
> + unsigned int vblank_start;
> + int i, n, ret;
> + int iterations = opt.iterations < 1 ? 1 : opt.iterations;
> + bool loop_forever;
> + char info[256];
> +
> + if (opt.iterations == LOOP_FOREVER) {
> + loop_forever = true;
> + sprintf(info, "forever");
> + } else {
> + loop_forever = false;
> + sprintf(info, "for %d %s",
> + iterations, iterations > 1 ? "iterations" : "iteration");
> + }
> +
> + igt_info("Testing connector %s using pipe %s with %d planes %s with seed %d\n",
> + igt_output_name(output), kmstest_pipe_name(pipe), max_planes,
> + info, opt.seed);
> +
> + test_init(data, pipe);
> +
> + test_grab_crc(data, output, pipe, true, &blue, tiling,
> + &test.reference_crc);
^This function removes the old fb and unsets the fb. You could prevent a legacy modeset here by preserving the fb until after the test loop.
Can also keep crc enabled here.
> + igt_pipe_crc_start(data->pipe_crc);
> + \
> + i = 0;
> + while (i < iterations || loop_forever) {
> + test_planes(data, pipe, &blue, tiling, max_planes, output);
> +
> + vblank_start = get_vblank(data->display.drm_fd, pipe, DRM_VBLANK_NEXTONMISS);
> +
> + igt_display_commit_atomic(&data->display,
> + DRM_MODE_PAGE_FLIP_EVENT,
> + &data->display);
> +
> + igt_set_timeout(1, "Stuck on page flip");
> +
> + ret = read(data->display.drm_fd, buf, sizeof(buf));
> + igt_assert(ret >= 0);
> +
> + igt_assert_eq(get_vblank(data->display.drm_fd, pipe, 0), vblank_start + 1);
> + igt_assert_eq(e->type, DRM_EVENT_FLIP_COMPLETE);
> + igt_reset_timeout();
> +
> + n = igt_pipe_crc_get_crcs(data->pipe_crc, MAX_CRCS, &crc);
> +
> + igt_assert_eq(n, MAX_CRCS);
> +
> + igt_assert_crc_equal(&test.reference_crc, crc);
> +
> + i++;
> + }
> +
> + igt_pipe_crc_stop(data->pipe_crc);
> +
> + test_fini(data, output, max_planes);
> +}
> +
> +static void
> +test_legacy_plane_position_with_output(data_t *data, enum pipe pipe,
> + igt_output_t *output, int max_planes,
> + uint64_t tiling)
> +{
> + test_position_t test = { .data = data };
> + color_t blue = { 0.0f, 0.0f, 1.0f };
> + igt_crc_t *crc;
> + int i, n;
> + int iterations = opt.iterations < 1 ? 1 : opt.iterations;
> + bool loop_forever;
> + char info[256];
> +
> + if (opt.iterations == LOOP_FOREVER) {
> + loop_forever = true;
> + sprintf(info, "forever");
> + } else {
> + loop_forever = false;
> + sprintf(info, "for %d %s",
> + iterations, iterations > 1 ? "iterations" : "iteration");
> + }
> +
> + igt_info("Testing connector %s using pipe %s with %d planes %s with seed %d\n",
> + igt_output_name(output), kmstest_pipe_name(pipe), max_planes,
> + info, opt.seed);
> +
> + test_init(data, pipe);
> +
> + test_grab_crc(data, output, pipe, false, &blue, tiling,
> + &test.reference_crc);
> +
> + i = 0;
> + while (i < iterations || loop_forever) {
> + test_planes(data, pipe, &blue, tiling, max_planes, output);
> +
> + igt_display_commit2(&data->display, COMMIT_LEGACY);
> +
> + igt_pipe_crc_start(data->pipe_crc);
> + n = igt_pipe_crc_get_crcs(data->pipe_crc, 1, &crc);
> + igt_assert_eq(n, 1);
> + igt_pipe_crc_stop(data->pipe_crc);
^Why do you still start/stop crc per update here?
> + igt_assert_crc_equal(&test.reference_crc, crc);
> +
> + i++;
> + }
> +
> + test_fini(data, output, max_planes);
> +}
> +
> +static void
> +test_plane_position(data_t *data, enum pipe pipe, bool atomic, int max_planes,
> + uint64_t tiling)
> +{
> + igt_output_t *output;
> + int connected_outs;
> +
> + if (atomic)
> + igt_require(data->display.is_atomic);
> +
> + igt_skip_on(pipe >= data->display.n_pipes);
> + igt_skip_on(max_planes >= data->display.pipes[pipe].n_planes);
> +
> + if (!opt.user_seed)
> + opt.seed = time(NULL);
> +
> + srand(opt.seed);
> +
> + connected_outs = 0;
> + for_each_connected_output(&data->display, output) {
> + if (atomic)
> + test_atomic_plane_position_with_output(data, pipe,
> + output,
> + max_planes,
> + tiling);
> + else
> + test_legacy_plane_position_with_output(data, pipe,
> + output,
> + max_planes,
> + tiling);
> +
> + connected_outs++;
> + }
> +
> + igt_skip_on(connected_outs == 0);
> +
> +}
> +
> +static void
> +run_tests_for_pipe_plane(data_t *data, enum pipe pipe, int max_planes)
> +{
> + igt_subtest_f("legacy-pipe-%s-tiling-none-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, false, max_planes,
> + LOCAL_DRM_FORMAT_MOD_NONE);
> +
> + igt_subtest_f("atomic-pipe-%s-tiling-none-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, true, max_planes,
> + LOCAL_I915_FORMAT_MOD_X_TILED);
> +
> + igt_subtest_f("legacy-pipe-%s-tiling-x-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, false, max_planes,
> + LOCAL_I915_FORMAT_MOD_X_TILED);
> +
> + igt_subtest_f("atomic-pipe-%s-tiling-x-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, true, max_planes,
> + LOCAL_I915_FORMAT_MOD_X_TILED);
> +
> + igt_subtest_f("legacy-pipe-%s-tiling-y-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, false, max_planes,
> + LOCAL_I915_FORMAT_MOD_Y_TILED);
> +
> + igt_subtest_f("atomic-pipe-%s-tiling-y-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, true, max_planes,
> + LOCAL_I915_FORMAT_MOD_Y_TILED);
> +
> + igt_subtest_f("legacy-pipe-%s-tiling-yf-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, false, max_planes,
> + LOCAL_I915_FORMAT_MOD_Yf_TILED);
> +
> + igt_subtest_f("atomic-pipe-%s-tiling-yf-planes-%d",
> + kmstest_pipe_name(pipe), max_planes)
> + test_plane_position(data, pipe, true, max_planes,
> + LOCAL_I915_FORMAT_MOD_Yf_TILED);
> +}
> +
> +static void
> +run_tests_for_pipe(data_t *data, enum pipe pipe)
> +{
> + for (int planes = IGT_PLANE_PRIMARY; planes < IGT_MAX_PLANES; planes++)
> + run_tests_for_pipe_plane(data, pipe, planes);
> +}
> +
> +static data_t data;
> +
> +static int opt_handler(int option, int option_index, void *input)
> +{
> + switch (option) {
> + case 'i':
> + opt.iterations = strtol(optarg, NULL, 0);
> +
> + if (opt.iterations < LOOP_FOREVER || opt.iterations == 0) {
> + igt_info("incorrect number of iterations\n");
> + igt_assert(false);
> + }
> +
> + break;
> + case 's':
> + opt.user_seed = true;
> + opt.seed = strtol(optarg, NULL, 0);
> + break;
> + default:
> + igt_assert(false);
> + }
> +
> + return 0;
> +}
> +
> +const char *help_str =
> + " --iterations Number of iterations for test coverage. -1 loop forever, default 64 iterations\n"
> + " --seed Seed for random number generator\n";
> +
> +int main(int argc, char *argv[])
> +{
> + struct option long_options[] = {
> + { "iterations", required_argument, NULL, 'i'},
> + { "seed", required_argument, NULL, 's'},
> + { 0, 0, 0, 0 }
> + };
> +
> + igt_subtest_init_parse_opts(&argc, argv, "", long_options, help_str,
> + opt_handler, NULL);
> +
> + igt_skip_on_simulation();
> +
> + igt_fixture {
> + data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
> +
> + kmstest_set_vt_graphics_mode();
> +
> + igt_require_pipe_crc();
> + igt_display_init(&data.display, data.drm_fd);
> + }
> +
> + for (int pipe = 0; pipe < I915_MAX_PIPES; pipe++)
> + run_tests_for_pipe(&data, pipe);
> +
> + igt_fixture {
> + igt_display_fini(&data.display);
> + }
> +
> + igt_exit();
> +}
Rest looks ok.
~Maarten
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