diff options
Diffstat (limited to 'tests/kms_setmode.c')
-rw-r--r-- | tests/kms_setmode.c | 728 |
1 files changed, 728 insertions, 0 deletions
diff --git a/tests/kms_setmode.c b/tests/kms_setmode.c new file mode 100644 index 00000000..47fab25a --- /dev/null +++ b/tests/kms_setmode.c @@ -0,0 +1,728 @@ +/* + * 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 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. + * + * Authors: + * Imre Deak <imre.deak@intel.com> + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <assert.h> +#include <cairo.h> +#include <errno.h> +#include <stdint.h> +#include <unistd.h> +#include <string.h> +#include <getopt.h> +#include <sys/time.h> + +#include "drm_fourcc.h" +#include "drmtest.h" +#include "intel_bufmgr.h" +#include "intel_batchbuffer.h" +#include "intel_gpu_tools.h" + +#define MAX_CONNECTORS 10 +#define MAX_CRTCS 3 + +/* max combinations with repetitions */ +#define MAX_COMBINATION_COUNT \ + (MAX_CONNECTORS * MAX_CONNECTORS * MAX_CONNECTORS) +#define MAX_COMBINATION_ELEMS MAX_CRTCS + +static int drm_fd; +static drmModeRes *drm_resources; +static int filter_test_id; +static bool dry_run; + +const drmModeModeInfo mode_640_480 = { + .name = "640x480", + .vrefresh = 60, + .clock = 25200, + + .hdisplay = 640, + .hsync_start = 656, + .hsync_end = 752, + .htotal = 800, + + .vdisplay = 480, + .vsync_start = 490, + .vsync_end = 492, + .vtotal = 525, + + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, +}; + +enum test_flags { + TEST_INVALID = 0x01, + TEST_CLONE = 0x02, + TEST_SINGLE_CRTC_CLONE = 0x04, + TEST_EXCLUSIVE_CRTC_CLONE = 0x08, +}; + +struct test_config { + const char *name; + enum test_flags flags; + drmModeRes *resources; +}; + +struct connector_config { + drmModeConnector *connector; + int crtc_idx; + bool connected; + drmModeModeInfo default_mode; +}; + +struct crtc_config { + int crtc_idx; + int crtc_id; + int pipe_id; + int connector_count; + struct connector_config *cconfs; + struct kmstest_fb fb_info; + drmModeModeInfo mode; +}; + +static bool drm_mode_equal(drmModeModeInfo *m1, drmModeModeInfo *m2) +{ +#define COMP(x) do { if (m1->x != m2->x) return false; } while (0) + COMP(vrefresh); + COMP(clock); + COMP(hdisplay); + COMP(hsync_start); + COMP(hsync_end); + COMP(htotal); + COMP(vdisplay); + COMP(vsync_start); + COMP(vsync_end); + COMP(vtotal); + COMP(flags); + + return true; +} + +static bool connector_supports_mode(drmModeConnector *connector, + drmModeModeInfo *mode) +{ + int i; + + for (i = 0; i < connector->count_modes; i++) + if (drm_mode_equal(&connector->modes[i], mode)) + return true; + + return false; +} + +static bool crtc_supports_mode(struct crtc_config *crtc, drmModeModeInfo *mode) +{ + int i; + + for (i = 0; i < crtc->connector_count; i++) { + if (!connector_supports_mode(crtc->cconfs[i].connector, mode)) + return false; + } + + return true; +} + +static int paint_fb(struct kmstest_fb *fb, const char *test_name, + const char **crtc_str, int crtc_count, int current_crtc_idx) +{ + double x, y; + cairo_t *cr; + int i; + + cr = kmstest_get_cairo_ctx(drm_fd, fb); + if (!cr) + return -1; + + kmstest_paint_test_pattern(cr, fb->width, fb->height); + + cairo_select_font_face(cr, "Helvetica", CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_move_to(cr, fb->width / 2, fb->height / 2); + cairo_set_font_size(cr, 24); + kmstest_cairo_printf_line(cr, align_hcenter, 40, "%s", test_name); + + cairo_get_current_point(cr, &x, &y); + cairo_move_to(cr, 60, y); + + for (i = 0; i < crtc_count; i++) { + if (i == current_crtc_idx) { + cairo_get_current_point(cr, &x, &y); + cairo_move_to(cr, x - 20, y); + kmstest_cairo_printf_line(cr, align_right, 20, "X"); + cairo_move_to(cr, x, y); + } + kmstest_cairo_printf_line(cr, align_left, 20, "%s", + crtc_str[i]); + } + + return 0; +} + +static void create_fb_for_crtc(struct crtc_config *crtc, + struct kmstest_fb *fb_info) +{ + int bpp; + int depth; + bool enable_tiling; + int fb_id; + + bpp = 32; + depth = 24; + enable_tiling = false; + fb_id = kmstest_create_fb(drm_fd, crtc->mode.hdisplay, + crtc->mode.vdisplay, bpp, depth, + enable_tiling, fb_info); + assert(fb_id > 0); +} + +static void get_mode_for_crtc(struct crtc_config *crtc, + drmModeModeInfo *mode_ret) +{ + drmModeModeInfo mode; + int i; + + /* + * First try to select a default mode that is supported by all + * connectors. + */ + for (i = 0; i < crtc->connector_count; i++) { + mode = crtc->cconfs[i].default_mode; + if (crtc_supports_mode(crtc, &mode)) + goto found; + } + + /* + * Then just fall back to find any that is supported by all + * connectors. + */ + for (i = 0; i < crtc->cconfs[0].connector->count_modes; i++) { + mode = crtc->cconfs[0].connector->modes[i]; + if (crtc_supports_mode(crtc, &mode)) + goto found; + } + + /* + * If none is found then just pick the default mode of the first + * connector and hope the other connectors can support it by scaling + * etc. + */ + mode = crtc->cconfs[0].default_mode; +found: + *mode_ret = mode; +} + +static int get_encoder_idx(drmModeRes *resources, drmModeEncoder *encoder) +{ + int i; + + for (i = 0; i < resources->count_encoders; i++) + if (resources->encoders[i] == encoder->encoder_id) + return i; + assert(0); +} + +static void get_crtc_config_str(struct crtc_config *crtc, char *buf, + size_t buf_size) +{ + int pos; + int i; + + pos = snprintf(buf, buf_size, + "CRTC[%d] [Pipe %s] Mode: %s@%dHz Connectors: ", + crtc->crtc_id, kmstest_pipe_str(crtc->pipe_id), + crtc->mode.name, crtc->mode.vrefresh); + if (pos > buf_size) + return; + for (i = 0; i < crtc->connector_count; i++) { + drmModeConnector *connector = crtc->cconfs[i].connector; + + pos += snprintf(&buf[pos], buf_size - pos, + "%s%s-%d[%d]%s", i ? ", " : "", + kmstest_connector_type_str(connector->connector_type), + connector->connector_type_id, connector->connector_id, + crtc->cconfs[i].connected ? "" : " (NC)"); + if (pos > buf_size) + return; + } +} + +static void setup_crtcs(drmModeRes *resources, struct connector_config *cconf, + int connector_count, struct crtc_config *crtcs, + int *crtc_count_ret, bool *config_valid_ret) +{ + struct crtc_config *crtc; + int crtc_count; + bool config_valid; + int i; + + i = 0; + crtc_count = 0; + crtc = crtcs; + config_valid = true; + + while (i < connector_count) { + drmModeCrtc *drm_crtc; + unsigned long encoder_mask; + int j; + + igt_assert(crtc_count < MAX_CRTCS); + + crtc->crtc_idx = cconf[i].crtc_idx; + drm_crtc = drmModeGetCrtc(drm_fd, + resources->crtcs[crtc->crtc_idx]); + crtc->crtc_id = drm_crtc->crtc_id; + drmModeFreeCrtc(drm_crtc); + crtc->pipe_id = kmstest_get_pipe_from_crtc_id(drm_fd, + crtc->crtc_id); + + crtc->connector_count = 1; + for (j = i + 1; j < connector_count; j++) + if (cconf[j].crtc_idx == crtc->crtc_idx) + crtc->connector_count++; + + crtc->cconfs = malloc(sizeof(*crtc->cconfs) * + crtc->connector_count); + assert(crtc->cconfs); + + encoder_mask = 0; + for (j = 0; j < crtc->connector_count; j++) { + drmModeConnector *connector; + drmModeEncoder *encoder; + + crtc->cconfs[j] = cconf[i + j]; + connector = cconf[i + j].connector; + + /* Intel connectors have only a single encoder */ + igt_assert(connector->count_encoders == 1); + encoder = drmModeGetEncoder(drm_fd, + connector->encoders[0]); + assert(encoder); + + config_valid &= !!(encoder->possible_crtcs & + (1 << crtc->crtc_idx)); + + encoder_mask |= 1 << get_encoder_idx(resources, + encoder); + config_valid &= !(encoder_mask & + ~encoder->possible_clones); + + drmModeFreeEncoder(encoder); + } + get_mode_for_crtc(crtc, &crtc->mode); + create_fb_for_crtc(crtc, &crtc->fb_info); + + i += crtc->connector_count; + crtc_count++; + crtc++; + } + + *crtc_count_ret = crtc_count; + *config_valid_ret = config_valid; +} + +static void cleanup_crtcs(struct crtc_config *crtcs, int crtc_count) +{ + int i; + + for (i = 0; i < crtc_count; i++) { + free(crtcs[i].cconfs); + } +} + +static uint32_t *get_connector_ids(struct crtc_config *crtc) +{ + uint32_t *ids; + int i; + + ids = malloc(sizeof(*ids) * crtc->connector_count); + assert(ids); + for (i = 0; i < crtc->connector_count; i++) + ids[i] = crtc->cconfs[i].connector->connector_id; + + return ids; +} + +static void test_crtc_config(const struct test_config *tconf, + struct crtc_config *crtcs, int crtc_count) +{ + char str_buf[MAX_CRTCS][1024]; + const char *crtc_strs[MAX_CRTCS]; + struct crtc_config *crtc; + static int test_id; + bool config_failed = false; + bool connector_connected = false; + int ret = 0; + int i; + + test_id++; + + if (filter_test_id && filter_test_id != test_id) + return; + + printf(" Test id#%d CRTC count %d\n", test_id, crtc_count); + + for (i = 0; i < crtc_count; i++) { + get_crtc_config_str(&crtcs[i], str_buf[i], sizeof(str_buf[i])); + crtc_strs[i] = &str_buf[i][0]; + } + + if (dry_run) { + for (i = 0; i < crtc_count; i++) + printf(" %s\n", crtc_strs[i]); + return; + } + + for (i = 0; i < crtc_count; i++) { + uint32_t *ids; + int j; + + crtc = &crtcs[i]; + + printf(" %s\n", crtc_strs[i]); + + create_fb_for_crtc(crtc, &crtc->fb_info); + paint_fb(&crtc->fb_info, tconf->name, crtc_strs, crtc_count, i); + + ids = get_connector_ids(crtc); + ret = drmModeSetCrtc(drm_fd, crtc->crtc_id, + crtc->fb_info.fb_id, 0, 0, ids, + crtc->connector_count, &crtc->mode); + free(ids); + + if (ret < 0) { + igt_assert(errno == EINVAL); + config_failed = true; + } + + for (j = 0; j < crtc->connector_count; j++) + connector_connected |= crtc->cconfs[j].connected; + } + + igt_assert(config_failed == !!(tconf->flags & TEST_INVALID)); + + if (ret == 0 && connector_connected && !(tconf->flags & TEST_INVALID)) + sleep(5); + + for (i = 0; i < crtc_count; i++) { + if (crtcs[i].fb_info.fb_id) { + drmModeSetCrtc(drm_fd, crtcs[i].crtc_id, 0, 0, 0, NULL, + 0, NULL); + drmModeRmFB(drm_fd, crtcs[i].fb_info.fb_id); + crtcs[i].fb_info.fb_id = 0; + } + } + + return; +} + +static void test_one_combination(const struct test_config *tconf, + struct connector_config *cconfs, + int connector_count) +{ + struct crtc_config crtcs[MAX_CRTCS]; + int crtc_count; + bool config_valid; + + setup_crtcs(tconf->resources, cconfs, connector_count, crtcs, + &crtc_count, &config_valid); + + if (config_valid == !(tconf->flags & TEST_INVALID)) + test_crtc_config(tconf, crtcs, crtc_count); + + cleanup_crtcs(crtcs, crtc_count); +} + +static int assign_crtc_to_connectors(const struct test_config *tconf, + int *crtc_idxs, int connector_count, + struct connector_config *cconfs) +{ + unsigned long crtc_idx_mask; + int i; + + crtc_idx_mask = 0; + for (i = 0; i < connector_count; i++) { + int crtc_idx = crtc_idxs[i]; + + if ((tconf->flags & TEST_SINGLE_CRTC_CLONE) && + crtc_idx_mask & ~(1 << crtc_idx)) + return -1; + + if ((tconf->flags & TEST_EXCLUSIVE_CRTC_CLONE) && + crtc_idx_mask & (1 << crtc_idx)) + return -1; + + crtc_idx_mask |= 1 << crtc_idx; + + cconfs[i].crtc_idx = crtc_idx; + } + + return 0; +} + +static int get_one_connector(drmModeRes *resources, int connector_id, + struct connector_config *cconf) +{ + drmModeConnector *connector; + drmModeModeInfo mode; + + connector = drmModeGetConnector(drm_fd, connector_id); + assert(connector); + cconf->connector = connector; + + cconf->connected = connector->connection == DRM_MODE_CONNECTED; + + /* + * For DP/eDP we need a connected sink, since mode setting depends + * on successful link training and retrieved DPCD parameters. + */ + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_DisplayPort: + case DRM_MODE_CONNECTOR_eDP: + if (!cconf->connected) { + drmModeFreeConnector(connector); + return -1; + } + } + + if (cconf->connected) { + if (kmstest_get_connector_default_mode(drm_fd, connector, + &mode) < 0) + mode = mode_640_480; + } else { + mode = mode_640_480; + } + + cconf->default_mode = mode; + + return 0; +} + +static int get_connectors(drmModeRes *resources, int *connector_idxs, + int connector_count, struct connector_config *cconfs) +{ + int i; + + for (i = 0; i < connector_count; i++) { + int connector_idx; + int connector_id; + + connector_idx = connector_idxs[i]; + assert(connector_idx < resources->count_connectors); + connector_id = resources->connectors[connector_idx]; + + if (get_one_connector(resources, connector_id, &cconfs[i]) < 0) + goto err; + + } + + return 0; + +err: + while (i--) + drmModeFreeConnector(cconfs[i].connector); + + return -1; +} + +static void free_connectors(struct connector_config *cconfs, + int connector_count) +{ + int i; + + for (i = 0; i < connector_count; i++) + drmModeFreeConnector(cconfs[i].connector); +} + +struct combination { + int elems[MAX_COMBINATION_ELEMS]; +}; + +struct combination_set { + int count; + struct combination items[MAX_COMBINATION_COUNT]; +}; + +/* + * Get all possible selection of k elements from n elements with or without + * repetitions. + */ +static void iterate_combinations(int n, int k, bool allow_repetitions, + int depth, int base, struct combination *comb, + struct combination_set *set) +{ + int v; + + if (!k) { + assert(set->count < ARRAY_SIZE(set->items)); + set->items[set->count++] = *comb; + return; + } + + for (v = base; v < n; v++) { + comb->elems[depth] = v; + iterate_combinations(n, k - 1, allow_repetitions, + depth + 1, allow_repetitions ? 0 : v + 1, + comb, set); + } + +} + +static void get_combinations(int n, int k, bool allow_repetitions, + struct combination_set *set) +{ + struct combination comb; + + assert(k <= ARRAY_SIZE(set->items[0].elems)); + set->count = 0; + iterate_combinations(n, k, allow_repetitions, 0, 0, &comb, set); +} + +static void test_combinations(const struct test_config *tconf, + int connector_count) +{ + struct combination_set connector_combs; + struct combination_set crtc_combs; + struct connector_config *cconfs; + int i; + + get_combinations(tconf->resources->count_connectors, connector_count, + false, &connector_combs); + get_combinations(tconf->resources->count_crtcs, connector_count, + true, &crtc_combs); + + printf("Testing: %s %d connector combinations\n", tconf->name, + connector_count); + for (i = 0; i < connector_combs.count; i++) { + int *connector_idxs; + int ret; + int j; + + cconfs = malloc(sizeof(*cconfs) * connector_count); + assert(cconfs); + + connector_idxs = &connector_combs.items[i].elems[0]; + ret = get_connectors(tconf->resources, connector_idxs, + connector_count, cconfs); + if (ret < 0) + goto free_cconfs; + + for (j = 0; j < crtc_combs.count; j++) { + int *crtc_idxs = &crtc_combs.items[j].elems[0]; + ret = assign_crtc_to_connectors(tconf, crtc_idxs, + connector_count, + cconfs); + if (ret < 0) + continue; + + test_one_combination(tconf, cconfs, connector_count); + } + + free_connectors(cconfs, connector_count); +free_cconfs: + free(cconfs); + } +} + +static void run_test(const struct test_config *tconf) +{ + int connector_num; + + connector_num = tconf->flags & TEST_CLONE ? 2 : 1; + for (; connector_num <= tconf->resources->count_crtcs; connector_num++) + test_combinations(tconf, connector_num); +} + +static int opt_handler(int opt, int opt_index) +{ + switch (opt) { + case 'd': + dry_run = true; + break; + case 't': + filter_test_id = atoi(optarg); + break; + default: + assert(0); + } + + return 0; +} + +int main(int argc, char **argv) +{ + const struct { + enum test_flags flags; + const char *name; + } tests[] = { + { TEST_INVALID | TEST_CLONE | TEST_SINGLE_CRTC_CLONE, + "invalid-clone-single-crtc" }, + { TEST_INVALID | TEST_CLONE | TEST_EXCLUSIVE_CRTC_CLONE, + "invalid-clone-exclusive-crtc" }, + { TEST_CLONE | TEST_EXCLUSIVE_CRTC_CLONE, + "clone-exclusive-crtc" }, + }; + const char *help_str = + " -d\t\tDon't run any test, only print what would be done. (still needs DRM access)\n" + " -t <test id>\tRun only the test with this id."; + int i; + int ret; + + ret = igt_subtest_init_parse_opts(argc, argv, "dt:", NULL, help_str, + opt_handler); + if (ret < 0) + return ret == -1 ? 0 : ret; + + igt_skip_on_simulation(); + + if (dry_run && filter_test_id) { + fprintf(stderr, "only one of -d and -t is accepted\n"); + exit(1); + } + + igt_fixture { + drm_fd = drm_open_any(); + do_or_die(igt_set_vt_graphics_mode()); + + drm_resources = drmModeGetResources(drm_fd); + assert(drm_resources); + } + + for (i = 0; i < ARRAY_SIZE(tests); i++) { + igt_subtest(tests[i].name) { + struct test_config tconf = { + .flags = tests[i].flags, + .name = tests[i].name, + .resources = drm_resources, + }; + run_test(&tconf); + } + } + + igt_fixture { + drmModeFreeResources(drm_resources); + + close(drm_fd); + } + + igt_exit(); +} |