On Tue, 22 Nov 2016, Manasi Navare <manasi.d.navare@xxxxxxxxx> wrote:
> +
> +static void get_test_videopattern_data(void)
> +{
> + int count = 0;
> + uint16_t video_pattern_value[3];
> + char video_pattern_attribute[15];
> +
> + if (!test_data_fp)
> + fprintf(stderr, "Invalid Test data File pointer\r\n");
> +
> + rewind(test_data_fp);
> + while (!feof(test_data_fp) && count < 3)
> + fscanf(test_data_fp, "%s %u\n", video_pattern_attribute,
> + (unsigned int *)&video_pattern_value[count++]);
> +
> + hdisplay = video_pattern_value[0];
> + vdisplay = video_pattern_value[1];
> + bitdepth = video_pattern_value[2];
> + igt_info("Hdisplay = %d\r\n", hdisplay);
> + igt_info("Vdisplay = %d\r\n", vdisplay);
> + igt_info("BitDepth = %u\r\n", bitdepth);
> +
> +}
If you have this working now, I guess we can go with what's in [1] since
that's fairly isolated for now. It's debugfs, so we can remove it
later. In the long run, I do want this using DPCD directly though.
BR,
Jani.
[1] http://patchwork.freedesktop.org/patch/msgid/1479850766-32748-6-git-send-email-manasi.d.navare@xxxxxxxxx
> +
> +static int process_test_request(int test_type)
> +{
> + int mode;
> + unsigned long test_data_edid;
> + int status = 0;
> +
> + switch (test_type) {
> + case DP_TEST_LINK_VIDEO_PATTERN:
> + video_pattern_flag = true;
> + get_test_videopattern_data();
> + mode = INTEL_MODE_VIDEO_PATTERN_TEST;
> + break;
> + case DP_TEST_LINK_EDID_READ:
> + test_data_edid = get_test_edid_data();
> + mode = (test_data_edid & DP_COMPLIANCE_VIDEO_MODE_MASK) >>
> + INTEL_DP_RESOLUTION_SHIFT_MASK;
> + break;
> + default:
> + /* Unknown test type */
> + fprintf(stderr, "Invalid test request. Ignored.\r\n");
> + break;
> + }
> + status = update_display(mode, true);
> +
> + /* Return 0 on success and -1 on failure */
> + return status;
> +}
> +
> +static void dump_connectors_fd(int drmfd)
> +{
> + int i, j;
> +
> + drmModeRes *mode_resources = drmModeGetResources(drmfd);
> +
> + if (!mode_resources) {
> + igt_warn("drmModeGetResources failed: %s\n", strerror(errno));
> + return;
> + }
> +
> + igt_info("Connectors:\n");
> + igt_info("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\n");
> + for (i = 0; i < mode_resources->count_connectors; i++) {
> + drmModeConnector *connector;
> +
> + connector = drmModeGetConnectorCurrent(drmfd,
> + mode_resources->connectors[i]);
> + if (!connector) {
> + igt_warn("could not get connector %i: %s\n", mode_resources->connectors[i], strerror(errno));
> + continue;
> + }
> +
> + igt_info("%d\t%d\t%s\t%s\t%dx%d\t\t%d\n", connector->connector_id, connector->encoder_id, kmstest_connector_status_str(connector->connection), kmstest_connector_type_str(connector->connector_type), connector->mmWidth, connector->mmHeight, connector->count_modes);
> +
> + if (!connector->count_modes)
> + continue;
> +
> + igt_info(" modes:\n");
> + igt_info(" name refresh (Hz) hdisp hss hse htot vdisp ""vss vse vtot flags type clock\n");
> + for (j = 0; j < connector->count_modes; j++) {
> + igt_info("[%d]", j);
> + kmstest_dump_mode(&connector->modes[j]);
> + }
> +
> + drmModeFreeConnector(connector);
> + }
> + igt_info("\n");
> +
> + drmModeFreeResources(mode_resources);
> +}
> +
> +static void dump_crtcs_fd(int drmfd)
> +{
> + int i;
> + drmModeRes *mode_resources = drmModeGetResources(drmfd);
> +
> + igt_info("CRTCs:\n");
> + igt_info("id\tfb\tpos\tsize\n");
> + for (i = 0; i < mode_resources->count_crtcs; i++) {
> + drmModeCrtc *crtc;
> +
> + crtc = drmModeGetCrtc(drmfd, mode_resources->crtcs[i]);
> + if (!crtc) {
> + igt_warn("could not get crtc %i: %s\n", mode_resources->crtcs[i], strerror(errno));
> + continue;
> + }
> + igt_info("%d\t%d\t(%d,%d)\t(%dx%d)\n", crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y, crtc->width, crtc->height);
> + kmstest_dump_mode(&crtc->mode);
> +
> + drmModeFreeCrtc(crtc);
> + }
> + igt_info("\n");
> +
> + drmModeFreeResources(mode_resources);
> +}
> +
> +static void dump_info(void)
> +{
> + dump_connectors_fd(drm_fd);
> + dump_crtcs_fd(drm_fd);
> +}
> +
> +static void connector_find_preferred_mode(uint32_t connector_id,
> + unsigned long crtc_idx_mask,
> + struct connector *c)
> +{
> + struct kmstest_connector_config config;
> + bool ret;
> +
> + ret = kmstest_probe_connector_config(drm_fd, connector_id,
> + crtc_idx_mask, &config);
> + if (!ret) {
> + c->mode_valid = 0;
> + return;
> + }
> +
> + c->connector = config.connector;
> + c->encoder = config.encoder;
> + c->crtc = config.crtc->crtc_id;
> + c->pipe = config.pipe;
> +
> + if (c->connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort ||
> + c->connector->connection != DRM_MODE_CONNECTED) {
> + c->mode_valid = 0;
> + return;
> + }
> +
> + c->mode = config.default_mode;
> + c->mode_valid = 1;
> +}
> +
> +static int setup_framebuffers(struct connector *dp_conn)
> +{
> +
> + dp_conn->fb = igt_create_fb(drm_fd,
> + dp_conn->fb_width, dp_conn->fb_height,
> + DRM_FORMAT_XRGB8888,
> + LOCAL_DRM_FORMAT_MOD_NONE,
> + &dp_conn->fb_video_pattern);
> + igt_assert(dp_conn->fb);
> +
> + /* Map the mapping of GEM object into the virtual address space */
> + dp_conn->pixmap = gem_mmap__gtt(drm_fd,
> + dp_conn->fb_video_pattern.gem_handle,
> + dp_conn->fb_video_pattern.size,
> + PROT_READ | PROT_WRITE);
> + gem_set_domain(drm_fd, dp_conn->fb_video_pattern.gem_handle,
> + I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
> + dp_conn->fb_size = dp_conn->fb_video_pattern.size;
> +
> + /* After filling the device memory with 0s it needs to be unmapped */
> + memset(dp_conn->pixmap, 0, dp_conn->fb_size);
> + munmap(dp_conn->pixmap, dp_conn->fb_size);
> +
> + return 0;
> +}
> +
> +static int setup_failsafe_framebuffer(struct connector *dp_conn)
> +{
> +
> + dp_conn->failsafe_fb = igt_create_fb(drm_fd,
> + dp_conn->failsafe_width,
> + dp_conn->failsafe_height,
> + DRM_FORMAT_XRGB8888,
> + LOCAL_DRM_FORMAT_MOD_NONE,
> + &dp_conn->fb_failsafe_pattern);
> + igt_assert(dp_conn->failsafe_fb);
> +
> + /* Map the mapping of GEM object into the virtual address space */
> + dp_conn->failsafe_pixmap = gem_mmap__gtt(drm_fd,
> + dp_conn->fb_failsafe_pattern.gem_handle,
> + dp_conn->fb_failsafe_pattern.size,
> + PROT_READ | PROT_WRITE);
> + gem_set_domain(drm_fd, dp_conn->fb_failsafe_pattern.gem_handle,
> + I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
> + dp_conn->failsafe_size = dp_conn->fb_failsafe_pattern.size;
> +
> + /* After filling the device framebuffer the mapped memory needs to be freed */
> + memset(dp_conn->failsafe_pixmap, 0, dp_conn->failsafe_size);
> + munmap(dp_conn->failsafe_pixmap, dp_conn->failsafe_size);
> +
> + return 0;
> +
> +}
> +
> +static int setup_video_pattern_framebuffer(struct connector *dp_conn)
> +{
> + uint32_t video_width, video_height;
> +
> + video_width = dp_conn->test_pattern.hdisplay;
> + video_height = dp_conn->test_pattern.vdisplay;
> + dp_conn->test_pattern.fb = igt_create_fb(drm_fd,
> + video_width, video_height,
> + DRM_FORMAT_XRGB8888,
> + LOCAL_DRM_FORMAT_MOD_NONE,
> + &dp_conn->test_pattern.fb_pattern);
> + igt_assert(dp_conn->test_pattern.fb);
> +
> + /* Map the mapping of GEM object into the virtual address space */
> + dp_conn->test_pattern.pixmap = gem_mmap__gtt(drm_fd,
> + dp_conn->test_pattern.fb_pattern.gem_handle,
> + dp_conn->test_pattern.fb_pattern.size,
> + PROT_READ | PROT_WRITE);
> + gem_set_domain(drm_fd, dp_conn->test_pattern.fb_pattern.gem_handle,
> + I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
> +
> + dp_conn->test_pattern.size = dp_conn->test_pattern.fb_pattern.size;
> +
> + memset(dp_conn->test_pattern.pixmap, 0, dp_conn->test_pattern.size);
> + return 0;
> +
> +}
> +
> +static int fill_framebuffer(struct connector *dp_conn)
> +{
> + uint32_t tile_height, tile_width, video_width, video_height;
> + uint32_t *red_ptr, *green_ptr, *blue_ptr, *white_ptr, *src_ptr, *dst_ptr;
> + int x, y;
> + int32_t pixel_val;
> +
> + video_width = dp_conn->test_pattern.hdisplay;
> + video_height = dp_conn->test_pattern.vdisplay;
> +
> + tile_height = 64;
> + tile_width = 1 << (dp_conn->test_pattern.bitdepth);
> +
> + red_ptr = dp_conn->test_pattern.pixmap;
> + green_ptr = red_ptr + (video_width * tile_height);
> + blue_ptr = green_ptr + (video_width * tile_height);
> + white_ptr = blue_ptr + (video_width * tile_height);
> + x = 0;
> +
> + /* Fill the frame buffer with video pattern from CTS 3.1.5 */
> + while (x < video_width) {
> + for (pixel_val = 0; pixel_val < 256;
> + pixel_val = pixel_val + (256 / tile_width)) {
> + red_ptr[x] = pixel_val << 16;
> + green_ptr[x] = pixel_val << 8;
> + blue_ptr[x] = pixel_val << 0;
> + white_ptr[x] = red_ptr[x] | green_ptr[x] | blue_ptr[x];
> + if (++x >= video_width)
> + break;
> + }
> + }
> + for (y = 0; y < video_height; y++) {
> + if (y == 0 || y == 64 || y == 128 || y == 192)
> + continue;
> + switch ((y / tile_height) % 4) {
> + case 0:
> + src_ptr = red_ptr;
> + break;
> + case 1:
> + src_ptr = green_ptr;
> + break;
> + case 2:
> + src_ptr = blue_ptr;
> + break;
> + case 3:
> + src_ptr = white_ptr;
> + break;
> + }
> + dst_ptr = dp_conn->test_pattern.pixmap + (y * video_width);
> + memcpy(dst_ptr, src_ptr, (video_width * 4));
> + }
> + munmap(dp_conn->test_pattern.pixmap,
> + dp_conn->test_pattern.size);
> + return 0;
> +}
> +
> +static int set_test_mode(struct connector *dp_conn)
> +{
> + int ret = 0;
> + int i;
> + bool found_std = false, found_fs = false;
> + drmModeConnector *c = dp_conn->connector;
> +
> + /* Ignore any disconnected devices */
> + if (c->connection != DRM_MODE_CONNECTED) {
> + igt_warn("Connector %u disconnected\r\n", c->connector_id);
> + return -ENOENT;
> + }
> + igt_info("Connector Setup:\r\n");
> + /* Setup preferred mode - should be mode[0] in the list */
> + dp_conn->mode_preferred = c->modes[0];
> + dp_conn->fb_width = c->modes[0].hdisplay;
> + dp_conn->fb_height = c->modes[0].vdisplay;
> +
> + dp_conn->test_pattern.mode = c->modes[0];
> + dp_conn->test_pattern.mode.hdisplay = c->modes[0].hdisplay;
> + dp_conn->test_pattern.mode.vdisplay = c->modes[0].vdisplay;
> +
> + igt_info("Preferred mode (mode 0) for connector %u is %ux%u\r\n",
> + dp_conn->id, c->modes[0].hdisplay, c->modes[0].vdisplay);
> + fflush(stdin);
> +
> + for (i = 1; i < c->count_modes; i++) {
> + /* Standard mode is 800x600@60 */
> + if (c->modes[i].hdisplay == 800 &&
> + c->modes[i].vdisplay == 600 &&
> + c->modes[i].vrefresh == 60 &&
> + found_std == false) {
> + dp_conn->mode_standard = c->modes[i];
> + igt_info("Standard mode (%d) for connector %u is %ux%u\r\n",
> + i,
> + c->connector_id,
> + c->modes[i].hdisplay,
> + c->modes[i].vdisplay);
> + found_std = true;
> + }
> + /* Failsafe mode is 640x480@60 */
> + if (c->modes[i].hdisplay == 640 &&
> + c->modes[i].vdisplay == 480 &&
> + c->modes[i].vrefresh == 60 &&
> + found_fs == false) {
> + dp_conn->mode_failsafe = c->modes[i];
> + dp_conn->failsafe_width = c->modes[i].hdisplay;
> + dp_conn->failsafe_height = c->modes[i].vdisplay;
> + igt_info("Failsafe mode (%d) for connector %u is %ux%u\r\n",
> + i,
> + c->connector_id,
> + c->modes[i].hdisplay,
> + c->modes[i].vdisplay);
> + found_fs = true;
> + }
> + }
> +
> + ret = setup_framebuffers(dp_conn);
> + if (ret) {
> + igt_warn("Create framebuffer for connector %u failed (%d)\r\n",
> + c->connector_id, ret);
> + return ret;
> + }
> +
> + if (found_fs) {
> + ret = setup_failsafe_framebuffer(dp_conn);
> + if (ret) {
> + igt_warn("Create failsafe framebuffer for connector %u"
> + "failed (%d)\r\n",
> + c->connector_id, ret);
> + return ret;
> + }
> + }
> +
> + if (video_pattern_flag) {
> + dp_conn->test_pattern.hdisplay = hdisplay;
> + dp_conn->test_pattern.vdisplay = vdisplay;
> + dp_conn->test_pattern.bitdepth = bitdepth;
> + ret = setup_video_pattern_framebuffer(dp_conn);
> + if (ret) {
> + igt_warn("Create framebuffer for connector %u failed (%d)\r\n",
> + c->connector_id, ret);
> + return ret;
> + }
> + ret = fill_framebuffer(dp_conn);
> + if (ret) {
> + igt_warn("Fill framebuffer for connector %u failed (%d)\r\n",
> + c->connector_id, ret);
> + return ret;
> + }
> + }
> +
> + return ret;
> +}
> +
> +static int set_video(int mode, struct connector *test_connector)
> +{
> + drmModeModeInfo *requested_mode;
> + uint32_t required_fb_id;
> + struct igt_fb required_fb;
> + int ret = 0;
> +
> + switch (mode) {
> + case INTEL_MODE_NONE:
> + igt_info("NONE\r\n");
> + ret = drmModeSetCrtc(drm_fd, test_connector->crtc,
> + -1, 0, 0, NULL, 0, NULL);
> + goto out;
> + case INTEL_MODE_PREFERRED:
> + igt_info("PREFERRED\r\n");
> + requested_mode = &test_connector->mode_preferred;
> + required_fb_id = test_connector->fb;
> + required_fb = test_connector->fb_video_pattern;
> + break;
> + case INTEL_MODE_STANDARD:
> + igt_info("STANDARD\r\n");
> + requested_mode = &test_connector->mode_standard;
> + required_fb_id = test_connector->fb;
> + required_fb = test_connector->fb_video_pattern;
> + break;
> + case INTEL_MODE_FAILSAFE:
> + igt_info("FAILSAFE\r\n");
> + requested_mode = &test_connector->mode_failsafe;
> + required_fb_id = test_connector->failsafe_fb;
> + required_fb = test_connector->fb_failsafe_pattern;
> + break;
> + case INTEL_MODE_VIDEO_PATTERN_TEST:
> + igt_info("VIDEO PATTERN TEST\r\n");
> + requested_mode = &test_connector->test_pattern.mode;
> + required_fb_id = test_connector->test_pattern.fb;
> + required_fb = test_connector->test_pattern.fb_pattern;
> + break;
> + case INTEL_MODE_INVALID:
> + default:
> + igt_warn("INVALID! (%08x) Mode set aborted!\r\n", mode);
> + return -1;
> + }
> +
> + igt_info("CRTC(%u):", test_connector->crtc);
> + kmstest_dump_mode(requested_mode);
> + ret = drmModeSetCrtc(drm_fd, test_connector->crtc, required_fb_id, 0, 0,
> + &test_connector->id, 1, requested_mode);
> + if (ret) {
> + igt_warn("failed to set mode (%dx%d@%dHz): %s\n",
> + requested_mode->hdisplay, requested_mode->vdisplay,
> + requested_mode->vrefresh, strerror(errno));
> + igt_remove_fb(drm_fd, &required_fb);
> +
> + }
> + /* Keep the pattern on output lines for atleast 0.5 secs for
> + * DPR-120 to detect it.
> + */
> + usleep(1000000);
> +
> +out:
> + if (ret) {
> + igt_warn("Failed to set CRTC for connector %u\r\n",
> + test_connector->id);
> + }
> +
> + return ret;
> +}
> +
> +static int
> +set_default_mode(struct connector *c)
> +{
> + unsigned int fb_id = 0;
> + struct igt_fb fb_info;
> + int ret = 0;
> +
> + c->mode = c->connector->modes[0];
> +
> + if (!c->mode_valid)
> + return -1;
> +
> + width = c->mode.hdisplay;
> + height = c->mode.vdisplay;
> +
> + fb_id = igt_create_pattern_fb(drm_fd, width, height,
> + DRM_FORMAT_XRGB8888,
> + tiling, &fb_info);
> +
> + igt_info("CRTC(%u):[%d]", c->crtc, 0);
> + kmstest_dump_mode(&c->mode);
> + drmModeSetCrtc(drm_fd, c->crtc, -1, 0, 0, NULL, 0, NULL);
> + ret = drmModeSetCrtc(drm_fd, c->crtc, fb_id, 0, 0,
> + &c->id, 1, &c->mode);
> + if (ret) {
> + igt_warn("failed to set mode (%dx%d@%dHz): %s\n", width, height, c->mode.vrefresh, strerror(errno));
> + igt_remove_fb(drm_fd, &fb_info);
> +
> + }
> +
> + return ret;
> +}
> +
> +/*
> + * Re-probe connectors and do a modeset based on test request or
> + * in case of a hotplug uevent.
> + *
> + * @mode: Video mode requested by the test
> + * @is_compliance_test: 1: If it is a compliance test
> + * 0: If it is a hotplug event
> + *
> + * Returns:
> + * 0: On Success
> + * -1: On failure
> + */
> +int update_display(int mode, bool is_compliance_test)
> +{
> + struct connector *connectors;
> + int c, ret = 0;
> + unsigned long crtc_idx_mask = -1UL;
> +
> + resources = drmModeGetResources(drm_fd);
> + if (!resources) {
> + igt_warn("drmModeGetResources failed: %s\n", strerror(errno));
> + return -1;
> + }
> +
> + connectors = calloc(resources->count_connectors,
> + sizeof(struct connector));
> + if (!connectors)
> + return -1;
> +
> + /* Find any connected displays */
> + for (c = 0; c < resources->count_connectors; c++) {
> +
> + struct connector *connector = &connectors[c];
> +
> + connector->id = resources->connectors[c];
> + connector_find_preferred_mode(connector->id,
> + crtc_idx_mask,
> + connector);
> + if (!connector->mode_valid)
> + continue;
> + if (is_compliance_test) {
> + set_test_mode(connector);
> + ret = set_video(INTEL_MODE_NONE, connector);
> + ret = set_video(mode, connector);
> +
> + } else
> + ret = set_default_mode(connector);
> +
> + crtc_idx_mask &= ~(1 << connector->pipe);
> +
> + drmModeFreeEncoder(connector->encoder);
> + drmModeFreeConnector(connector->connector);
> +
> + }
> +
> + /* Error condition if no connected displays */
> +
> + free(connectors);
> + drmModeFreeResources(resources);
> + return ret;
> +}
> +
> +static const char optstr[] = "hi";
> +
> +static void __attribute__((noreturn)) usage(char *name, char opt)
> +{
> + igt_info("usage: %s [-hi]\n", name);
> + igt_info("\t-i\tdump info\n");
> + igt_info("\tDefault is to respond to DPR-120 tests.\n");
> + exit((opt != 'h') ? -1 : 0);
> +}
> +
> +static void cleanup_debugfs(void)
> +{
> + fclose(test_active_fp);
> + fclose(test_data_fp);
> + fclose(test_type_fp);
> +}
> +
> +static void __attribute__((noreturn)) cleanup_and_exit(int ret)
> +{
> + cleanup_debugfs();
> + close(drm_fd);
> + igt_info("Compliance testing Application Exiting\n");
> + exit(ret);
> +}
> +
> +static void cleanup_test(void)
> +{
> + video_pattern_flag = false;
> + hdisplay = 0;
> + vdisplay = 0;
> + bitdepth = 0;
> +}
> +
> +static void read_test_request(void)
> +{
> + unsigned long test_type;
> +
> + test_type = get_test_type();
> + process_test_request(test_type);
> + cleanup_test();
> + clear_test_active();
> +}
> +
> +static gboolean test_handler(GIOChannel *source, GIOCondition condition,
> + gpointer data)
> +{
> + unsigned long test_active;
> +
> + rewind(test_active_fp);
> + fscanf(test_active_fp, "%lx", &test_active);
> + if (test_active)
> + read_test_request();
> + return TRUE;
> +}
> +
> +static gboolean input_event(GIOChannel *source, GIOCondition condition,
> + gpointer data)
> +{
> + gchar buf[2];
> + gsize count;
> +
> + count = read(g_io_channel_unix_get_fd(source), buf, sizeof(buf));
> + if (buf[0] == 'q' && (count == 1 || buf[1] == '\n')) {
> + cleanup_and_exit(0);
> + }
> +
> + return TRUE;
> +}
> +
> +static void enter_exec_path(char **argv)
> +{
> + char *exec_path = NULL;
> + char *pos = NULL;
> + short len_path = 0;
> + int ret;
> +
> + len_path = strlen(argv[0]);
> + exec_path = (char *) malloc(len_path);
> +
> + memcpy(exec_path, argv[0], len_path);
> + pos = strrchr(exec_path, '/');
> + if (pos != NULL)
> + *(pos+1) = '\0';
> +
> + ret = chdir(exec_path);
> + igt_assert_eq(ret, 0);
> + free(exec_path);
> +}
> +
> +static void restore_termio_mode(int sig)
> +{
> + tcsetattr(tio_fd, TCSANOW, &saved_tio);
> + close(tio_fd);
> +}
> +
> +static void set_termio_mode(void)
> +{
> + struct termios tio;
> +
> + /* don't attempt to set terminal attributes if not in the foreground
> + * process group
> + */
> + if (getpgrp() != tcgetpgrp(STDOUT_FILENO))
> + return;
> +
> + tio_fd = dup(STDIN_FILENO);
> + tcgetattr(tio_fd, &saved_tio);
> + igt_install_exit_handler(restore_termio_mode);
> + tio = saved_tio;
> + tio.c_lflag &= ~(ICANON | ECHO);
> + tcsetattr(tio_fd, TCSANOW, &tio);
> +}
> +
> +int main(int argc, char **argv)
> +{
> + int c;
> + int ret = 0;
> + GIOChannel *stdinchannel, *testactive_channel;
> + GMainLoop *mainloop;
> + bool opt_dump_info = false;
> + struct option long_opts[] = {
> + {"help-description", 0, 0, HELP_DESCRIPTION},
> + {"help", 0, 0, 'h'},
> + };
> +
> + igt_skip_on_simulation();
> +
> + enter_exec_path(argv);
> +
> + while ((c = getopt_long(argc, argv, optstr, long_opts, NULL)) != -1) {
> + switch (c) {
> + case 'i':
> + opt_dump_info = true;
> + break;
> + case HELP_DESCRIPTION:
> + igt_info("DP Compliance Test Suite using DPR-120\n");
> + igt_info("EDID Tests\n");
> + igt_info("Video Pattern Generation Tests\n");
> + exit(0);
> + break;
> + default:
> + /* fall through */
> + case 'h':
> + usage(argv[0], c);
> + break;
> + }
> + }
> +
> + set_termio_mode();
> +
> + igt_info("*************DP Compliance Testing using DPR-120*************\n");
> + igt_info("Waiting for Test Request Input......\n");
> + drm_fd = drm_open_driver(DRIVER_ANY);
> +
> + if (opt_dump_info) {
> + dump_info();
> + goto out_close;
> + }
> +
> + kmstest_set_vt_graphics_mode();
> + setup_debugfs_files();
> + cleanup_test();
> +
> + mainloop = g_main_loop_new(NULL, FALSE);
> + if (!mainloop) {
> + igt_warn("failed to create glib mainloop\n");
> + ret = -1;
> + goto out_close;
> + }
> +
> + if (!intel_dp_compliance_setup_hotplug()) {
> + igt_warn("failed to initialize hotplug support\n");
> + goto out_mainloop;
> + }
> +
> + testactive_channel = g_io_channel_unix_new(fileno(test_active_fp));
> + if (!testactive_channel) {
> + igt_warn("failed to create Test Active GIO channel\n");
> + goto out_close;
> + }
> +
> + ret = g_io_add_watch(testactive_channel, G_IO_IN | G_IO_ERR, test_handler,
> + NULL);
> + if (ret < 0) {
> + igt_warn("failed to add watch on udev GIO channel\n");
> + goto out_close;
> + }
> +
> + stdinchannel = g_io_channel_unix_new(0);
> + if (!stdinchannel) {
> + igt_warn("failed to create stdin GIO channel\n");
> + goto out_hotplug;
> + }
> +
> + ret = g_io_add_watch(stdinchannel, G_IO_IN | G_IO_ERR, input_event,
> + NULL);
> + if (ret < 0) {
> + igt_warn("failed to add watch on stdin GIO channel\n");
> + goto out_stdio;
> + }
> +
> + ret = 0;
> +
> + g_main_loop_run(mainloop);
> +
> +out_stdio:
> + g_io_channel_shutdown(stdinchannel, TRUE, NULL);
> +out_hotplug:
> + intel_dp_compliance_cleanup_hotplug();
> +out_mainloop:
> + g_main_loop_unref(mainloop);
> +out_close:
> + cleanup_debugfs();
> + close(drm_fd);
> +
> + igt_assert_eq(ret, 0);
> +
> + igt_info("Compliance testing application exiting.\n");
> + igt_exit();
> +}
> diff --git a/tools/intel_dp_compliance.h b/tools/intel_dp_compliance.h
> new file mode 100644
> index 0000000..ade1e2f
> --- /dev/null
> +++ b/tools/intel_dp_compliance.h
> @@ -0,0 +1,35 @@
> +/*
> + * Copyright 2010 Intel Corporation
> + * Manasi Navare <manasi.d.navare@xxxxxxxxx>
> + *
> + * 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.
> + */
> +
> +#include <stdio.h>
> +#include <string.h>
> +#include <stdlib.h>
> +#include <glib.h>
> +
> +extern int drm_fd;
> +
> +gboolean intel_dp_compliance_setup_hotplug(void);
> +void intel_dp_compliance_cleanup_hotplug(void);
> +
> +/* called by the hotplug code */
> +int update_display(int mode, bool is_compliance_test);
> diff --git a/tools/intel_dp_compliance_hotplug.c b/tools/intel_dp_compliance_hotplug.c
> new file mode 100644
> index 0000000..d489026
> --- /dev/null
> +++ b/tools/intel_dp_compliance_hotplug.c
> @@ -0,0 +1,123 @@
> +/*
> + * Copyright 2010 Intel Corporation
> + * Jesse Barnes <jesse.barnes@xxxxxxxxx>
> + *
> + * 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.
> + */
> +
> +#include "igt.h"
> +#include <stdio.h>
> +#include <string.h>
> +#include <stdlib.h>
> +
> +#include <sys/stat.h>
> +
> +#include "intel_dp_compliance.h"
> +#include <libudev.h>
> +static struct udev_monitor *uevent_monitor;
> +static struct udev *udev;
> +static GIOChannel *udevchannel;
> +
> +static gboolean hotplug_event(GIOChannel *source, GIOCondition condition,
> + gpointer data)
> +{
> + struct udev_device *dev;
> + dev_t udev_devnum;
> + struct stat s;
> + const char *hotplug;
> +
> + dev = udev_monitor_receive_device(uevent_monitor);
> + if (!dev)
> + goto out;
> +
> + udev_devnum = udev_device_get_devnum(dev);
> + fstat(drm_fd, &s);
> +
> + hotplug = udev_device_get_property_value(dev, "HOTPLUG");
> +
> + if (memcmp(&s.st_rdev, &udev_devnum, sizeof(dev_t)) == 0 &&
> + hotplug && atoi(hotplug) == 1)
> + update_display(0, false);
> +
> + udev_device_unref(dev);
> +out:
> + return TRUE;
> +}
> +
> +
> +gboolean intel_dp_compliance_setup_hotplug(void)
> +{
> + int ret;
> +
> + udev = udev_new();
> + if (!udev) {
> + igt_warn("failed to create udev object\n");
> + goto out;
> + }
> +
> + uevent_monitor = udev_monitor_new_from_netlink(udev, "udev");
> + if (!uevent_monitor) {
> + igt_warn("failed to create udev event monitor\n");
> + goto out;
> + }
> +
> + ret = udev_monitor_filter_add_match_subsystem_devtype(uevent_monitor,
> + "drm",
> + "drm_minor");
> + if (ret < 0) {
> + igt_warn("failed to filter for drm events\n");
> + goto out;
> + }
> +
> + ret = udev_monitor_enable_receiving(uevent_monitor);
> + if (ret < 0) {
> + igt_warn("failed to enable udev event reception\n");
> + goto out;
> + }
> +
> + udevchannel =
> + g_io_channel_unix_new(udev_monitor_get_fd(uevent_monitor));
> + if (!udevchannel) {
> + igt_warn("failed to create udev GIO channel\n");
> + goto out;
> + }
> +
> + ret = g_io_add_watch(udevchannel, G_IO_IN | G_IO_ERR, hotplug_event,
> + udev);
> + if (ret < 0) {
> + igt_warn("failed to add watch on udev GIO channel\n");
> + goto out;
> + }
> +
> + return TRUE;
> +
> +out:
> + intel_dp_compliance_cleanup_hotplug();
> + return FALSE;
> +}
> +
> +void intel_dp_compliance_cleanup_hotplug(void)
> +{
> + if (udevchannel)
> + g_io_channel_shutdown(udevchannel, TRUE, NULL);
> + if (uevent_monitor)
> + udev_monitor_unref(uevent_monitor);
> + if (udev)
> + udev_unref(udev);
> +}
--
Jani Nikula, Intel Open Source Technology Center
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