diff --git a/src/compositor-drm.c b/src/compositor-drm.c index bc75a004..cd0395e2 100644 --- a/src/compositor-drm.c +++ b/src/compositor-drm.c @@ -1337,14 +1337,16 @@ create_output_for_connector(struct drm_compositor *ec, /* Get the current mode on the crtc that's currently driving * this connector. */ encoder = drmModeGetEncoder(ec->drm.fd, connector->encoder_id); - if (encoder == NULL) - goto err_free; - crtc = drmModeGetCrtc(ec->drm.fd, encoder->crtc_id); - drmModeFreeEncoder(encoder); - if (crtc == NULL) - goto err_free; - crtc_mode = crtc->mode; - drmModeFreeCrtc(crtc); + memset(&crtc_mode, 0, sizeof crtc_mode); + if (encoder != NULL) { + crtc = drmModeGetCrtc(ec->drm.fd, encoder->crtc_id); + drmModeFreeEncoder(encoder); + if (crtc == NULL) + goto err_free; + if (crtc->mode_valid) + crtc_mode = crtc->mode; + drmModeFreeCrtc(crtc); + } for (i = 0; i < connector->count_modes; i++) { ret = drm_output_add_mode(output, &connector->modes[i]); @@ -1355,34 +1357,34 @@ create_output_for_connector(struct drm_compositor *ec, preferred = NULL; current = NULL; wl_list_for_each(drm_mode, &output->base.mode_list, base.link) { - if (!memcmp(&crtc_mode, &drm_mode->mode_info, sizeof crtc_mode)) { - drm_mode->base.flags |= WL_OUTPUT_MODE_CURRENT; + if (!memcmp(&crtc_mode, &drm_mode->mode_info, sizeof crtc_mode)) current = &drm_mode->base; - } if (drm_mode->base.flags & WL_OUTPUT_MODE_PREFERRED) preferred = &drm_mode->base; } - if (current == NULL) { + if (current == NULL && crtc_mode.clock != 0) { ret = drm_output_add_mode(output, &crtc_mode); if (ret) goto err_free; current = container_of(output->base.mode_list.prev, struct weston_mode, link); - current->flags |= WL_OUTPUT_MODE_CURRENT; } - if (preferred == NULL) - preferred = current; - - if (option_current_mode) { + if (option_current_mode && current) output->base.current = current; - } else { + else if (preferred) output->base.current = preferred; - current->flags &= ~WL_OUTPUT_MODE_CURRENT; - preferred->flags |= WL_OUTPUT_MODE_CURRENT; + else if (current) + output->base.current = current; + + if (output->base.current == NULL) { + weston_log("no available modes for %s\n", output->name); + goto err_free; } + output->base.current->flags |= WL_OUTPUT_MODE_CURRENT; + output->surface = gbm_surface_create(ec->gbm, output->base.current->width, output->base.current->height,