// SPDX-License-Identifier: GPL-2.0+ #include "vkms_drv.h" #include <drm/drm_atomic_helper.h> #include <drm/drm_probe_helper.h> static void vkms_connector_destroy(struct drm_connector *connector) { drm_connector_cleanup(connector); } static const struct drm_connector_funcs vkms_connector_funcs = { .fill_modes = drm_helper_probe_single_connector_modes, .destroy = vkms_connector_destroy, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static const struct drm_encoder_funcs vkms_encoder_funcs = { .destroy = drm_encoder_cleanup, }; static int vkms_conn_get_modes(struct drm_connector *connector) { int count; count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX); drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF); return count; } static const struct drm_connector_helper_funcs vkms_conn_helper_funcs = { .get_modes = vkms_conn_get_modes, }; int vkms_output_init(struct vkms_device *vkmsdev, int index) { struct vkms_output *output = &vkmsdev->output; struct drm_device *dev = &vkmsdev->drm; struct drm_connector *connector = &output->connector; struct drm_encoder *encoder = &output->encoder; struct drm_crtc *crtc = &output->crtc; struct drm_plane *primary, *cursor = NULL; int ret; primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY, index); if (IS_ERR(primary)) return PTR_ERR(primary); if (enable_cursor) { cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR, index); if (IS_ERR(cursor)) { ret = PTR_ERR(cursor); goto err_cursor; } } ret = vkms_crtc_init(dev, crtc, primary, cursor); if (ret) goto err_crtc; ret = drm_connector_init(dev, connector, &vkms_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); if (ret) { DRM_ERROR("Failed to init connector\n"); goto err_connector; } drm_connector_helper_add(connector, &vkms_conn_helper_funcs); ret = drm_encoder_init(dev, encoder, &vkms_encoder_funcs, DRM_MODE_ENCODER_VIRTUAL, NULL); if (ret) { DRM_ERROR("Failed to init encoder\n"); goto err_encoder; } encoder->possible_crtcs = 1; ret = drm_connector_attach_encoder(connector, encoder); if (ret) { DRM_ERROR("Failed to attach connector to encoder\n"); goto err_attach; } drm_mode_config_reset(dev); return 0; err_attach: drm_encoder_cleanup(encoder); err_encoder: drm_connector_cleanup(connector); err_connector: drm_crtc_cleanup(crtc); err_crtc: if (enable_cursor) drm_plane_cleanup(cursor); err_cursor: drm_plane_cleanup(primary); return ret; }