17fd56e02SRodrigo Siqueira // SPDX-License-Identifier: GPL-2.0+ 2854502faSRodrigo Siqueira 3854502faSRodrigo Siqueira #include "vkms_drv.h" 4d1648930SRodrigo Siqueira #include <drm/drm_atomic_helper.h> 5fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 6d1956157SThomas Zimmermann #include <drm/drm_simple_kms_helper.h> 7854502faSRodrigo Siqueira 8854502faSRodrigo Siqueira static void vkms_connector_destroy(struct drm_connector *connector) 9854502faSRodrigo Siqueira { 10854502faSRodrigo Siqueira drm_connector_cleanup(connector); 11854502faSRodrigo Siqueira } 12854502faSRodrigo Siqueira 13854502faSRodrigo Siqueira static const struct drm_connector_funcs vkms_connector_funcs = { 14854502faSRodrigo Siqueira .fill_modes = drm_helper_probe_single_connector_modes, 15854502faSRodrigo Siqueira .destroy = vkms_connector_destroy, 16d1648930SRodrigo Siqueira .reset = drm_atomic_helper_connector_reset, 17d1648930SRodrigo Siqueira .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, 18d1648930SRodrigo Siqueira .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 19854502faSRodrigo Siqueira }; 20854502faSRodrigo Siqueira 21d1648930SRodrigo Siqueira static int vkms_conn_get_modes(struct drm_connector *connector) 22d1648930SRodrigo Siqueira { 23d1648930SRodrigo Siqueira int count; 24d1648930SRodrigo Siqueira 25d1648930SRodrigo Siqueira count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX); 26d1648930SRodrigo Siqueira drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF); 27d1648930SRodrigo Siqueira 28d1648930SRodrigo Siqueira return count; 29d1648930SRodrigo Siqueira } 30d1648930SRodrigo Siqueira 31d1648930SRodrigo Siqueira static const struct drm_connector_helper_funcs vkms_conn_helper_funcs = { 32d1648930SRodrigo Siqueira .get_modes = vkms_conn_get_modes, 33d1648930SRodrigo Siqueira }; 34d1648930SRodrigo Siqueira 35e9d85f73SRodrigo Siqueira int vkms_output_init(struct vkms_device *vkmsdev, int index) 36854502faSRodrigo Siqueira { 37854502faSRodrigo Siqueira struct vkms_output *output = &vkmsdev->output; 38854502faSRodrigo Siqueira struct drm_device *dev = &vkmsdev->drm; 39854502faSRodrigo Siqueira struct drm_connector *connector = &output->connector; 40854502faSRodrigo Siqueira struct drm_encoder *encoder = &output->encoder; 41854502faSRodrigo Siqueira struct drm_crtc *crtc = &output->crtc; 42c27d931dSHaneen Mohammed struct drm_plane *primary, *cursor = NULL; 43854502faSRodrigo Siqueira int ret; 44*1e85b7d4SSumera Priyadarsini int writeback; 45854502faSRodrigo Siqueira 46e9d85f73SRodrigo Siqueira primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY, index); 47854502faSRodrigo Siqueira if (IS_ERR(primary)) 48854502faSRodrigo Siqueira return PTR_ERR(primary); 49854502faSRodrigo Siqueira 502df7af93SSumera Priyadarsini if (vkmsdev->config->cursor) { 51e9d85f73SRodrigo Siqueira cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR, index); 52c27d931dSHaneen Mohammed if (IS_ERR(cursor)) { 53c27d931dSHaneen Mohammed ret = PTR_ERR(cursor); 54c27d931dSHaneen Mohammed goto err_cursor; 55c27d931dSHaneen Mohammed } 56b8789ea7SHaneen Mohammed } 57c27d931dSHaneen Mohammed 58c27d931dSHaneen Mohammed ret = vkms_crtc_init(dev, crtc, primary, cursor); 59854502faSRodrigo Siqueira if (ret) 60854502faSRodrigo Siqueira goto err_crtc; 61854502faSRodrigo Siqueira 62854502faSRodrigo Siqueira ret = drm_connector_init(dev, connector, &vkms_connector_funcs, 63854502faSRodrigo Siqueira DRM_MODE_CONNECTOR_VIRTUAL); 64854502faSRodrigo Siqueira if (ret) { 65854502faSRodrigo Siqueira DRM_ERROR("Failed to init connector\n"); 66854502faSRodrigo Siqueira goto err_connector; 67854502faSRodrigo Siqueira } 68854502faSRodrigo Siqueira 69d1648930SRodrigo Siqueira drm_connector_helper_add(connector, &vkms_conn_helper_funcs); 70d1648930SRodrigo Siqueira 71d1956157SThomas Zimmermann ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_VIRTUAL); 72854502faSRodrigo Siqueira if (ret) { 73854502faSRodrigo Siqueira DRM_ERROR("Failed to init encoder\n"); 74854502faSRodrigo Siqueira goto err_encoder; 75854502faSRodrigo Siqueira } 76854502faSRodrigo Siqueira encoder->possible_crtcs = 1; 77854502faSRodrigo Siqueira 78cde4c44dSDaniel Vetter ret = drm_connector_attach_encoder(connector, encoder); 79854502faSRodrigo Siqueira if (ret) { 80854502faSRodrigo Siqueira DRM_ERROR("Failed to attach connector to encoder\n"); 81854502faSRodrigo Siqueira goto err_attach; 82854502faSRodrigo Siqueira } 83854502faSRodrigo Siqueira 84*1e85b7d4SSumera Priyadarsini if (vkmsdev->config->writeback) { 85*1e85b7d4SSumera Priyadarsini writeback = vkms_enable_writeback_connector(vkmsdev); 86*1e85b7d4SSumera Priyadarsini if (writeback) 87dbd9d80cSRodrigo Siqueira DRM_ERROR("Failed to init writeback connector\n"); 88*1e85b7d4SSumera Priyadarsini } 89dbd9d80cSRodrigo Siqueira 90854502faSRodrigo Siqueira drm_mode_config_reset(dev); 91854502faSRodrigo Siqueira 92854502faSRodrigo Siqueira return 0; 93854502faSRodrigo Siqueira 94854502faSRodrigo Siqueira err_attach: 95854502faSRodrigo Siqueira drm_encoder_cleanup(encoder); 96854502faSRodrigo Siqueira 97854502faSRodrigo Siqueira err_encoder: 98854502faSRodrigo Siqueira drm_connector_cleanup(connector); 99854502faSRodrigo Siqueira 100854502faSRodrigo Siqueira err_connector: 101854502faSRodrigo Siqueira drm_crtc_cleanup(crtc); 102854502faSRodrigo Siqueira 103854502faSRodrigo Siqueira err_crtc: 1042df7af93SSumera Priyadarsini if (vkmsdev->config->cursor) 105c27d931dSHaneen Mohammed drm_plane_cleanup(cursor); 106c27d931dSHaneen Mohammed 107c27d931dSHaneen Mohammed err_cursor: 108854502faSRodrigo Siqueira drm_plane_cleanup(primary); 109c27d931dSHaneen Mohammed 110854502faSRodrigo Siqueira return ret; 111854502faSRodrigo Siqueira } 112