diff --git a/src/backends/native/meta-gpu-kms.c b/src/backends/native/meta-gpu-kms.c index 20e927893..c3c5d0d68 100644 --- a/src/backends/native/meta-gpu-kms.c +++ b/src/backends/native/meta-gpu-kms.c @@ -812,6 +812,12 @@ meta_gpu_kms_read_current (MetaGpu *gpu, return TRUE; } +gboolean +meta_gpu_kms_can_have_outputs (MetaGpuKms *gpu_kms) +{ + return gpu_kms->n_connectors > 0; +} + MetaGpuKms * meta_gpu_kms_new (MetaMonitorManagerKms *monitor_manager_kms, const char *kms_file_path, @@ -840,6 +846,8 @@ meta_gpu_kms_new (MetaMonitorManagerKms *monitor_manager_kms, drmSetClientCap (gpu_kms->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1); + meta_gpu_kms_read_current (META_GPU (gpu_kms), NULL); + source = g_source_new (&kms_event_funcs, sizeof (MetaKmsSource)); kms_source = (MetaKmsSource *) source; kms_source->fd_tag = g_source_add_unix_fd (source, diff --git a/src/backends/native/meta-gpu-kms.h b/src/backends/native/meta-gpu-kms.h index ef1f17ce8..5f77f191a 100644 --- a/src/backends/native/meta-gpu-kms.h +++ b/src/backends/native/meta-gpu-kms.h @@ -53,6 +53,8 @@ gboolean meta_gpu_kms_apply_crtc_mode (MetaGpuKms *gpu_kms, int y, uint32_t fb_id); +gboolean meta_gpu_kms_can_have_outputs (MetaGpuKms *gpu_kms); + gboolean meta_gpu_kms_is_crtc_active (MetaGpuKms *gpu_kms, MetaCrtc *crtc); diff --git a/src/backends/native/meta-monitor-manager-kms.c b/src/backends/native/meta-monitor-manager-kms.c index 6c7a87f01..766dc0c79 100644 --- a/src/backends/native/meta-monitor-manager-kms.c +++ b/src/backends/native/meta-monitor-manager-kms.c @@ -642,10 +642,12 @@ meta_monitor_manager_kms_initable_init (GInitable *initable, GError **error) { MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (initable); + MetaMonitorManager *manager = META_MONITOR_MANAGER (manager_kms); const char *subsystems[2] = { "drm", NULL }; GList *gpu_paths; g_autofree char *primary_gpu_path = NULL; GList *l; + gboolean can_have_outputs; manager_kms->udev = g_udev_client_new (subsystems); @@ -691,6 +693,24 @@ meta_monitor_manager_kms_initable_init (GInitable *initable, } g_list_free_full (gpu_paths, g_free); + can_have_outputs = FALSE; + for (l = meta_monitor_manager_get_gpus (manager); l; l = l->next) + { + MetaGpuKms *gpu_kms = l->data; + + if (meta_gpu_kms_can_have_outputs (gpu_kms)) + { + can_have_outputs = TRUE; + break; + } + } + if (!can_have_outputs) + { + g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, + "No GPUs with outputs found"); + return FALSE; + } + return TRUE; }