From ff07eab85b5c6b728ad3cc99d02e9f2ae8b9854f Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Tue, 12 Dec 2023 15:25:10 +0100 Subject: Detect Nvidia proprietary driver via drmGetVersion() This is less punishing for users with the Nvidia driver loaded but not used by Sway (e.g. for CUDA). --- sway/server.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'sway/server.c') diff --git a/sway/server.c b/sway/server.c index be521621..267e46c0 100644 --- a/sway/server.c +++ b/sway/server.c @@ -37,6 +37,7 @@ #include #include #include +#include #include "config.h" #include "list.h" #include "log.h" @@ -60,6 +61,8 @@ #define SWAY_XDG_SHELL_VERSION 2 #define SWAY_LAYER_SHELL_VERSION 4 +bool allow_unsupported_gpu = false; + #if WLR_HAS_DRM_BACKEND static void handle_drm_lease_request(struct wl_listener *listener, void *data) { /* We only offer non-desktop outputs, but in the future we might want to do @@ -113,6 +116,33 @@ static bool filter_global(const struct wl_client *client, return true; } +static void detect_proprietary(struct wlr_backend *backend, void *data) { + int drm_fd = wlr_backend_get_drm_fd(backend); + if (drm_fd < 0) { + return; + } + + drmVersion *version = drmGetVersion(drm_fd); + if (version == NULL) { + sway_log(SWAY_ERROR, "drmGetVersion() failed"); + return; + } + + if (strcmp(version->name, "nvidia-drm") == 0) { + if (allow_unsupported_gpu) { + sway_log(SWAY_ERROR, "!!! Proprietary Nvidia drivers are in use !!!"); + } else { + sway_log(SWAY_ERROR, + "Proprietary Nvidia drivers are NOT supported. " + "Use Nouveau. To launch sway anyway, launch with " + "--unsupported-gpu and DO NOT report issues."); + exit(EXIT_FAILURE); + } + } + + drmFreeVersion(version); +} + bool server_init(struct sway_server *server) { sway_log(SWAY_DEBUG, "Initializing Wayland server"); server->wl_display = wl_display_create(); @@ -128,6 +158,8 @@ bool server_init(struct sway_server *server) { return false; } + wlr_multi_for_each_backend(server->backend, detect_proprietary, NULL); + server->renderer = wlr_renderer_autocreate(server->backend); if (!server->renderer) { sway_log(SWAY_ERROR, "Failed to create renderer"); -- cgit v1.2.3