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).
This commit is contained in:
Simon Ser 2023-12-12 15:25:10 +01:00 committed by Simon Zeni
parent b81c4da494
commit ff07eab85b
4 changed files with 36 additions and 30 deletions

View file

@ -37,6 +37,7 @@
#include <wlr/types/wlr_xdg_foreign_v1.h>
#include <wlr/types/wlr_xdg_foreign_v2.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include <xf86drm.h>
#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");