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https://github.com/hyprwm/wlroots-hyprland.git
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backend/session: add a timeout waiting for GPUs
If a GPU doesn't show up in 10s, bail out and return zero GPUs.
This commit is contained in:
parent
c491a21d25
commit
754179dacd
1 changed files with 18 additions and 1 deletions
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@ -7,6 +7,7 @@
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <time.h>
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#include <wayland-server-core.h>
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#include <wayland-server-core.h>
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#include <wlr/backend/session.h>
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#include <wlr/backend/session.h>
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#include <wlr/backend/session/interface.h>
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#include <wlr/backend/session/interface.h>
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@ -17,6 +18,8 @@
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#include "backend/session/session.h"
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#include "backend/session/session.h"
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#include "util/signal.h"
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#include "util/signal.h"
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#define WAIT_GPU_TIMEOUT 10000 // ms
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extern const struct session_impl session_libseat;
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extern const struct session_impl session_libseat;
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extern const struct session_impl session_logind;
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extern const struct session_impl session_logind;
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extern const struct session_impl session_direct;
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extern const struct session_impl session_direct;
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@ -322,6 +325,12 @@ static struct udev_enumerate *enumerate_drm_cards(struct udev *udev) {
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return en;
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return en;
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}
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}
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static uint64_t get_current_time_ms(void) {
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struct timespec ts = {0};
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
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}
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struct find_gpus_add_handler {
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struct find_gpus_add_handler {
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bool added;
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bool added;
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struct wl_listener listener;
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struct wl_listener listener;
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@ -356,16 +365,24 @@ size_t wlr_session_find_gpus(struct wlr_session *session,
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handler.listener.notify = find_gpus_handle_add;
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handler.listener.notify = find_gpus_handle_add;
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wl_signal_add(&session->events.add_drm_card, &handler.listener);
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wl_signal_add(&session->events.add_drm_card, &handler.listener);
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uint64_t started_at = get_current_time_ms();
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uint64_t timeout = WAIT_GPU_TIMEOUT;
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struct wl_event_loop *event_loop =
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struct wl_event_loop *event_loop =
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wl_display_get_event_loop(session->display);
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wl_display_get_event_loop(session->display);
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while (!handler.added) {
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while (!handler.added) {
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int ret = wl_event_loop_dispatch(event_loop, -1);
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int ret = wl_event_loop_dispatch(event_loop, (int)timeout);
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if (ret < 0) {
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if (ret < 0) {
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wlr_log_errno(WLR_ERROR, "Failed to wait for DRM card device: "
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wlr_log_errno(WLR_ERROR, "Failed to wait for DRM card device: "
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"wl_event_loop_dispatch failed");
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"wl_event_loop_dispatch failed");
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udev_enumerate_unref(en);
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udev_enumerate_unref(en);
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return -1;
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return -1;
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}
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}
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uint64_t now = get_current_time_ms();
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if (now >= started_at + WAIT_GPU_TIMEOUT) {
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break;
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}
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timeout = started_at + WAIT_GPU_TIMEOUT - now;
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}
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}
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wl_list_remove(&handler.listener.link);
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wl_list_remove(&handler.listener.link);
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