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-rw-r--r--backend/drm/backend.c24
-rw-r--r--include/backend/drm/backend.h1
-rw-r--r--include/wlr/session.h7
-rw-r--r--session/logind.c15
4 files changed, 39 insertions, 8 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index e49197ec..d8b7fc0e 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -4,6 +4,7 @@
#include <string.h>
#include <errno.h>
#include <wayland-server.h>
+#include <sys/stat.h>
#include <wlr/session.h>
#include <wlr/common/list.h>
@@ -38,23 +39,32 @@ static struct wlr_backend_impl backend_impl = {
};
static void device_paused(struct wl_listener *listener, void *data) {
- struct wlr_backend_state *backend = wl_container_of(listener, backend, device_paused);
+ struct wlr_backend_state *drm = wl_container_of(listener, drm, device_paused);
+ struct device_arg *arg = data;
// TODO: Actually pause the renderer or something.
// We currently just expect it to fail its next pageflip.
- (void)backend;
+ if (arg->dev == drm->dev) {
+ wlr_log(L_INFO, "DRM fd paused");
+ }
}
static void device_resumed(struct wl_listener *listener, void *data) {
struct wlr_backend_state *drm = wl_container_of(listener, drm, device_resumed);
- int *new_fd = data;
+ struct device_arg *arg = data;
+
+ if (arg->dev != drm->dev) {
+ return;
+ }
- if (dup2(*new_fd, drm->fd) < 0) {
+ if (dup2(arg->fd, drm->fd) < 0) {
wlr_log(L_ERROR, "dup2 failed: %s", strerror(errno));
return;
}
+ wlr_log(L_INFO, "DRM fd resumed");
+
for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_output_state *output = drm->outputs->items[i];
wlr_drm_output_start_renderer(output);
@@ -94,6 +104,12 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
goto error_udev;
}
+ struct stat st;
+ if (fstat(state->fd, &st) < 0) {
+ wlr_log(L_ERROR, "Stat failed: %s", strerror(errno));
+ }
+ state->dev = st.st_rdev;
+
struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
state->drm_event = wl_event_loop_add_fd(event_loop, state->fd,
diff --git a/include/backend/drm/backend.h b/include/backend/drm/backend.h
index 4df86e21..e603bccd 100644
--- a/include/backend/drm/backend.h
+++ b/include/backend/drm/backend.h
@@ -19,6 +19,7 @@
struct wlr_backend_state {
int fd;
+ dev_t dev;
struct wlr_backend *backend;
struct wl_event_source *drm_event;
diff --git a/include/wlr/session.h b/include/wlr/session.h
index 4dfb026c..5f210f10 100644
--- a/include/wlr/session.h
+++ b/include/wlr/session.h
@@ -2,9 +2,16 @@
#define WLR_SESSION_H
#include <wayland-server.h>
+#include <sys/types.h>
struct session_interface;
+// Passed to the listeners of device_paused/resumed
+struct device_arg {
+ dev_t dev;
+ int fd; // Only for device_resumed
+};
+
struct wlr_session {
const struct session_interface *iface;
diff --git a/session/logind.c b/session/logind.c
index b6763bf9..6f0327e6 100644
--- a/session/logind.c
+++ b/session/logind.c
@@ -198,8 +198,12 @@ static int pause_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_e
goto error;
}
- dev_t dev = makedev(major, minor);
- wl_signal_emit(&session->base.device_paused, &dev);
+ struct device_arg arg = {
+ .dev = makedev(major, minor),
+ .fd = -1,
+ };
+
+ wl_signal_emit(&session->base.device_paused, &arg);
ret = sd_bus_call_method(session->bus, "org.freedesktop.login1",
session->path, "org.freedesktop.login1.Session", "PauseDeviceComplete",
@@ -226,9 +230,12 @@ static int resume_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_
goto error;
}
- // TODO: Use major/minor to make sure the right devices are getting signals
+ struct device_arg arg = {
+ .dev = makedev(major, minor),
+ .fd = fd,
+ };
- wl_signal_emit(&session->base.device_resumed, &fd);
+ wl_signal_emit(&session->base.device_resumed, &arg);
error:
return 0;