Udev event device matching
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parent
40b85d992a
commit
de44994dfc
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@ -5,6 +5,7 @@
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#include <errno.h>
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#include <errno.h>
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#include <assert.h>
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#include <assert.h>
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#include <wayland-server.h>
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#include <wayland-server.h>
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#include <xf86drm.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <wlr/session.h>
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#include <wlr/session.h>
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#include <wlr/types.h>
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#include <wlr/types.h>
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@ -30,7 +31,6 @@ static void wlr_drm_backend_destroy(struct wlr_backend_state *state) {
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}
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}
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wlr_drm_renderer_free(&state->renderer);
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wlr_drm_renderer_free(&state->renderer);
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wlr_session_close_file(state->session, state->fd);
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wlr_session_close_file(state->session, state->fd);
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wlr_session_finish(state->session);
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wl_event_source_remove(state->drm_event);
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wl_event_source_remove(state->drm_event);
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free(state);
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free(state);
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}
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}
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@ -73,14 +73,31 @@ static void device_resumed(struct wl_listener *listener, void *data) {
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}
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}
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}
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}
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static void drm_invalidated(struct wl_listener *listener, void *state) {
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static void drm_invalidated(struct wl_listener *listener, void *data) {
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struct wlr_backend_state *drm = wl_container_of(listener, drm, drm_invalidated);
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struct wlr_backend_state *drm = wl_container_of(listener, drm, drm_invalidated);
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dev_t *dev = data;
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if (drm->dev == *dev) {
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char *name = drmGetDeviceNameFromFd2(drm->fd);
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wlr_log(L_DEBUG, "%s invalidated", name);
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free(name);
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wlr_drm_scan_connectors(drm);
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wlr_drm_scan_connectors(drm);
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}
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}
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}
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_session *session, struct wlr_udev *udev, int gpu_fd) {
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struct wlr_session *session, struct wlr_udev *udev, int gpu_fd) {
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assert(display && session && gpu_fd > 0);
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assert(display && session && gpu_fd > 0);
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char *name = drmGetDeviceNameFromFd2(gpu_fd);
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drmVersion *version = drmGetVersion(gpu_fd);
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wlr_log(L_INFO, "Initalizing DRM backend for %s (%s)", name, version->name);
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free(name);
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drmFreeVersion(version);
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struct wlr_backend_state *state = calloc(1, sizeof(struct wlr_backend_state));
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struct wlr_backend_state *state = calloc(1, sizeof(struct wlr_backend_state));
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if (!state) {
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if (!state) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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@ -276,7 +276,6 @@ static void wlr_drm_output_enable(struct wlr_output_state *output, bool enable)
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static void wlr_drm_output_destroy(struct wlr_output_state *output) {
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static void wlr_drm_output_destroy(struct wlr_output_state *output) {
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wlr_drm_output_cleanup(output, true);
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wlr_drm_output_cleanup(output, true);
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wlr_drm_renderer_free(output->renderer);
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free(output);
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free(output);
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}
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}
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@ -73,7 +73,6 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) {
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struct udev_list_entry *entry;
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struct udev_list_entry *entry;
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int fd = -1;
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int fd = -1;
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char *drm_path = NULL;
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udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) {
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udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) {
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bool is_boot_vga = false;
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bool is_boot_vga = false;
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@ -117,9 +116,6 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) {
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continue;
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continue;
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}
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}
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free(drm_path);
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drm_path = strdup(path);
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udev_device_unref(dev);
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udev_device_unref(dev);
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// We've found the primary GPU
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// We've found the primary GPU
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@ -130,7 +126,6 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) {
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udev_enumerate_unref(en);
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udev_enumerate_unref(en);
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udev->drm_path = drm_path;
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return fd;
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return fd;
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}
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}
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@ -143,21 +138,16 @@ static int udev_event(int fd, uint32_t mask, void *data) {
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}
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}
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const char *action = udev_device_get_action(dev);
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const char *action = udev_device_get_action(dev);
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const char *path = udev_device_get_devnode(dev);
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wlr_log(L_DEBUG, "udev event for %s (%s)",
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wlr_log(L_DEBUG, "udev event for %s (%s)",
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udev_device_get_sysname(dev), action);
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udev_device_get_sysname(dev), action);
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if (!path || strcmp(path, udev->drm_path) != 0) {
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goto out;
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}
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if (!action || strcmp(action, "change") != 0) {
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if (!action || strcmp(action, "change") != 0) {
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goto out;
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goto out;
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}
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}
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// TODO: Specify the GPU that's being invalidated
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dev_t devnum = udev_device_get_devnum(dev);
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wl_signal_emit(&udev->invalidate_drm, udev);
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wl_signal_emit(&udev->invalidate_drm, &devnum);
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out:
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out:
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udev_device_unref(dev);
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udev_device_unref(dev);
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@ -216,5 +206,4 @@ void wlr_udev_destroy(struct wlr_udev *udev) {
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udev_monitor_unref(udev->mon);
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udev_monitor_unref(udev->mon);
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udev_unref(udev->udev);
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udev_unref(udev->udev);
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free(udev->drm_path);
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}
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}
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@ -9,7 +9,6 @@
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struct wlr_udev {
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struct wlr_udev {
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struct udev *udev;
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struct udev *udev;
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struct udev_monitor *mon;
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struct udev_monitor *mon;
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char *drm_path;
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struct wl_event_source *event;
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struct wl_event_source *event;
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struct wl_signal invalidate_drm;
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struct wl_signal invalidate_drm;
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};
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};
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