diff options
Diffstat (limited to 'backend/drm/backend.c')
| -rw-r--r-- | backend/drm/backend.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 10f324a0..b9e7274b 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -1,6 +1,7 @@ #include <assert.h> #include <errno.h> #include <drm_fourcc.h> +#include <libudev.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -58,6 +59,7 @@ static void backend_destroy(struct wlr_backend *backend) { finish_drm_resources(drm); + udev_hwdb_unref(drm->hwdb); free(drm->name); wlr_session_close_file(drm->session, drm->dev); wl_event_source_remove(drm->drm_event); @@ -172,6 +174,23 @@ static void handle_parent_destroy(struct wl_listener *listener, void *data) { backend_destroy(&drm->backend); } +static struct udev_hwdb *create_udev_hwdb(void) { + struct udev *udev = udev_new(); + if (!udev) { + wlr_log(WLR_ERROR, "udev_new failed"); + return NULL; + } + + struct udev_hwdb *hwdb = udev_hwdb_new(udev); + udev_unref(udev); + if (!hwdb) { + wlr_log(WLR_ERROR, "udev_hwdb_new failed"); + return NULL; + } + + return hwdb; +} + struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, struct wlr_session *session, struct wlr_device *dev, struct wlr_backend *parent) { @@ -226,6 +245,12 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, drm->session_active.notify = handle_session_active; wl_signal_add(&session->events.active, &drm->session_active); + drm->hwdb = create_udev_hwdb(); + if (!drm->hwdb) { + wlr_log(WLR_INFO, "Failed to load udev_hwdb, " + "falling back to PnP IDs instead of manufacturer names"); + } + if (!check_drm_features(drm)) { goto error_event; } @@ -275,6 +300,7 @@ error_mgpu_renderer: error_resources: finish_drm_resources(drm); error_event: + udev_hwdb_unref(drm->hwdb); wl_list_remove(&drm->session_active.link); wl_event_source_remove(drm->drm_event); error_fd: |