mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-29 07:55:59 +01:00
Change wlr_session to open every GPU
This commit is contained in:
parent
eaef028976
commit
fa3d0ed929
4 changed files with 52 additions and 49 deletions
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@ -91,15 +91,9 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
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return NULL;
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return NULL;
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}
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}
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int gpu = wlr_session_find_gpu(session);
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if (gpu == -1) {
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wlr_log(L_ERROR, "Failed to open DRM device");
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goto error_session;
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}
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backend = wlr_multi_backend_create(session);
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backend = wlr_multi_backend_create(session);
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if (!backend) {
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if (!backend) {
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goto error_gpu;
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goto error_session;
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}
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}
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struct wlr_backend *libinput = wlr_libinput_backend_create(display, session);
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struct wlr_backend *libinput = wlr_libinput_backend_create(display, session);
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@ -107,21 +101,36 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
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goto error_multi;
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goto error_multi;
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}
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}
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struct wlr_backend *drm = wlr_drm_backend_create(display, session, gpu);
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wlr_multi_backend_add(backend, libinput);
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int gpus[8];
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size_t num_gpus = wlr_session_find_gpus(session, 8, gpus);
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struct wlr_backend *primary_drm = NULL;
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wlr_log(L_INFO, "Found %zu GPUs", num_gpus);
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for (size_t i = 0; i < num_gpus; ++i) {
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struct wlr_backend *drm = wlr_drm_backend_create(display, session, gpus[i]);
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if (!drm) {
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if (!drm) {
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goto error_libinput;
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wlr_log(L_ERROR, "Failed to open DRM device");
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continue;
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}
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if (!primary_drm) {
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primary_drm = drm;
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}
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}
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wlr_multi_backend_add(backend, libinput);
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wlr_multi_backend_add(backend, drm);
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wlr_multi_backend_add(backend, drm);
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}
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if (!primary_drm) {
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wlr_log(L_ERROR, "Failed to open any DRM device");
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goto error_multi;
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}
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return backend;
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return backend;
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error_libinput:
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wlr_backend_destroy(libinput);
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error_multi:
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error_multi:
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wlr_backend_destroy(backend);
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wlr_backend_destroy(backend);
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error_gpu:
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wlr_session_close_file(session, gpu);
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error_session:
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error_session:
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wlr_session_destroy(session);
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wlr_session_destroy(session);
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return NULL;
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return NULL;
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@ -42,8 +42,8 @@ static void wlr_drm_backend_destroy(struct wlr_backend *backend) {
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free(drm);
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free(drm);
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}
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}
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static struct wlr_egl *wlr_drm_backend_get_egl(struct wlr_backend *_backend) {
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static struct wlr_egl *wlr_drm_backend_get_egl(struct wlr_backend *backend) {
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struct wlr_drm_backend *drm = (struct wlr_drm_backend *)_backend;
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struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
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return &drm->renderer.egl;
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return &drm->renderer.egl;
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}
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}
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@ -191,18 +191,16 @@ bool wlr_session_change_vt(struct wlr_session *session, unsigned vt) {
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/* Tests if 'path' is KMS compatible by trying to open it.
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/* Tests if 'path' is KMS compatible by trying to open it.
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* It leaves the open device in *fd_out it it succeeds.
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* It leaves the open device in *fd_out it it succeeds.
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*/
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*/
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static bool device_is_kms(struct wlr_session *restrict session,
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static int open_if_kms(struct wlr_session *restrict session, const char *restrict path) {
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const char *restrict path, int *restrict fd_out) {
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int fd;
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int fd;
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if (!path) {
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if (!path) {
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return false;
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return -1;
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}
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}
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fd = wlr_session_open_file(session, path);
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fd = wlr_session_open_file(session, path);
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if (fd < 0) {
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if (fd < 0) {
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return false;
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return -1;
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}
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}
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drmModeRes *res = drmModeGetResources(fd);
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drmModeRes *res = drmModeGetResources(fd);
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@ -216,26 +214,21 @@ static bool device_is_kms(struct wlr_session *restrict session,
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goto out_res;
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goto out_res;
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}
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}
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if (*fd_out >= 0) {
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wlr_session_close_file(session, *fd_out);
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}
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*fd_out = fd;
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drmModeFreeResources(res);
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drmModeFreeResources(res);
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return true;
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return fd;
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out_res:
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out_res:
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drmModeFreeResources(res);
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drmModeFreeResources(res);
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out_fd:
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out_fd:
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wlr_session_close_file(session, fd);
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wlr_session_close_file(session, fd);
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return false;
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return -1;
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}
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}
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/* Tries to find the primary GPU by checking for the "boot_vga" attribute.
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/* Tries to find the primary GPU by checking for the "boot_vga" attribute.
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* If it's not found, it returns the first valid GPU it finds.
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* If it's not found, it returns the first valid GPU it finds.
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*/
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*/
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int wlr_session_find_gpu(struct wlr_session *session) {
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size_t wlr_session_find_gpus(struct wlr_session *session,
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size_t ret_len, int ret[static ret_len]) {
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struct udev_enumerate *en = udev_enumerate_new(session->udev);
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struct udev_enumerate *en = udev_enumerate_new(session->udev);
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if (!en) {
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if (!en) {
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wlr_log(L_ERROR, "Failed to create udev enumeration");
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wlr_log(L_ERROR, "Failed to create udev enumeration");
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@ -247,9 +240,13 @@ int wlr_session_find_gpu(struct wlr_session *session) {
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udev_enumerate_scan_devices(en);
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udev_enumerate_scan_devices(en);
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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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size_t i = 0;
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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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if (i == ret_len) {
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break;
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}
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bool is_boot_vga = false;
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bool is_boot_vga = false;
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const char *path = udev_list_entry_get_name(entry);
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const char *path = udev_list_entry_get_name(entry);
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@ -258,15 +255,13 @@ int wlr_session_find_gpu(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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/*
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const char *seat = udev_device_get_property_value(dev, "ID_SEAT");
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const char *seat = udev_device_get_property_value(dev, "ID_SEAT");
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if (!seat)
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if (!seat)
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seat = "seat0";
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seat = "seat0";
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if (strcmp(session->seat, seat) != 0) {
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if (session->seat[0] && strcmp(session->seat, seat) != 0) {
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udev_device_unref(dev);
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udev_device_unref(dev);
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continue;
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continue;
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}
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}
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*/
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// This is owned by 'dev', so we don't need to free it
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// This is owned by 'dev', so we don't need to free it
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struct udev_device *pci =
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struct udev_device *pci =
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@ -279,27 +274,25 @@ int wlr_session_find_gpu(struct wlr_session *session) {
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}
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}
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}
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}
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// We already have a valid GPU
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int fd = open_if_kms(session, udev_device_get_devnode(dev));
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if (!is_boot_vga && fd >= 0) {
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if (fd < 0) {
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udev_device_unref(dev);
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continue;
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}
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path = udev_device_get_devnode(dev);
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if (!device_is_kms(session, path, &fd)) {
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udev_device_unref(dev);
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udev_device_unref(dev);
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continue;
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continue;
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}
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}
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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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ret[i] = fd;
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if (is_boot_vga) {
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if (is_boot_vga) {
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break;
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int tmp = ret[0];
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ret[0] = ret[i];
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ret[i] = tmp;
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}
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}
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++i;
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}
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}
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udev_enumerate_unref(en);
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udev_enumerate_unref(en);
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return fd;
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return i;
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}
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}
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@ -78,6 +78,7 @@ void wlr_session_signal_add(struct wlr_session *session, int fd,
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*/
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*/
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bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
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bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
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int wlr_session_find_gpu(struct wlr_session *session);
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size_t wlr_session_find_gpus(struct wlr_session *session,
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size_t ret_len, int ret[static ret_len]);
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#endif
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#endif
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