diff --git a/backend/drm/drm.c b/backend/drm/drm.c index d35e349c..4757c26f 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -75,8 +75,13 @@ bool check_drm_features(struct wlr_drm_backend *drm) { int ret = drmGetCap(drm->fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap); drm->clock = (ret == 0 && cap == 1) ? CLOCK_MONOTONIC : CLOCK_REALTIME; - ret = drmGetCap(drm->fd, DRM_CAP_ADDFB2_MODIFIERS, &cap); - drm->addfb2_modifiers = ret == 0 && cap == 1; + const char *no_modifiers = getenv("WLR_DRM_NO_MODIFIERS"); + if (no_modifiers != NULL && strcmp(no_modifiers, "1") == 0) { + wlr_log(WLR_DEBUG, "WLR_DRM_NO_MODIFIERS set, disabling modifiers"); + } else { + ret = drmGetCap(drm->fd, DRM_CAP_ADDFB2_MODIFIERS, &cap); + drm->addfb2_modifiers = ret == 0 && cap == 1; + } return true; } @@ -105,7 +110,7 @@ static bool add_plane(struct wlr_drm_backend *drm, DRM_FORMAT_MOD_INVALID); } - if (p->props.in_formats) { + if (p->props.in_formats && drm->addfb2_modifiers) { uint64_t blob_id; if (!get_drm_prop(drm->fd, p->id, p->props.in_formats, &blob_id)) { wlr_log(WLR_ERROR, "Failed to read IN_FORMATS property"); @@ -704,14 +709,7 @@ static bool drm_connector_init_renderer(struct wlr_drm_connector *conn, int height = mode->wlr_mode.height; uint32_t format = DRM_FORMAT_ARGB8888; - bool modifiers = true; - const char *no_modifiers = getenv("WLR_DRM_NO_MODIFIERS"); - if (no_modifiers != NULL && strcmp(no_modifiers, "1") == 0) { - wlr_drm_conn_log(conn, WLR_DEBUG, - "WLR_DRM_NO_MODIFIERS set, initializing planes without modifiers"); - modifiers = false; - } - + bool modifiers = drm->addfb2_modifiers; if (!drm_plane_init_surface(plane, drm, width, height, format, false, modifiers) || !drm_connector_pageflip_renderer(conn)) { if (!modifiers) {