From c8c5aedaa21e7b8c0a47761a987ab5770b674f0b Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Sun, 24 Sep 2017 12:19:49 +1300 Subject: [PATCH] Add error checking to DRM legacy --- backend/drm/drm-legacy.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/backend/drm/drm-legacy.c b/backend/drm/drm-legacy.c index 5077fcab..9b7cd301 100644 --- a/backend/drm/drm-legacy.c +++ b/backend/drm/drm-legacy.c @@ -9,11 +9,17 @@ static bool legacy_crtc_pageflip(struct wlr_drm_backend *backend, struct wlr_drm_output *output, struct wlr_drm_crtc *crtc, uint32_t fb_id, drmModeModeInfo *mode) { if (mode) { - drmModeSetCrtc(backend->fd, crtc->id, fb_id, 0, 0, - &output->connector, 1, mode); + if (drmModeSetCrtc(backend->fd, crtc->id, fb_id, 0, 0, + &output->connector, 1, mode)) { + wlr_log_errno(L_ERROR, "%s: Failed to set CRTC", output->output.name); + return false; + } } - drmModePageFlip(backend->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output); + if (drmModePageFlip(backend->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output)) { + wlr_log_errno(L_ERROR, "%s: Failed to page flip", output->output.name); + return false; + } return true; }