| Message ID | 20221019143736.267324-6-contact@emersion.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/7] drm/atomic: log drm_atomic_replace_property_blob_from_id() errors | expand |
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 3df3f7ba0af3..b996351beb57 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -1261,8 +1261,10 @@ static int prepare_signaling(struct drm_device *dev, * Having this flag means user mode pends on event which will never * reach due to lack of at least one CRTC for signaling */ - if (c == 0 && (arg->flags & DRM_MODE_PAGE_FLIP_EVENT)) + if (c == 0 && (arg->flags & DRM_MODE_PAGE_FLIP_EVENT)) { + drm_dbg_atomic(dev, "need at least one CRTC for DRM_MODE_PAGE_FLIP_EVENT"); return -EINVAL; + } return 0; }
Signed-off-by: Simon Ser <contact@emersion.fr> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jani Nikula <jani.nikula@intel.com> --- drivers/gpu/drm/drm_atomic_uapi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)