diff options
| author | Simon Ser <contact@emersion.fr> | 2022-10-19 14:38:16 +0000 |
|---|---|---|
| committer | Simon Ser <contact@emersion.fr> | 2023-06-23 16:34:25 +0200 |
| commit | 98f518542051ea7abbea1a0cdb388f2c92d902a9 (patch) | |
| tree | 40a03a7b808bd8ee88dbbed7a15441d8d8c016e0 /drivers/gpu/drm/drm_atomic_uapi.c | |
| parent | d43b3cdcc6029eead6976f3abfe94f8c5840ea7f (diff) | |
drm/atomic: log when page-flip is requested without CRTCs
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221019143736.267324-6-contact@emersion.fr
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_uapi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_uapi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index e2373d1cfebc..e4c46a75af90 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -1265,8 +1265,10 @@ 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; } |