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drm/atomic-helper: WARN if fake_commit->hw_done is not completed as expected 

For real commits we WARN if ->hw_done hasn't been completed by the time
drm_atomic_helper_commit_cleanup_done() is called. Let's do the same for
the fake commit.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181122143412.11655-2-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2018-11-22 16:34:12 +02:00
parent 2de42f79bb
commit 10a599fabb
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/drm_atomic_helper.c
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@ -2216,8 +2216,10 @@ void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *old_state)
spin_unlock(&crtc->commit_lock);
}
if (old_state->fake_commit)
if (old_state->fake_commit) {
complete_all(&old_state->fake_commit->cleanup_done);
WARN_ON(!try_wait_for_completion(&old_state->fake_commit->hw_done));
}
}
EXPORT_SYMBOL(drm_atomic_helper_commit_cleanup_done);