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authorVille Syrjälä <ville.syrjala@linux.intel.com>2018-11-22 17:34:12 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2018-11-23 15:46:58 +0300
commit10a599fabbe54a0159b5b706aaad608400acd599 (patch)
treea81575aa07050b0c8f09a343b8d9fab53733382b /drivers/gpu/drm/drm_atomic_helper.c
parent2de42f79bb21a412f40ade8831eb6fc445cb78a4 (diff)
downloadlinux-10a599fabbe54a0159b5b706aaad608400acd599.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 269f1a74de38..fe8dd8aa4ae4 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -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);