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| author | Sean Paul <seanpaul@chromium.org> | 2017-06-27 09:18:17 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-06-27 09:18:17 -0400 |
| commit | b740e76936c14354a9c5676a3eed839ea8472c41 (patch) | |
| tree | dd0b74f64007dba28fcf12595af893e367d307ff /drivers/gpu/drm/drm_atomic_helper.c | |
| parent | 7141fd3e5ba90d09d2138ff1bbefd7cc43a82e94 (diff) | |
| parent | 6d61e70ccc21606ffb8a0a03bd3aba24f659502b (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Required for Daniel's drm_vblank_cleanup cleanup
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index c4e4e8b5caeb..2f269e4267da 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -574,6 +574,8 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, bool has_connectors = !!new_crtc_state->connector_mask; + WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); + if (!drm_mode_equal(&old_crtc_state->mode, &new_crtc_state->mode)) { DRM_DEBUG_ATOMIC("[CRTC:%d:%s] mode changed\n", crtc->base.id, crtc->name); @@ -617,6 +619,8 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, for_each_oldnew_connector_in_state(state, connector, old_connector_state, new_connector_state, i) { const struct drm_connector_helper_funcs *funcs = connector->helper_private; + WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); + /* * This only sets crtc->connectors_changed for routing changes, * drivers must set crtc->connectors_changed themselves when @@ -720,6 +724,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev, for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { const struct drm_plane_helper_funcs *funcs; + WARN_ON(!drm_modeset_is_locked(&plane->mutex)); + funcs = plane->helper_private; drm_atomic_helper_plane_changed(state, old_plane_state, new_plane_state, plane); @@ -2774,7 +2780,12 @@ int drm_atomic_helper_resume(struct drm_device *dev, drm_modeset_acquire_init(&ctx, 0); while (1) { + err = drm_modeset_lock_all_ctx(dev, &ctx); + if (err) + goto out; + err = drm_atomic_helper_commit_duplicated_state(state, &ctx); +out: if (err != -EDEADLK) break; |