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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
| commit | 53a7ff8fb785839b87f950fd85433d9c662fac89 (patch) | |
| tree | 119840a23e5226d3f258e2309b4ef1d328535dd2 /drivers/gpu/drm/drm_atomic_helper.c | |
| parent | 4323418d62fefe48ee5019f2c744c918be06ec69 (diff) | |
| parent | 072a7852338af900c302490474939e089f4bd4c4 (diff) | |
Merge branch 'bind_unbind' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into next
This brings in devm_device_add_group() and friends so that we can create
driver-specific device attributes as managed resources.
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 8be9719284b0..aa885a614e27 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -508,6 +508,8 @@ 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); @@ -551,6 +553,8 @@ 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 @@ -650,6 +654,8 @@ 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); @@ -2663,7 +2669,12 @@ 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; |