search for: nouveau_is_rpm_work

why the nouveau_is_rpm_worker stuff? On Sat, Nov 17, 2018 at 2:50 AM Lyude Paul <lyude at redhat.com> wrote: > > Now that we have ->pre_transfer() and ->post_transfer() for DP AUX > channel devices, we can implement these hooks in order to ensure that > the GPU is actually woken up before AUX transacti...

Here's some fixes for the less important DP AUX issues I mentioned a while back. Lyude Paul (2): drm/dp: Add ->pre/post_transfer() hooks for drm_dp_aux drm/nouveau: Grab an rpm reference before/after DP AUX transactions drivers/gpu/drm/drm_dp_helper.c | 5 ++ drivers/gpu/drm/nouveau/nouveau_connector.c | 36 ++++++++ drivers/gpu/drm/nouveau/nouveau_drm.c | 12 ++-

..._notify *notify) return NVIF_NOTIFY_KEEP; } +static int +nouveau_connector_aux_pre_xfer(struct drm_dp_aux *obj) +{ + struct nouveau_connector *nv_connector = + container_of(obj, typeof(*nv_connector), aux); + struct nouveau_drm *drm = nouveau_drm(nv_connector->base.dev); + int ret; + + if (nouveau_is_rpm_worker(drm)) + return 0; + + ret = pm_runtime_get_sync(drm->dev->dev); + if (ret < 0 && ret != -EAGAIN) + return ret; + + return 0; +} + +static void +nouveau_connector_aux_post_xfer(struct drm_dp_aux *obj) +{ + struct nouveau_connector *nv_connector = + container_of(obj, typeof(*nv_...