drm/nouveau/kms: drop dpms off/on in response to hotplug (d000edd3) · Commits · 戴 / test

This primarily existed to ensure the DP link got retrained, and is now unnecessary as that's handled by NVKM already. For anything beyond that, we send an event to userspace and let it decide on an appropriate action to take. Signed-off-by:

Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_connector.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -1001,14 +1001,6 @@ nouveau_connector_hotplug(struct nvif_notify *notify)
		bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);

		NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);

		mutex_lock(&drm->dev->mode_config.mutex);
		if (plugged)
		drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
		else
		drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
		mutex_unlock(&drm->dev->mode_config.mutex);

		drm_helper_hpd_irq_event(connector->dev);
		}

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