drm: don't unnecessarily enable the polling work
... by properly checking connector->polled. This doesn't matter too much because the polling work itself gets this slightly more right and doesn't set repoll if there's nothing to do. But we can do better. v2: Chris Wilson noticed that I broke polling, since repoll will never ever be set true. Fix this up, and simplify the logic a bit while at it. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -974,8 +974,7 @@ static void output_poll_execute(struct work_struct *work)
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if (!connector->polled || connector->polled == DRM_CONNECTOR_POLL_HPD)
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continue;
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else if (connector->polled & (DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT))
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repoll = true;
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repoll = true;
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old_status = connector->status;
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/* if we are connected and don't want to poll for disconnect
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@ -1019,7 +1018,8 @@ void drm_kms_helper_poll_enable(struct drm_device *dev)
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return;
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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if (connector->polled)
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if (connector->polled & (DRM_CONNECTOR_POLL_CONNECT |
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DRM_CONNECTOR_POLL_DISCONNECT))
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poll = true;
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}
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