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drm/qxl: fix disabling extra monitors from client
To disable a monitor, a Spice client sends a monitor config with the monitor resolution to 0x0. However, before qxl_crtc_disable() is reached after the hotplug event, it can happen that another monitor is reconfigured, and qxl_send_monitors_config() is called with the old config, which will re-enable the monitor on the client. Reset config if monitor is found disconnected, during drm_helper_hpd_irq_event(). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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1 changed files with 4 additions and 1 deletions
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@ -803,7 +803,10 @@ static enum drm_connector_status qxl_conn_detect(
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qdev->client_monitors_config->count > output->index &&
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qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
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DRM_DEBUG("\n");
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DRM_DEBUG("#%d connected: %d\n", output->index, connected);
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if (!connected)
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qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
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return connected ? connector_status_connected
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: connector_status_disconnected;
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}
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