drm: WARN_ON if a modeset driver uses legacy suspend/resume helpers
Legacy s/r hooks are only used for shadow-attaching drivers, warn when a KMS driver tries to use them. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -566,6 +566,8 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver,
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ret = drm_minor_alloc(dev, DRM_MINOR_CONTROL);
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if (ret)
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goto err_minors;
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WARN_ON(driver->suspend || driver->resume);
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}
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if (drm_core_check_feature(dev, DRIVER_RENDER)) {
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