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drm: WARN_ON if a modeset driver uses legacy suspend/resume helpers

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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>
This commit is contained in:
Gustavo Padovan 2015-08-13 17:06:39 -03:00 committed by Daniel Vetter
parent 73bf1b7be7
commit bcfe0c0954
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/drm_drv.c
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@ -566,6 +566,8 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver,
ret = drm_minor_alloc(dev, DRM_MINOR_CONTROL); ret = drm_minor_alloc(dev, DRM_MINOR_CONTROL);
if (ret) if (ret)
goto err_minors; goto err_minors;
WARN_ON(driver->suspend || driver->resume);
} }
if (drm_core_check_feature(dev, DRIVER_RENDER)) { if (drm_core_check_feature(dev, DRIVER_RENDER)) {