From bcfe0c0954f3336c44993e5ce444e09ad6087637 Mon Sep 17 00:00:00 2001 From: Gustavo Padovan Date: Thu, 13 Aug 2015 17:06:39 -0300 Subject: [PATCH] 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 Signed-off-by: Daniel Vetter --- drivers/gpu/drm/drm_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 53d09a19f7e1..dc93c881f29d 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -566,6 +566,8 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver, ret = drm_minor_alloc(dev, DRM_MINOR_CONTROL); if (ret) goto err_minors; + + WARN_ON(driver->suspend || driver->resume); } if (drm_core_check_feature(dev, DRIVER_RENDER)) { -- 2.20.1