On Wed, Aug 09, 2017 at 04:07:24PM -0700, Matthias Kaehlcke wrote: > rockchip_drm_sys_suspend/resume() obains a struct drm_device pointer > from drvdata, the pointer is then dereferenced to obtain private data. > drvdata is set when a display is bound, on systems without a > (successfully probed) display drvdata is NULL and the PM functions > try to dereference a NULL pointer. > > The suspend/resume code relies on a valid drm_device object, skip it if > the pointer is NULL. > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> For the record (I believe you found this already), Jeffy sent the same patch out (to the wrong mailing lists), but it got applied a bit ago: https://cgit.freedesktop.org/drm/drm-misc/log/?h=drm-misc-fixes commit 0fa375e6bc9023211eead30a6a79963c45a563da drm/rockchip: Fix suspend crash when drm is not bound https://cgit.freedesktop.org/drm/drm-misc/commit/?h=drm-misc-fixes&id=0fa375e6bc9023211eead30a6a79963c45a563da Thanks, Brian _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
