drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume
intel_display_resume() may be called without an atomic state to restore, i.e. dev_priv->modeset_reset_restore state is NULL. One such case is following a lid open/close event and the forced modeset in intel_lid_notify(). Reported-by:Stefan Seyfried <stefan.seyfried@googlemail.com> Tested-by:
Stefan Seyfried <stefan.seyfried@googlemail.com> Fixes: 0853695c ("drm: Add reference counting to drm_atomic_state") Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+ Link: http://patchwork.freedesktop.org/patch/msgid/20170115125825.18597-1-chris@chris-wilson.co.uk Reviewed-by:
Ander Conselvan de Oliveira <conselvan2@gmail.com>
parent
71895a08
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