This is just a theoretical issue, but we need to do this to prevent the WARN in pipe_from_connector at suspend time. https://bugs.freedesktop.org/show_bug.cgi?id=71978 Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/i915_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 13076db..0ec0fb3 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -535,8 +535,10 @@ static int i915_drm_freeze(struct drm_device *dev) * Disable CRTCs directly since we want to preserve sw state * for _thaw. */ + mutex_lock(&dev->mode_config.mutex); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) dev_priv->display.crtc_disable(crtc); + mutex_unlock(&dev->mode_config.mutex); intel_modeset_suspend_hw(dev); } -- 1.7.9.5 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
