gma500: Fix Poulsbo suspend/resume crash on devices with SDVO ports
Reported-by: Guillaume Clément <guillaume@baobob.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -197,7 +197,8 @@ static int psb_save_display_registers(struct drm_device *dev)
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}
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list_for_each_entry(connector, &dev->mode_config.connector_list, head)
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connector->funcs->save(connector);
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if (connector->funcs->save)
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connector->funcs->save(connector);
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mutex_unlock(&dev->mode_config.mutex);
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return 0;
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@ -235,7 +236,8 @@ static int psb_restore_display_registers(struct drm_device *dev)
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crtc->funcs->restore(crtc);
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list_for_each_entry(connector, &dev->mode_config.connector_list, head)
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connector->funcs->restore(connector);
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if (connector->funcs->restore)
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connector->funcs->restore(connector);
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mutex_unlock(&dev->mode_config.mutex);
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return 0;
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