From: Alan Cox <alan@xxxxxxxxxxxxxxx> Reported-by: Guillaume Clément <guillaume@xxxxxxxxxx> Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxx> --- drivers/gpu/drm/gma500/psb_device.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c index 2a3e2da..eff039b 100644 --- a/drivers/gpu/drm/gma500/psb_device.c +++ b/drivers/gpu/drm/gma500/psb_device.c @@ -197,7 +197,8 @@ static int psb_save_display_registers(struct drm_device *dev) } list_for_each_entry(connector, &dev->mode_config.connector_list, head) - connector->funcs->save(connector); + if (connector->funcs->save) + connector->funcs->save(connector); mutex_unlock(&dev->mode_config.mutex); return 0; @@ -235,7 +236,8 @@ static int psb_restore_display_registers(struct drm_device *dev) crtc->funcs->restore(crtc); list_for_each_entry(connector, &dev->mode_config.connector_list, head) - connector->funcs->restore(connector); + if (connector->funcs->restore) + connector->funcs->restore(connector); mutex_unlock(&dev->mode_config.mutex); return 0; -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
