Hi Sean,

On 04/05/2017 03:44 AM, Sean Paul wrote:
On Sat, Apr 01, 2017 at 07:35:26PM +0800, Jeffy Chen wrote:
We should not cleanup iommu before cleanup other resources.

Reorder unload sequence, follow exynos drm.

This doesn't match the cleanup sequence in rockchip_drm_bind. Also make sure
that you're unwinding the setup sequence when you cleanup (ie: take a close look
at how you set things up and reverse it for cleanup).
ok, will reoder the bind sequence too, thanx.

Sean


Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com>
---

Changes in v2: None

  drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 6 ++++--
  1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index b360e62..a5d83cb 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -244,11 +244,13 @@ static void rockchip_drm_unbind(struct device *dev)
        struct drm_device *drm_dev = dev_get_drvdata(dev);

        rockchip_drm_fbdev_fini(drm_dev);
-       drm_vblank_cleanup(drm_dev);
        drm_kms_helper_poll_fini(drm_dev);
+
+       drm_vblank_cleanup(drm_dev);
        component_unbind_all(dev, drm_dev);
-       rockchip_iommu_cleanup(drm_dev);
        drm_mode_config_cleanup(drm_dev);
+       rockchip_iommu_cleanup(drm_dev);
+
        drm_dev->dev_private = NULL;
        drm_dev_unregister(drm_dev);
        drm_dev_unref(drm_dev);
--
2.1.4




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