3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deuc...@amd.com>

commit fa3daf9aa74a3ac1c87d8188a43d283d06720032 upstream.

We weren't properly tearing down the VM sub-alloctor
on suspend leading to bogus VM PTs on resume.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=60439

Reviewed-by: Christian König <christian.koe...@amd.com>
Tested-by: Dmitry Cherkasov <dmitrii.cherka...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/gpu/drm/radeon/ni.c |    1 +
 drivers/gpu/drm/radeon/si.c |    1 +
 2 files changed, 2 insertions(+)

--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1671,6 +1671,7 @@ int cayman_resume(struct radeon_device *
 int cayman_suspend(struct radeon_device *rdev)
 {
        r600_audio_fini(rdev);
+       radeon_vm_manager_fini(rdev);
        cayman_cp_enable(rdev, false);
        cayman_dma_stop(rdev);
        evergreen_irq_suspend(rdev);
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -4232,6 +4232,7 @@ int si_resume(struct radeon_device *rdev
 
 int si_suspend(struct radeon_device *rdev)
 {
+       radeon_vm_manager_fini(rdev);
        si_cp_enable(rdev, false);
        cayman_dma_stop(rdev);
        si_irq_suspend(rdev);


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