Patch Upstream: drm/radeon: fix S/R on VM systems (cayman/TN/SI)

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commit: fa3daf9aa74a3ac1c87d8188a43d283d06720032
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Mon, 11 Mar 2013 15:32:26 -0400
Subject: drm/radeon: fix S/R on VM systems (cayman/TN/SI)
MIME-Version: 1.0
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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.koenig@xxxxxxx>
Tested-by: Dmitry Cherkasov <Dmitrii.Cherkasov@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
 drivers/gpu/drm/radeon/ni.c |    1 +
 drivers/gpu/drm/radeon/si.c |    1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index d4c633e1..e77c927 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1771,6 +1771,7 @@ int cayman_resume(struct radeon_device *rdev)
 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);
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 9128120..bafbe32 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -4469,6 +4469,7 @@ 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);
-- 
1.7.10.4
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