[ 62/98] drm/radeon: fix S/R on VM systems (cayman/TN/SI)

Greg Kroah-Hartman
2013-03-26T23:31:49Z

From: Alex Deucher <alexander.deucher@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.koenig@amd.com>
Tested-by: Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@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);