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

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>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2013-03-11 15:32:26 -04:00
parent 8698080ee0
commit fa3daf9aa7
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/radeon/ni.c
View File

@ -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);

1
drivers/gpu/drm/radeon/si.c
View File

@ -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);