On Thu, Jun 6, 2013 at 12:41 PM, <j.glisse@xxxxxxxxx> wrote:
> From: Jerome Glisse <jglisse@xxxxxxxxxx>
>
> If a buffer is never bind to a virtual memory pagetable than don't try
> to unbind it. Only drawback is that we don't update the pagetable when
> unbinding the ib pool buffer which is fine because it only happens at
> suspend or module unload/shutdown.
Applied with a note about fixing spurious messages.
Alex
>
> Cc: stable@xxxxxxxxxx
> Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
> ---
> drivers/gpu/drm/radeon/radeon_gart.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
> index 6e24f84..daf9710 100644
> --- a/drivers/gpu/drm/radeon/radeon_gart.c
> +++ b/drivers/gpu/drm/radeon/radeon_gart.c
> @@ -1209,11 +1209,13 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
> int radeon_vm_bo_rmv(struct radeon_device *rdev,
> struct radeon_bo_va *bo_va)
> {
> - int r;
> + int r = 0;
>
> mutex_lock(&rdev->vm_manager.lock);
> mutex_lock(&bo_va->vm->mutex);
> - r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
> + if (bo_va->soffset) {
> + r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
> + }
> mutex_unlock(&rdev->vm_manager.lock);
> list_del(&bo_va->vm_list);
> mutex_unlock(&bo_va->vm->mutex);
> --
> 1.7.11.7
>
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