On Thu, Feb 20, 2014 at 12:47 PM, Christian König
<deathsimple@xxxxxxxxxxx> wrote:
> From: Christian König <christian.koenig@xxxxxxx>
>
> Otherwise we might get a crash here.
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
Good catch. Applied to my fixes tree.
Thanks!
Alex
> ---
> drivers/gpu/drm/radeon/radeon_kms.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
> index 114d167..2aecd6d 100644
> --- a/drivers/gpu/drm/radeon/radeon_kms.c
> +++ b/drivers/gpu/drm/radeon/radeon_kms.c
> @@ -537,6 +537,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
>
> radeon_vm_init(rdev, &fpriv->vm);
>
> + r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
> + if (r)
> + return r;
> +
> /* map the ib pool buffer read only into
> * virtual address space */
> bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
> @@ -544,6 +548,8 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
> r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
> RADEON_VM_PAGE_READABLE |
> RADEON_VM_PAGE_SNOOPED);
> +
> + radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
> if (r) {
> radeon_vm_fini(rdev, &fpriv->vm);
> kfree(fpriv);
> --
> 1.8.3.2
>
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