[PATCH 2/2] drm/amdgpu: add amdgpu_evict_vram debugfs file

Alex Deucher alexdeucher at gmail.com
Thu Dec 7 15:56:04 UTC 2017


On Thu, Dec 7, 2017 at 10:38 AM, Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
> Torture test for MM and VM support, can be used to evict all VRAM while
> the system is under load.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>

Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 975e821617b1..a9bca0d5fefe 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -3970,9 +3970,20 @@ static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data)
>         return 0;
>  }
>
> +static int amdgpu_debugfs_evict_vram(struct seq_file *m, void *data)
> +{
> +       struct drm_info_node *node = (struct drm_info_node *)m->private;
> +       struct drm_device *dev = node->minor->dev;
> +       struct amdgpu_device *adev = dev->dev_private;
> +
> +       seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev));
> +       return 0;
> +}
> +
>  static const struct drm_info_list amdgpu_debugfs_list[] = {
>         {"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump},
> -       {"amdgpu_test_ib", &amdgpu_debugfs_test_ib}
> +       {"amdgpu_test_ib", &amdgpu_debugfs_test_ib},
> +       {"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram}
>  };
>
>  static int amdgpu_debugfs_init(struct amdgpu_device *adev)
> --
> 2.11.0
>
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