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drm/amdgpu: add amdgpu_evict_vram debugfs file

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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@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-12-06 16:24:49 +01:00 committed by Alex Deucher
parent 763efb6c6f
commit 79588d21ad
1 changed files with 12 additions and 1 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -3969,9 +3969,20 @@ 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)