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path: root/drivers/gpu/drm/nouveau/nouveau_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_debugfs.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_debugfs.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 7933de4aff2e..8e1592368cce 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -157,7 +157,23 @@ nouveau_debugfs_vbios_image(struct seq_file *m, void *data)
return 0;
}
+static int
+nouveau_debugfs_evict_vram(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private;
+ int ret;
+
+ ret = ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
+ if (ret)
+ seq_printf(m, "failed: %d", ret);
+ else
+ seq_printf(m, "succeeded\n");
+ return 0;
+}
+
static struct drm_info_list nouveau_debugfs_list[] = {
+ { "evict_vram", nouveau_debugfs_evict_vram, 0, NULL },
{ "chipset", nouveau_debugfs_chipset_info, 0, NULL },
{ "memory", nouveau_debugfs_memory_info, 0, NULL },
{ "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },