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drm/nouveau: Add strap_peek to debugfs

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Since we already expose the vbios.rom file here, why not also expose the
strap_peek?

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Lyude Paul 2018-09-19 13:13:51 -04:00 committed by Ben Skeggs
parent e69aa5f9b9
commit 67287964da
1 changed files with 22 additions and 1 deletions
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21
drivers/gpu/drm/nouveau/nouveau_debugfs.c
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@ -46,6 +46,26 @@ nouveau_debugfs_vbios_image(struct seq_file *m, void *data)
return 0;
}
static int
nouveau_debugfs_strap_peek(struct seq_file *m, void *data)
{
struct drm_info_node *node = m->private;
struct nouveau_drm *drm = nouveau_drm(node->minor->dev);
int ret;
ret = pm_runtime_get_sync(drm->dev->dev);
if (ret < 0 && ret != -EACCES)
return ret;
seq_printf(m, "0x%08x\n",
nvif_rd32(&drm->client.device.object, 0x101000));
pm_runtime_mark_last_busy(drm->dev->dev);
pm_runtime_put_autosuspend(drm->dev->dev);
return 0;
}
static int
nouveau_debugfs_pstate_get(struct seq_file *m, void *data)
{
@ -186,6 +206,7 @@ static const struct file_operations nouveau_pstate_fops = {
static struct drm_info_list nouveau_debugfs_list[] = {
{ "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
{ "strap_peek", nouveau_debugfs_strap_peek, 0, NULL },
};
#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)