diff options
| author | Lyude Paul <lyude@redhat.com> | 2018-09-19 20:13:51 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2018-12-11 08:37:09 +0300 |
| commit | 67287964dae3aae65ec006f15c094936f0146812 (patch) | |
| tree | db2072e1fc32505b0dca2a9acef20118593e7eea /drivers/gpu/drm/nouveau/nouveau_debugfs.c | |
| parent | e69aa5f9b97f7f871643336deb281db5cb14878b (diff) | |
| download | linux-67287964dae3aae65ec006f15c094936f0146812.tar.xz | |
drm/nouveau: Add strap_peek to debugfs
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_debugfs.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 9109b69cd052..7379c20584a2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -47,6 +47,26 @@ nouveau_debugfs_vbios_image(struct seq_file *m, void *data) } 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) { struct drm_device *drm = m->private; @@ -185,7 +205,8 @@ static const struct file_operations nouveau_pstate_fops = { }; static struct drm_info_list nouveau_debugfs_list[] = { - { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL }, + { "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) |