diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index 0eb0c62d2f4f..d42a9ff2f78e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -1394,6 +1394,9 @@ static void amdgpu_discovery_sysfs_fini(struct amdgpu_device *adev) struct list_head *el, *tmp; struct kset *die_kset; + if (!ip_top) + return; + die_kset = &ip_top->die_kset; spin_lock(&die_kset->list_lock); list_for_each_prev_safe(el, tmp, &die_kset->list) { @@ -1418,9 +1421,15 @@ void amdgpu_discovery_dump(struct amdgpu_device *adev, struct drm_printer *p) struct ip_hw_instance *ip_inst; int i = 0, j; + drm_printf(p, "\nHW IP Discovery\n"); + + if (!ip_top) { + drm_printf(p, "ip discovery topology unavailable\n"); + return; + } + die_kset = &ip_top->die_kset; - drm_printf(p, "\nHW IP Discovery\n"); spin_lock(&die_kset->list_lock); list_for_each(el_die, &die_kset->list) { drm_printf(p, "die %d\n", i++); |