diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_wakeref.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_wakeref.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_wakeref.c b/drivers/gpu/drm/i915/intel_wakeref.c index 623a69089386..2401b88b55a4 100644 --- a/drivers/gpu/drm/i915/intel_wakeref.c +++ b/drivers/gpu/drm/i915/intel_wakeref.c @@ -191,3 +191,31 @@ void intel_wakeref_auto_fini(struct intel_wakeref_auto *wf) intel_wakeref_auto(wf, 0); INTEL_WAKEREF_BUG_ON(wf->wakeref); } + +void intel_ref_tracker_show(struct ref_tracker_dir *dir, + struct drm_printer *p) +{ + const size_t buf_size = PAGE_SIZE; + char *buf, *sb, *se; + size_t count; + + buf = kmalloc(buf_size, GFP_NOWAIT); + if (!buf) + return; + + count = ref_tracker_dir_snprint(dir, buf, buf_size); + if (!count) + goto free; + /* printk does not like big buffers, so we split it */ + for (sb = buf; *sb; sb = se + 1) { + se = strchrnul(sb, '\n'); + drm_printf(p, "%.*s", (int)(se - sb + 1), sb); + if (!*se) + break; + } + if (count >= buf_size) + drm_printf(p, "\n...dropped %zd extra bytes of leak report.\n", + count + 1 - buf_size); +free: + kfree(buf); +} |