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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - i915_init takes over 100 ms"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105622">105622</a>
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</tr>
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<th>Summary</th>
<td>i915_init takes over 100 ms
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pmenzel+bugs.freedesktop@molgen.mpg.de
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>For a quick boot, it is important, that modules load as fast as possible.
Currently on a Dell XPS 13 9370 with , according to `initcall_debug` the
function `i915_init` takes 130 ms.
```
$ lspci -s 02.0 -nn
00:02.0 VGA compatible controller [0300]: Intel Corporation UHD Graphics 620
[8086:5917] (rev 07)
$
$ sudo dmesg
[…]
[ 2.260353] calling i915_init+0x0/0x59 [i915] @ 301
[…]
[ 2.320132] fb: switching to inteldrmfb from EFI VGA
[ 2.320147] Console: switching to colour dummy device 80x25
[ 2.320732] [drm] Replacing VGA console driver
[ 2.323454] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 2.323455] [drm] Driver supports precise vblank timestamp query.
[ 2.330618] i915 0000:00:02.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 2.331609] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin
(v1.4)
[ 2.338525] [drm] Initialized i915 1.6.0 20171222 for 0000:00:02.0 on minor
0
[…]
[ 2.392787] initcall i915_init+0x0/0x59 [i915] returned 0 after 129294 usecs
[ 2.392789] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[ 2.392925] initcall azx_driver_init+0x0/0xfd8 [snd_hda_intel] returned 0
after 123877 usecs
[ 2.393932] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915])
```</pre>
</div>
</p>
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