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<head>
<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Display on baytrail all-in-one non functional after bios update"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73704">73704</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>Display on baytrail all-in-one non functional after bios update
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sarvatt@gmail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg CVS
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=92233" name="attach_92233" title="Xorg.0.log">attachment 92233</a> <a href="attachment.cgi?id=92233&action=edit" title="Xorg.0.log">[details]</a></span>
Xorg.0.log
-- chipset: Intel Corporation ValleyView Gen7 [8086:0f31]
-- system architecture: x86_64
-- Linux distribution: Ubuntu 12.04.2
-- libdrm 2.4.43
-- Kernel versions affected: 3.13-rc4
-- xf86-video-intel: 2.20.9
The internal display on this all-in-one form factor machine stopped working
after a recent bios update, no other components changed.
[ 15.390698] ------------[ cut here ]------------
[ 15.390728] WARNING: at
/var/lib/dkms/drm-dkms-i915/3.13.0rc4hwe1somerville1/build/backports/drivers/gpu/drm/i915/intel_dp.c:1805
intel_enable_dp+0x8e/0x90 [i915]()
[ 15.390731] Hardware name: Foo
[ 15.390732] Modules linked in: snd_hda_intel(+) snd_hda_codec snd_hwdep arc4
snd_pcm snd_seq_midi coretemp snd_rawmidi snd_seq_midi_event ath9k(O) snd_seq
kvm_intel mac80211(O) i915(O) ath9k_common(O) kvm snd_timer uv$
[ 15.390788] Pid: 299, comm: plymouthd Tainted: G O
3.5.0-44-generic #67~precise1-Ubuntu
[ 15.390791] Call Trace:
[ 15.390800] [<ffffffff81052e9f>] warn_slowpath_common+0x7f/0xc0
[ 15.390804] [<ffffffff81052efa>] warn_slowpath_null+0x1a/0x20
[ 15.390822] [<ffffffffa05e250e>] intel_enable_dp+0x8e/0x90 [i915]
[ 15.390839] [<ffffffffa05e265a>] vlv_pre_enable_dp+0x11a/0x170 [i915]
[ 15.390856] [<ffffffffa05ca59c>] valleyview_crtc_enable+0x11c/0x420 [i915]
[ 15.390873] [<ffffffffa05cc837>] __intel_set_mode+0x747/0x1570 [i915]
[ 15.390889] [<ffffffffa05cfaf6>] intel_set_mode+0x16/0x30 [i915]
[ 15.390906] [<ffffffffa05d0349>] intel_crtc_set_config+0x839/0xa50 [i915]
[ 15.390924] [<ffffffffa029f25c>] drm_mode_set_config_internal+0x5c/0xe0
[drm]
[ 15.390931] [<ffffffffa044b323>] drm_fb_helper_restore_fbdev_mode+0xb3/0xe0
[drm_kms_helper]
[ 15.390951] [<ffffffffa060c71a>] intel_fbdev_restore_mode+0x4a/0x84 [i915]
[ 15.390964] [<ffffffffa0592835>] i915_driver_lastclose+0x45/0x60 [i915]
[ 15.390974] [<ffffffffa0294b09>] drm_lastclose+0x49/0x1a0 [drm]
[ 15.390985] [<ffffffffa029509c>] drm_release+0x43c/0x600 [drm]
[ 15.390990] [<ffffffff81189e7e>] __fput+0xbe/0x240
[ 15.390994] [<ffffffff8118a025>] fput+0x25/0x30
[ 15.390998] [<ffffffff81186ca6>] filp_close+0x66/0x90
[ 15.391002] [<ffffffff81186d6e>] sys_close+0x9e/0x110
[ 15.391008] [<ffffffff816a7729>] system_call_fastpath+0x16/0x1b
[ 15.391010] ---[ end trace 4516aee112870a3a ]---
[ 15.526414] [drm:intel_pipe_config_compare] *ERROR* mismatch in
dpll_hw_state.dpll_md (expected 0x00000000, found 0x00000003)</pre>
</div>
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