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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Option 'video=HDMI-...' stops working since kernel v4.2-rc ( commit 972e7d71c82e )"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103779">103779</a>
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<th>Summary</th>
<td>Option 'video=HDMI-...' stops working since kernel v4.2-rc ( commit 972e7d71c82e )
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>tkazimierczak@sims.pl
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<pre>Created <span class=""><a href="attachment.cgi?id=135517" name="attach_135517" title="kernel patch">attachment 135517</a> <a href="attachment.cgi?id=135517&action=edit" title="kernel patch">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=103779&attachment=135517'>[review]</a>
kernel patch
Since commit 972e7d71c82ea70100b808695d5cf735c1df5ef8 the kernel option
'video=HDMI-A-1:1920x1080e' stop working.
Commit description head is: "drm/i915: Ignore "digital output" and "not HDMI
output" bits for eDP detection".
After applying simple patch to the yesterday (16.11.2017) latest kernel (commit
06718a287f282ad31264560c5dc18a38474cb562), the problem is fixed (i.e.
functionality is restored):
@@ -240,6 +240,7 @@ struct bdb_general_features {
*/
#define DEVICE_TYPE_eDP_BITS \
(DEVICE_TYPE_INTERNAL_CONNECTOR | \
+ DEVICE_TYPE_NOT_HDMI_OUTPUT | \
DEVICE_TYPE_MIPI_OUTPUT | \
DEVICE_TYPE_COMPOSITE_OUTPUT | \
DEVICE_TYPE_DUAL_CHANNEL | \
Patch and full dmesg of kernel with and without patch attached.</pre>
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