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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - DC driver from drm-next-4.15-dc branch (upstream PR) not working"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103080#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - DC driver from drm-next-4.15-dc branch (upstream PR) not working"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103080">bug 103080</a>
from <span class="vcard"><a class="email" href="mailto:carlo@caione.org" title="Carlo Caione <carlo@caione.org>"> <span class="fn">Carlo Caione</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=134643" name="attach_134643" title="CONFIG_DRM_AMD_DC_PRE_VEGA kernel Oops">attachment 134643</a> <a href="attachment.cgi?id=134643&action=edit" title="CONFIG_DRM_AMD_DC_PRE_VEGA kernel Oops">[details]</a></span>
CONFIG_DRM_AMD_DC_PRE_VEGA kernel Oops
(In reply to Harry Wentland from <a href="show_bug.cgi?id=103080#c1">comment #1</a>)
<span class="quote">> Hi Carlo,
>
> please pass amdgpu.dc=1 module parameter or set CONFIG_DRM_AMD_DC_PRE_VEGA
> flag at build.</span >
This is interesting. When compiling with CONFIG_DRM_AMD_DC_PRE_VEGA I get a
kernel Oops when connecting the HDMI cable, see the attached log.
But (good news) if I revert
<a href="https://cgit.freedesktop.org/~agd5f/linux/commit/?id=8f5ed2ed31944eea5c2746ec66417afac043eabd">https://cgit.freedesktop.org/~agd5f/linux/commit/?id=8f5ed2ed31944eea5c2746ec66417afac043eabd</a>
I have no kernel Oops and HDMI works fine. So something is definitely wrong
with that commit.</pre>
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