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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [915 Haswell ULT Asus UX302LA/LG] eDP bpp clamping results in blank screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73567#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [915 Haswell ULT Asus UX302LA/LG] eDP bpp clamping results in blank screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73567">bug 73567</a>
from <span class="vcard"><a class="email" href="mailto:albaguirre@gmail.com" title="Alberto Aguirre <albaguirre@gmail.com>"> <span class="fn">Alberto Aguirre</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=73567#c22">comment #22</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=73567#c21">comment #21</a>)
> > I just noticed the latest drm-intel-nightly (commit
> > f27f16540be56813df2ebb8e1106dd5c258f07c3) has fixed the issue.
> >
> > After bisecting, it seems the blank screen issues I was getting after
> > modesetting or suspend/resume have been fixed starting from commit:
> >
> > commit b2f19d1a1d7b262cf5fbe6033776afcf6d1ab526
> > Author: Paulo Zanoni <<a href="mailto:paulo.r.zanoni@intel.com">paulo.r.zanoni@intel.com</a>>
> > Date: Thu Dec 19 14:29:44 2013 -0200
> >
> > drm/i915: set the backlight panel delays registers to 1
>
> I'm slightly surprised by this outcome. Alberto, would it be too much
> trouble to double check with the commit before that, and then with that
> commit, to make sure it's this commit that really fixes the issue for you.
> Thanks.</span >
I just double checked again and yes with the commit before
b2f19d1a1d7b262cf5fbe6033776afcf6d1ab526 - i.e this one:
commit 412b61d83a2d3e74527633097820db7510f97ce1
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Fri Jan 17 15:59:39 2014 +0200
drm/i915: Fix new_config and new_enabled for load detect
suspend/resume and modesetting result in a black screen.
Using b2f19d1a1d7b262cf5fbe6033776afcf6d1ab526 there are no blank screen issues
in my machine at least.</pre>
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