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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [DSI BYT] Panel detection fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100356#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [DSI BYT] Panel detection fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100356">bug 100356</a>
from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
<pre>(In reply to Elizabeth from <a href="show_bug.cgi?id=100356#c5">comment #5</a>)
<span class="quote">> Hello Pavel,
> Were you able to test with the parameters that Ville mention?
>
> (In reply to Ville Syrjala from <a href="show_bug.cgi?id=100356#c2">comment #2</a>)
> > [ 3.073989] [drm:pwm_setup_backlight [i915]] *ERROR* Failed to own the
> > pwm chip
> >
> > You're missing some pwm/gpio stuff most likely from the kernel (or it got
> > loaded after i915).
> >
> > Make sure you have at least these:
> > CONFIG_PWM=y
> > CONFIG_PWM_CRC=y
> > CONFIG_I2C_DESIGNWARE_PLATFORM=y
> > CONFIG_I2C_DESIGNWARE_PCI=y
> > CONFIG_INTEL_SOC_PMIC=y
>
> If so, please share results? Thank you.</span >
If those help, this is a dupe of <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CHV] Backlight init fails on Surface 3 if module load order is wrong"
href="show_bug.cgi?id=96571">bug 96571</a>.</pre>
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