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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - LG 31MU97 monitor native resolution is 4096x2160, but highest mode found is 3840x2160"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108081#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - LG 31MU97 monitor native resolution is 4096x2160, but highest mode found is 3840x2160"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108081">bug 108081</a>
from <span class="vcard"><a class="email" href="mailto:brainn@gmail.com" title="Brian Vincent <brainn@gmail.com>"> <span class="fn">Brian Vincent</span></a>
</span></b>
<pre>There's a problem with that patch.
drivers/gpu/drm/i915/intel_dp.c: In function ‘intel_dp_check_mst_status’:
drivers/gpu/drm/i915/intel_dp.c:4265:9: warning: array subscript 10 is above
array bounds of ‘u8[4]’ {aka ‘unsigned char[4]’} [-Warray-bounds]
!drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I ran it anyway, and I saw an error:
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO
underrun</pre>
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