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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 4.16.0+ switch amdgpu.dc=1 causes screen brightness set to 1 to be dimmed by default"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106006#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 4.16.0+ switch amdgpu.dc=1 causes screen brightness set to 1 to be dimmed by default"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106006">bug 106006</a>
from <span class="vcard"><a class="email" href="mailto:harry.wentland@amd.com" title="Harry Wentland <harry.wentland@amd.com>"> <span class="fn">Harry Wentland</span></a>
</span></b>
<pre>Not sure exactly how that kernel is assembled but it contains the problematic
code in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c. You should be
able to simply delete the block for if (__is_lut_linear(...)) in
amdgpu_dm_set_regamma_lut to fix this, if the patch doesn't straight-up apply.</pre>
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