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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - drm/amd/display: set backlight level limit to 1: breaks userspace programs assuming 0 is the minimum brightness"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108668">108668</a>
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<th>Summary</th>
<td>drm/amd/display: set backlight level limit to 1: breaks userspace programs assuming 0 is the minimum brightness
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<th>Product</th>
<td>DRI
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<th>Version</th>
<td>unspecified
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/AMDgpu
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Reporter</th>
<td>samantham@posteo.net
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<p>
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<pre>This commit
<a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0cafc82fae41531b0162150f9a97f2c74f97118f">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0cafc82fae41531b0162150f9a97f2c74f97118f</a>
breaks KDE and any other software that assumes setting 0 will induce the
minimum brightness. Maybe it would make more sense to set the brightness level
to "1" if userspace requests brightness level "0" so programs still function
correctly.
If desired the call could still return false to indicate it was out of bounds,
but still lower brightness.</pre>
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