<table><tr><td style="">fvogt added a comment.
</td><a style="text-decoration: none; padding: 4px 8px; margin: 0 8px 8px; float: right; color: #464C5C; font-weight: bold; border-radius: 3px; background-color: #F7F7F9; background-image: linear-gradient(to bottom,#fff,#f1f0f1); display: inline-block; border: 1px solid rgba(71,87,120,.2);" href="https://phabricator.kde.org/D8752" rel="noreferrer">View Revision</a></tr></table><br /><div><div><p>Not quite sure whether it's related to this change, but I tried to debug the failure to init the primary plane and found this:</p>
<div class="remarkup-code-block" style="margin: 12px 0;" data-code-lang="text" data-sigil="remarkup-code-block"><pre class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, 120, 0.08);">kwin_wayland_drm: Using Atomic Mode Setting.
kwin_wayland_drm: Number of planes: 2
kwin_wayland_drm: Atomic init for plane: 26
kwin_wayland_drm: 26: type' (id 6): 1
kwin_wayland_drm: "type" has enums: QVector("Primary", "Cursor", "Overlay")
kwin_wayland_drm: Test all 3 possible enums:
kwin_wayland_drm: Enum 'Overlay': runtime-value = 0
kwin_wayland_drm: Enum 'Primary': runtime-value = 1
kwin_wayland_drm: Enum 'Cursor': runtime-value = 2
kwin_wayland_drm: => "type" with mapped enum value "Primary"
[...]
kwin_wayland_drm: Atomic init for plane: 27
kwin_wayland_drm: 27: type' (id 6): 2
kwin_wayland_drm: "type" has enums: QVector("Primary", "Cursor", "Overlay")
kwin_wayland_drm: Test all 3 possible enums:
kwin_wayland_drm: Enum 'Overlay': runtime-value = 0
kwin_wayland_drm: Enum 'Primary': runtime-value = 1
kwin_wayland_drm: Enum 'Cursor': runtime-value = 2
kwin_wayland_drm: => "type" with mapped enum value "Cursor"</pre></div>
<p>But then in initPrimaryPlane it is unable to find any plane with type == Primary.<br />
If I set a breakpoint on KWin::DrmPlane::type(), every single call returns ::Overlay as m_props[0] is nullptr.</p></div></div><br /><div><strong>REPOSITORY</strong><div><div>R108 KWin</div></div></div><br /><div><strong>BRANCH</strong><div><div>drm-property-safety</div></div></div><br /><div><strong>REVISION DETAIL</strong><div><a href="https://phabricator.kde.org/D8752" rel="noreferrer">https://phabricator.kde.org/D8752</a></div></div><br /><div><strong>To: </strong>graesslin, KWin, Plasma, fvogt, subdiff<br /><strong>Cc: </strong>plasma-devel, kwin, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart<br /></div>