[Bug 105720] screen corruption using SNA and TearFree on Intel GeminiLake

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105720

--- Comment #27 from Chris Wilson <chris at chris-wilson.co.uk> ---
The lack of green onto the rotated output gives an idea:

diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
index 7fccb508..0ddb2080 100644
--- a/src/sna/sna_display.c
+++ b/src/sna/sna_display.c
@@ -1837,6 +1837,7 @@ static bool wait_for_shadow(struct sna *sna,
        RegionSubtract(&sna->mode.shadow_region,
                       &sna->mode.shadow_region,
                       &sna->mode.shadow_cancel);
+       DamageRegionAppend(sna->front, &sna->mode.shadow_region);

        while (!list_is_empty(&sna->mode.shadow_crtc)) {
                struct sna_crtc *crtc =

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