[Bug 80253] [SNA G33/31] Font corruption in Firefox address bar

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80253

--- Comment #6 from Chris Wilson <chris at chris-wilson.co.uk> ---
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index b6f4b85..53d26cd 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -3812,6 +3812,9 @@ cpu_fail:
                if (priv->cpu_bo->pitch >= 4096)
                        goto move_to_gpu;

+               if ((flags & IGNORE_CPU) == 0 && priv->cpu_bo->snoop)
+                       goto move_to_gpu;
+
                if (!sna->kgem.can_blt_cpu)
                        goto move_to_gpu;
        }


I have a sneaky suspicion that I am papering over a hw bug.

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