[Bug 112296] Kernel 5.3.11 display corruption after "(EE) intel(0): Failed to submit rendering commands (Invalid argument), disabling acceleration" on Dell Precision 5540

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112296

--- Comment #12 from Chris Wilson <chris at chris-wilson.co.uk> ---
Spotted an issue related to XY_SRC_COPY box overflow,

commit e628d22673dfa494230e6f79ceff7d178137c71a (HEAD -> master,
upstream/master)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sun Nov 17 15:10:56 2019 +0000

    sna: Fix overflow calculation for number of boxes that fit

    We detect when the number of boxes we wished to emit into the batch
    would overflow, but then miscalculated the number that would actually fit.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=112296
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

so fingers crossed.

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