Alyssa Rosenzweig
2d31d469f7
If a user attempts to run Panfrost on an unsupported GPU (e.g. Mali
T604), Panfrost will refuse to load and will destroy the screen
immediately, allowing for a graceful fallback to a software rasterizer.
However, the screen destroy code calls a screen_destroy function in the
GenXML vtbl -- and this function is still NULL when the allowlist is
checked. This manifests as crashes on unsuported GPUs.
Issue tracked down with Icecream95's mad Ghidra skills.
Closes: #5269
Fixes: 88dc4db6be ("panfrost: Init/destroy blitter from per-gen file")
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reported-by: Icecream95 <ixn@disroot.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12512>
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