[Bug 93649] [radeonsi] Graphics lockup while playing tf2
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Oct 24 17:56:37 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=93649
--- Comment #48 from Marek Olšák <maraeo at gmail.com> ---
Does this fix the hangs?
https://cgit.freedesktop.org/mesa/mesa/commit/?id=d4d9ec55c589156df4edc227a86b4a8c41048d58
It changes the HTILE (HyperZ) allocation function to
r600_aligned_buffer_create. Without that, the hardware can hang on big GPUs
(Tahiti/Pitcairn/Hawaii/Tonga/etc), but not APUs or small GPUs. The hang
happens when TTM decides to move HTILE to a different location with an
unaligned physical address (which is pretty random). The hardware tries to
access the unaligned address and boom.
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