24 Oct
2016
24 Oct
'16
5:56 p.m.
https://bugs.freedesktop.org/show_bug.cgi?id=93649
--- Comment #48 from Marek Olšák maraeo@gmail.com --- Does this fix the hangs? https://cgit.freedesktop.org/mesa/mesa/commit/?id=d4d9ec55c589156df4edc227a8...
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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