https://bugs.freedesktop.org/show_bug.cgi?id=83500
Priority: medium
Bug ID: 83500
Assignee: dri-devel at lists.freedesktop.org
Summary: si_dma_copy_tile causes GPU hangs
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: greg at chown.ath.cx
Hardware: x86-64 (AMD64)
Status: NEW
Version: git
Component: Drivers/Gallium/radeonsi
Product: Mesa
Created attachment 105745
--> https://bugs.freedesktop.org/attachment.cgi?id=105745&action=edit
Workaround
Async DMA linear to tiled copies are causing GPU hangs in some cases. On Cape
Verde, I can easily triggers this as described in [1]. The game Brutal Legend
also triggers similar hangs when it streams assets while gameplay.
Disabling usage of this function and using the resource_copy_region fallback
instead fixes all hangs. The attached patch does that.
[1] https://bugs.freedesktop.org/show_bug.cgi?id=79980#c124
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