[Bug 205585] [Regression] [amdgpu] AMD Vega 64 GPU invalid access and EEH under load

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=205585

--- Comment #5 from Alex Deucher (alexdeucher at gmail.com) ---
This doesn't look related to the first one.  The first one is a vega10 asic
according to the description, the second one is from a older VI asic. 
mmHDP_MEM_COHERENCY_FLUSH_CNTL is a register that the driver uses to flush and
invalidate the cache on the framebuffer BAR (for CPU access to the
framebuffer).  This particular code path has been in the driver for years.

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