[Bug 82050] R9270X pyrit benchmark perf regressions with latest kernel/llvm

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82050

--- Comment #25 from Michel Dänzer <michel at daenzer.net> ---
(In reply to comment #24)
> Just a general note: We need to define that flag negated for compatibility
> reasons. E.g. RADEON_GEM_NO_CPU_ACCESS because code must assume with an old
> client that the buffer is always CPU accessed.

No, CPU access works fine even with old clients which don't set the flag.

The flag is just an optimization, preventing BOs which are expected to be
accessed by the CPU from being stored in the CPU-inaccessible part of VRAM.

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