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Chris Wilson authored
The write hazard lies extend also to the cache-dirty tracking; as we purposefully do not tell the kernel we are writing to the bo, it fails to note the CPU cache as dirty and so the gem_read() may not sufficiently flush the caches prior to reading back from the GPU. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Antonio Argenziano <antonio.argenziano@intel.com> Reviewed-by: Antonio Argenziano <antonio.argenziano@intel.com>
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