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a314d5cb4a
If we want to read the pages directly via the CPU, we have to be sure that we have to flush the writes via the GTT (as the CPU can not see the address aliasing). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160818161718.27187-9-chris@chris-wilson.co.uk |
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