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add284a3a2
In order to act as a full command barrier by itself, we need to tell the pipecontrol to actually stall the command streamer while the flush runs. We require the full command barrier before operations like MI_SET_CONTEXT, which currently rely on a prior invalidate flush. References: https://bugs.freedesktop.org/show_bug.cgi?id=83677 Cc: Simon Farnsworth <simon@farnz.org.uk> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@vger.kernel.org Signed-off-by: Jani Nikula <jani.nikula@intel.com> |
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