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drm/i915: Extract "emit write" part of emit breadcrumb functions
Let's separate the "emit" part from touching any internal structures, this way we can have a generic "emit coherent GGTT write" function. We would like to reuse this functionality for emitting HWSP write, to confirm that preempt-to-idle has finished. v2: Reorder args to match emit_pipe_control, s/render/rcs (Chris) Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20171025200020.16636-8-michal.winiarski@intel.com
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Michał Winiarski
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Chris Wilson
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Oct 26, 2017
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