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drm/i915: Prepare object synchronisation for asynchronicity

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We are about to specialize object synchronisation to enable nonblocking
execbuf submission. First we make a copy of the current object
synchronisation for execbuffer. The general i915_gem_object_sync() will
be removed following the removal of CS flips in the near future.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: John Harrison <john.c.harrison@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160909131201.16673-16-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-09-09 14:11:56 +01:00
parent 0f25dff6e9
commit a2bc4695bb
6 changed files with 95 additions and 95 deletions
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5
drivers/gpu/drm/i915/i915_gem_request.h
View file

@ -209,6 +209,11 @@ static inline void i915_gem_request_assign(struct drm_i915_gem_request **pdst,
*pdst = src;
}
int
i915_gem_request_await_object(struct drm_i915_gem_request *to,
struct drm_i915_gem_object *obj,
bool write);
void __i915_add_request(struct drm_i915_gem_request *req, bool flush_caches);
#define i915_add_request(req) \
__i915_add_request(req, true)