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authorChris Wilson <chris@chris-wilson.co.uk>2016-09-09 16:11:56 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2016-09-09 16:23:06 +0300
commita2bc4695bbf24877d75b34da5d11fcb38393eee9 (patch)
tree7f87e3e04bf11a321fd6a316bd05a51855e17969 /drivers/gpu/drm/i915/i915_gem_request.h
parent0f25dff6e960c44c5e7d306ff3a3fdad5367a90e (diff)
downloadlinux-a2bc4695bbf24877d75b34da5d11fcb38393eee9.tar.xz
drm/i915: Prepare object synchronisation for asynchronicity
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
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_request.h')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_request.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
index e141b1cca16a..883df3bdb381 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.h
+++ b/drivers/gpu/drm/i915/i915_gem_request.h
@@ -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)