[Intel-gfx] [PATCH 26/30] drm/i915: Maintain fenced gpu access until we flush the fence

[Chris Wilson]

We only want to mark the transition from unfenced GPU access by an
execbuffer, so that we are forced to flush any pending writes through
the fence before updating the register.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem_execbuffer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 20a4cc5..a07911f 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -911,7 +911,7 @@ i915_gem_execbuffer_move_to_active(struct list_head *objects,
 
 		obj->base.read_domains = obj->base.pending_read_domains;
 		obj->base.write_domain = obj->base.pending_write_domain;
-		obj->fenced_gpu_access = obj->pending_fenced_gpu_access;
+		obj->fenced_gpu_access |= obj->pending_fenced_gpu_access;
 
 		i915_gem_object_move_to_active(obj, ring, seqno);
 		if (obj->base.write_domain) {
-- 
1.7.4.1