Ensure that before we overwrite the reservation_object with our
exclusive fence for the pending clflush operation, that we do wait upon
all the fences in the current reservation_object.
Fixes: 57822dc6b9cf ("drm/i915: Perform object clflushing asynchronously")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_clflush.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_clflush.c b/drivers/gpu/drm/i915/i915_gem_clflush.c
index d925fb582ba7..ffd01e02fe94 100644
--- a/drivers/gpu/drm/i915/i915_gem_clflush.c
+++ b/drivers/gpu/drm/i915/i915_gem_clflush.c
@@ -168,7 +168,7 @@ void i915_gem_clflush_object(struct drm_i915_gem_object *obj,
i915_sw_fence_await_reservation(&clflush->wait,
obj->resv, NULL,
- false, I915_FENCE_TIMEOUT,
+ true, I915_FENCE_TIMEOUT,
GFP_KERNEL);
reservation_object_lock(obj->resv, NULL);
--
2.11.0
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