From d223760f38b13f3c0a14978b6c4261b9bd690494 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 23 Mar 2017 08:57:58 +0000 Subject: [PATCH] drm/i915: Wait for all fences before installing an exclusive clflush fence 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 Cc: Joonas Lahtinen Cc: Matthew Auld Link: http://patchwork.freedesktop.org/patch/msgid/20170323085758.11695-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala --- 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); -- 2.20.1