[Intel-gfx] [PATCH 2/5] drm/i915: Suppress EIO through fence-flushing

[Chris Wilson]

If the hardware dies without outstanding GPU fenced access, we no longer
care and can simply reuse the fence.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 16591ad..ffe0853 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2347,7 +2347,7 @@ i915_gem_object_flush_fence(struct drm_i915_gem_object *obj,
 		if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
 			ret = i915_gem_flush_ring(obj->last_fenced_ring,
 						  0, obj->base.write_domain);
-			if (ret)
+			if (ret && ret != -EIO)
 				return ret;
 		}
 
@@ -2360,7 +2360,7 @@ i915_gem_object_flush_fence(struct drm_i915_gem_object *obj,
 			ret = i915_wait_request(obj->last_fenced_ring,
 						obj->last_fenced_seqno,
 						true);
-			if (ret)
+			if (ret && ret != -EIO)
 				return ret;
 		}
 
-- 
1.7.10