This reverts commit 9e31c1fe45d555a948ff66f1f0e3fe1f83ca63f7.  Ever
since that commit, we've been having issues where a hang in one client
can propagate to another.  In particular, a hang in an app can propagate
to the X server which causes the whole desktop to lock up.

Signed-off-by: Jason Ekstrand <jason.ekstr...@intel.com>
Reported-by: Marcin Slusarz <marcin.slus...@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/3080
Fixes: 9e31c1fe45d5 ("drm/i915: Propagate errors on awaiting already signaled 
fences")
---
 drivers/gpu/drm/i915/i915_request.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_request.c 
b/drivers/gpu/drm/i915/i915_request.c
index e7b4c4bc41a64..870d6083bb57e 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1232,10 +1232,8 @@ i915_request_await_execution(struct i915_request *rq,
 
        do {
                fence = *child++;
-               if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) {
-                       i915_sw_fence_set_error_once(&rq->submit, fence->error);
+               if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
                        continue;
-               }
 
                if (fence->context == rq->fence.context)
                        continue;
@@ -1333,10 +1331,8 @@ i915_request_await_dma_fence(struct i915_request *rq, 
struct dma_fence *fence)
 
        do {
                fence = *child++;
-               if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) {
-                       i915_sw_fence_set_error_once(&rq->submit, fence->error);
+               if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
                        continue;
-               }
 
                /*
                 * Requests on the same timeline are explicitly ordered, along
-- 
2.29.2

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