Add the missing serialisation on the request for a write into a vma to
wait until that vma is bound before being executed by the GPU.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.a...@intel.com>
---
drivers/gpu/drm/i915/gt/selftest_workarounds.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c
b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
index 1048be646c35..dc11f7ad50a2 100644
--- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
@@ -786,6 +786,14 @@ static int read_whitelisted_registers(struct
i915_gem_context *ctx,
if (IS_ERR(rq))
return PTR_ERR(rq);
+ i915_vma_lock(results);
+ err = i915_request_await_object(rq, results->obj, true);
+ if (err == 0)
+ err = i915_vma_move_to_active(results, rq, EXEC_OBJECT_WRITE);
+ i915_vma_unlock(results);
+ if (err)
+ goto err_req;
+
srm = MI_STORE_REGISTER_MEM;
if (INTEL_GEN(ctx->i915) >= 8)
srm++;
--
2.23.0
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