For a simulated preemption reset, we don't populate the request and so
do not fill in the guilty context name.
[ 79.991294] i915 0000:00:02.0: GPU HANG: ecode 9:1:e757fefe, in [0]
Just don't mention the empty string in the logs!
Fixes: 742379c0c400 ("drm/i915: Start chopping up the GPU error capture")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gpu_error.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 4c1836f0a991..594341e27a47 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1681,7 +1681,7 @@ static const char *error_msg(struct i915_gpu_coredump *error)
"GPU HANG: ecode %d:%x:%08x",
INTEL_GEN(error->i915), engines,
generate_ecode(first));
- if (first) {
+ if (first && first->context.pid) {
/* Just show the first executing process, more is confusing */
len += scnprintf(error->error_msg + len,
sizeof(error->error_msg) - len,
--
2.25.0
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