Update the bonding extension to return -ENODEV when using GuC submission
as this extension fundamentally will not work with the GuC submission
interface.
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Reviewed-by: John Harrison <John.C.Harrison@xxxxxxxxx>
---
drivers/gpu/drm/i915/gem/i915_gem_context.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index bc52eeed782a..e3df01a201d7 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -491,6 +491,11 @@ set_proto_ctx_engines_bond(struct i915_user_extension __user *base, void *data)
return -EINVAL;
}
+ if (intel_engine_uses_guc(master)) {
+ DRM_DEBUG("bonding extension not supported with GuC submission");
+ return -ENODEV;
+ }
+
if (get_user(num_bonds, &ext->num_bonds))
return -EFAULT;
--
2.28.0
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