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drm/i915/guc: Disable bonding extension with GuC submission

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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@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-5-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2021-07-26 17:23:19 -07:00 committed by John Harrison
parent 1e98d8c52e
commit b02d86b915
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/gem/i915_gem_context.c
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@ -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;