[PATCH 29/47] drm/i915/guc: Disable bonding extension with GuC submission

[Matthew Brost]

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.br...@intel.com>
---
 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 8a9293e0ca92..0429aa4172bf 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -1674,6 +1674,11 @@ set_engines__bond(struct i915_user_extension __user 
*base, void *data)
        }
        virtual = set->engines->engines[idx]->engine;
 
+       if (intel_engine_uses_guc(virtual)) {
+               DRM_DEBUG("bonding extension not supported with GuC 
submission");
+               return -ENODEV;
+       }
+
        err = check_user_mbz(&ext->flags);
        if (err)
                return err;
-- 
2.28.0