tree:   git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
head:   f75fc37b5e70b75f21550410f88e2379648120e2
commit: f75fc37b5e70b75f21550410f88e2379648120e2 [20/20] drm/i915/gt: Mark up 
virtual engine uabi_instance

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>

New smatch warnings:
drivers/gpu/drm/i915/gt/intel_lrc.c:4613 intel_execlists_create_virtual() warn: 
assigning (-2) to unsigned variable 've->base.uabi_instance'

Old smatch warnings:
drivers/gpu/drm/i915/gt/intel_lrc.c:4612 intel_execlists_create_virtual() warn: 
assigning (-2) to unsigned variable 've->base.instance'

git remote add drm-intel git://anongit.freedesktop.org/drm-intel
git remote update drm-intel
git checkout f75fc37b5e70b75f21550410f88e2379648120e2
vim +4613 drivers/gpu/drm/i915/gt/intel_lrc.c

6d06779e867243 Chris Wilson   2019-05-21  4587  struct intel_context *
e6ba76480299a0 Chris Wilson   2019-12-21  4588  
intel_execlists_create_virtual(struct intel_engine_cs **siblings,
6d06779e867243 Chris Wilson   2019-05-21  4589                                 
unsigned int count)
6d06779e867243 Chris Wilson   2019-05-21  4590  {
6d06779e867243 Chris Wilson   2019-05-21  4591          struct virtual_engine 
*ve;
6d06779e867243 Chris Wilson   2019-05-21  4592          unsigned int n;
6d06779e867243 Chris Wilson   2019-05-21  4593          int err;
6d06779e867243 Chris Wilson   2019-05-21  4594  
6d06779e867243 Chris Wilson   2019-05-21  4595          if (count == 0)
6d06779e867243 Chris Wilson   2019-05-21  4596                  return 
ERR_PTR(-EINVAL);
6d06779e867243 Chris Wilson   2019-05-21  4597  
6d06779e867243 Chris Wilson   2019-05-21  4598          if (count == 1)
e6ba76480299a0 Chris Wilson   2019-12-21  4599                  return 
intel_context_create(siblings[0]);
6d06779e867243 Chris Wilson   2019-05-21  4600  
6d06779e867243 Chris Wilson   2019-05-21  4601          ve = 
kzalloc(struct_size(ve, siblings, count), GFP_KERNEL);
6d06779e867243 Chris Wilson   2019-05-21  4602          if (!ve)
6d06779e867243 Chris Wilson   2019-05-21  4603                  return 
ERR_PTR(-ENOMEM);
6d06779e867243 Chris Wilson   2019-05-21  4604  
e6ba76480299a0 Chris Wilson   2019-12-21  4605          ve->base.i915 = 
siblings[0]->i915;
f937f5613b6f10 Tvrtko Ursulin 2019-06-21  4606          ve->base.gt = 
siblings[0]->gt;
20af04f3dd5679 Chris Wilson   2019-10-08  4607          ve->base.uncore = 
siblings[0]->uncore;
6d06779e867243 Chris Wilson   2019-05-21  4608          ve->base.id = -1;
f75fc37b5e70b7 Chris Wilson   2020-01-06  4609  
6d06779e867243 Chris Wilson   2019-05-21  4610          ve->base.class = 
OTHER_CLASS;
6d06779e867243 Chris Wilson   2019-05-21  4611          ve->base.uabi_class = 
I915_ENGINE_CLASS_INVALID;
6d06779e867243 Chris Wilson   2019-05-21  4612          ve->base.instance = 
I915_ENGINE_CLASS_INVALID_VIRTUAL;
f75fc37b5e70b7 Chris Wilson   2020-01-06 @4613          ve->base.uabi_instance 
= I915_ENGINE_CLASS_INVALID_VIRTUAL;
                                                        
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
6d06779e867243 Chris Wilson   2019-05-21  4614  
44d89409a12eb8 Chris Wilson   2019-06-18  4615          /*
44d89409a12eb8 Chris Wilson   2019-06-18  4616           * The decision on 
whether to submit a request using semaphores
44d89409a12eb8 Chris Wilson   2019-06-18  4617           * depends on the 
saturated state of the engine. We only compute
44d89409a12eb8 Chris Wilson   2019-06-18  4618           * this during HW 
submission of the request, and we need for this
44d89409a12eb8 Chris Wilson   2019-06-18  4619           * state to be globally 
applied to all requests being submitted
44d89409a12eb8 Chris Wilson   2019-06-18  4620           * to this engine. 
Virtual engines encompass more than one physical

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org Intel Corporation
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