On 07/03/2019 13:17, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2019-03-07 12:40:43)
On 06/03/2019 14:24, Chris Wilson wrote:
We can reduce the switch-to-kernel-context selftest to operate as a loop
and so trivially test another state transition (that of idle->busy).
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
- err = i915_gem_switch_to_kernel_context(i915);
- if (err)
- return err;
+ /* XXX Bonus points for proving we are the kernel context! */
Before the patch intel_engine_has_kernel_context was used for this, why
not any more?
Because in the brave new world, that function doesn't work and is
removed in the next? (next but one?) patch.
I haven't thought of a good replacement yet. It would be nice to be able
to categorically state when the GPU has the kernel context bound, but
the closest I have atm is to be able to only say that when idle we are
in the kernel context (and long may we remain idle!).
Okay,
Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Regards,
Tvrtko
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