[Intel-gfx] [PATCH i-g-t 1/2] i915/gem_ctx_isolation: Protect inject_reset_context() from banning

Chris Wilson chris at chris-wilson.co.uk
Tue Jan 5 11:21:39 UTC 2021


Quoting Chris Wilson (2021-01-05 11:19:26)
> Disable banning as we deliberately inject GPU resets to test isolation.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Venkata Ramana Nayana <venkata.ramana.nayana at intel.com>
> ---
>  tests/i915/gem_ctx_isolation.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/i915/gem_ctx_isolation.c b/tests/i915/gem_ctx_isolation.c
> index 58a35b487..4f1742685 100644
> --- a/tests/i915/gem_ctx_isolation.c
> +++ b/tests/i915/gem_ctx_isolation.c
> @@ -762,10 +762,21 @@ static void isolation(int fd,
>  #define S4 (4 << 8)
>  #define SLEEP_MASK (0xf << 8)
>  
> +static uint32_t create_reset_context(int i915)
> +{
> +       struct drm_i915_gem_context_param param = {
> +               .ctx_id = gem_context_clone_with_engines(i915, 0),

An alternative is that we pass CLONE_FLAGS to
gem_context_clone_with_engines(). Danger is context_clone_with_engines
is widely used.
-Chris


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