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drm/i915/gt: Cancel a hung context if already closed 

Use the restored ability to check if a context is closed to decide
whether or not to immediately ban the context from further execution
after a hang.

Fixes: be90e34483 ("drm/i915/gt: Cancel banned contexts after GT reset")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200319170707.8262-2-chris@chris-wilson.co.uk
(cherry picked from commit 8e37d69913)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Chris Wilson 2020-03-19 17:07:07 +00:00 committed by Rodrigo Vivi
parent 2e46a2a0b0
commit a24c57d0b3
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/gt/intel_reset.c
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@ -88,6 +88,11 @@ static bool mark_guilty(struct i915_request *rq)
bool banned;
int i;
if (intel_context_is_closed(rq->context)) {
intel_context_set_banned(rq->context);
return true;
}
rcu_read_lock();
ctx = rcu_dereference(rq->context->gem_context);
if (ctx && !kref_get_unless_zero(&ctx->ref))