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drm/i915/gt: Only ignore already reset requests

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If a request is being re-run after an innocent reset, it is marked as
-EAGAIN. So only skip an engine reset if the request is marked as -EIO.

Testcase: igt/gem_ctx_exec/basic-nohangcheck
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200207161602.2838218-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-02-07 16:16:02 +00:00
parent 0db1a5f870
commit 6e17ae7380
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/i915/gem/i915_gem_context.c
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@ -419,7 +419,7 @@ static struct intel_engine_cs *__active_engine(struct i915_request *rq)
}
engine = NULL;
if (i915_request_is_active(rq) && !rq->fence.error)
if (i915_request_is_active(rq) && rq->fence.error != -EIO)
engine = rq->engine;
spin_unlock_irq(&locked->active.lock);

2
drivers/gpu/drm/i915/gt/intel_reset.c
View File

@ -1182,7 +1182,7 @@ static void intel_gt_reset_global(struct intel_gt *gt,
kobject_uevent_env(kobj, KOBJ_CHANGE, error_event);
drm_dbg(&gt->i915->drm, "resetting chip\n");
drm_dbg(&gt->i915->drm, "resetting chip, engines=%x\n", engine_mask);
kobject_uevent_env(kobj, KOBJ_CHANGE, reset_event);
/* Use a watchdog to ensure that our reset completes */