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drm/i915/gt: Prevent allocation on a banned context

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If a context is banned even before we submit our first request to it,
report the failure before we attempt to allocate any resources for the
context.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200303080546.1140508-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-03-03 08:05:45 +00:00
parent 130a95e909
commit 373f27f24c
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/gt/intel_context.c
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@ -51,6 +51,11 @@ int intel_context_alloc_state(struct intel_context *ce)
return -EINTR;
if (!test_bit(CONTEXT_ALLOC_BIT, &ce->flags)) {
if (intel_context_is_banned(ce)) {
err = -EIO;
goto unlock;
}
err = ce->ops->alloc(ce);
if (unlikely(err))
goto unlock;