[Intel-gfx] [PATCH 3/6] drm/i915/gt: Prevent allocation on a banned context
Chris Wilson
chris at chris-wilson.co.uk
Thu Feb 20 07:50:22 UTC 2020
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 at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>
---
drivers/gpu/drm/i915/gt/intel_context.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index 8bb444cda14f..01474d3a558b 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -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;
--
2.25.1
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