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drm/i915/selftests: Release ctx->engine_mutex after iteration

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A lock once taken must be released again.

Fixes: c31c9e82ee ("drm/i915/selftests: Teach switch_to_context() to use the context")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191022223316.12662-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-10-22 23:33:16 +01:00
parent f79520bb33
commit e16302cb67
1 changed files with 7 additions and 3 deletions
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10
drivers/gpu/drm/i915/selftests/i915_gem.c
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@ -19,18 +19,22 @@ static int switch_to_context(struct i915_gem_context *ctx)
{
struct i915_gem_engines_iter it;
struct intel_context *ce;
int err = 0;
for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) {
struct i915_request *rq;
rq = intel_context_create_request(ce);
if (IS_ERR(rq))
return PTR_ERR(rq);
if (IS_ERR(rq)) {
err = PTR_ERR(rq);
break;
}
i915_request_add(rq);
}
i915_gem_context_unlock_engines(ctx);
return 0;
return err;
}
static void trash_stolen(struct drm_i915_private *i915)