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drm/i915: Inject load failure inside intel_engines_init_mmio

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We need extra load failure point to better test error path in
i915_driver_init_mmio.

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20181011130008.24640-2-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2018-10-11 13:00:08 +00:00 committed by Chris Wilson
parent c5b083a1a1
commit 645ff9e371
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/intel_engine_cs.c
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@ -337,6 +337,9 @@ int intel_engines_init_mmio(struct drm_i915_private *dev_priv)
WARN_ON(ring_mask &
GENMASK(BITS_PER_TYPE(mask) - 1, I915_NUM_ENGINES));
if (i915_inject_load_failure())
return -ENODEV;
for (i = 0; i < ARRAY_SIZE(intel_engines); i++) {
if (!HAS_ENGINE(dev_priv, i))
continue;