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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-13 17:15:14 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-13 20:45:24 +0000 |
| commit | f97fbf9606a1a96d61d171e1ed1606b2b812fb01 (patch) | |
| tree | d45403154b7dd305d6bbc1e46567670c7a1bb167 /drivers/gpu/drm/i915/intel_breadcrumbs.c | |
| parent | drm/i915: Add some selftests for sg_table manipulation (diff) | |
| download | linux-dev-f97fbf9606a1a96d61d171e1ed1606b2b812fb01.tar.xz linux-dev-f97fbf9606a1a96d61d171e1ed1606b2b812fb01.zip | |
drm/i915: Add unit tests for the breadcrumb rbtree, insert/remove
First retroactive test, make sure that the waiters are in global seqno
order after random inserts and removals.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170213171558.20942-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_breadcrumbs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_breadcrumbs.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index f5e05343110a..74cb7b91b5db 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -107,6 +107,18 @@ static void __intel_breadcrumbs_enable_irq(struct intel_breadcrumbs *b) if (b->rpm_wakelock) return; + if (I915_SELFTEST_ONLY(b->mock)) { + /* For our mock objects we want to avoid interaction + * with the real hardware (which is not set up). So + * we simply pretend we have enabled the powerwell + * and the irq, and leave it up to the mock + * implementation to call intel_engine_wakeup() + * itself when it wants to simulate a user interrupt, + */ + b->rpm_wakelock = true; + return; + } + /* Since we are waiting on a request, the GPU should be busy * and should have its own rpm reference. For completeness, * record an rpm reference for ourselves to cover the @@ -142,6 +154,11 @@ static void __intel_breadcrumbs_disable_irq(struct intel_breadcrumbs *b) if (!b->rpm_wakelock) return; + if (I915_SELFTEST_ONLY(b->mock)) { + b->rpm_wakelock = false; + return; + } + if (b->irq_enabled) { irq_disable(engine); b->irq_enabled = false; @@ -664,3 +681,7 @@ unsigned int intel_breadcrumbs_busy(struct drm_i915_private *i915) return mask; } + +#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) +#include "selftests/intel_breadcrumbs.c" +#endif |