diff options
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 |