diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_context.c')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_context.c | 67 |
1 files changed, 36 insertions, 31 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index bc5ae18dbe3e..cac80d87b2bb 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -63,6 +63,34 @@ unlock: return err; } +static int intel_context_active_acquire(struct intel_context *ce) +{ + int err; + + err = i915_active_acquire(&ce->active); + if (err) + return err; + + /* Preallocate tracking nodes */ + if (!intel_context_is_barrier(ce)) { + err = i915_active_acquire_preallocate_barrier(&ce->active, + ce->engine); + if (err) { + i915_active_release(&ce->active); + return err; + } + } + + return 0; +} + +static void intel_context_active_release(struct intel_context *ce) +{ + /* Nodes preallocated in intel_context_active() */ + i915_active_acquire_barrier(&ce->active); + i915_active_release(&ce->active); +} + int __intel_context_do_pin(struct intel_context *ce) { int err; @@ -79,11 +107,14 @@ int __intel_context_do_pin(struct intel_context *ce) if (likely(!atomic_read(&ce->pin_count))) { intel_wakeref_t wakeref; - err = 0; + err = intel_context_active_acquire(ce); + if (unlikely(err)) + goto err; + with_intel_runtime_pm(ce->engine->uncore->rpm, wakeref) err = ce->ops->pin(ce); - if (err) - goto err; + if (unlikely(err)) + goto err_active; CE_TRACE(ce, "pin ring:{head:%04x, tail:%04x}\n", ce->ring->head, ce->ring->tail); @@ -97,6 +128,8 @@ int __intel_context_do_pin(struct intel_context *ce) mutex_unlock(&ce->pin_mutex); return 0; +err_active: + intel_context_active_release(ce); err: mutex_unlock(&ce->pin_mutex); return err; @@ -198,34 +231,6 @@ err_put: return err; } -int intel_context_active_acquire(struct intel_context *ce) -{ - int err; - - err = i915_active_acquire(&ce->active); - if (err) - return err; - - /* Preallocate tracking nodes */ - if (!intel_context_is_barrier(ce)) { - err = i915_active_acquire_preallocate_barrier(&ce->active, - ce->engine); - if (err) { - i915_active_release(&ce->active); - return err; - } - } - - return 0; -} - -void intel_context_active_release(struct intel_context *ce) -{ - /* Nodes preallocated in intel_context_active() */ - i915_active_acquire_barrier(&ce->active); - i915_active_release(&ce->active); -} - void intel_context_init(struct intel_context *ce, struct intel_engine_cs *engine) |