diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index c2352d1b23fa..cd6ddd80e54c 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -252,6 +252,22 @@ void intel_logical_ring_stop(struct intel_engine_cs *ring) I915_WRITE_MODE(ring, _MASKED_BIT_DISABLE(STOP_RING)); } +int logical_ring_flush_all_caches(struct intel_ringbuffer *ringbuf) +{ + struct intel_engine_cs *ring = ringbuf->ring; + int ret; + + if (!ring->gpu_caches_dirty) + return 0; + + ret = ring->emit_flush(ringbuf, 0, I915_GEM_GPU_DOMAINS); + if (ret) + return ret; + + ring->gpu_caches_dirty = false; + return 0; +} + void intel_logical_ring_advance_and_submit(struct intel_ringbuffer *ringbuf) { intel_logical_ring_advance(ringbuf); @@ -262,7 +278,8 @@ void intel_logical_ring_advance_and_submit(struct intel_ringbuffer *ringbuf) /* TODO: how to submit a context to the ELSP is not here yet */ } -static int logical_ring_alloc_seqno(struct intel_engine_cs *ring) +static int logical_ring_alloc_seqno(struct intel_engine_cs *ring, + struct intel_context *ctx) { if (ring->outstanding_lazy_seqno) return 0; @@ -274,6 +291,13 @@ static int logical_ring_alloc_seqno(struct intel_engine_cs *ring) if (request == NULL) return -ENOMEM; + /* Hold a reference to the context this request belongs to + * (we will need it when the time comes to emit/retire the + * request). + */ + request->ctx = ctx; + i915_gem_context_reference(request->ctx); + ring->preallocated_lazy_request = request; } @@ -312,8 +336,6 @@ static int logical_ring_wait_request(struct intel_ringbuffer *ringbuf, if (ret) return ret; - /* TODO: make sure we update the right ringbuffer's last_retired_head - * when retiring requests */ i915_gem_retire_requests_ring(ring); ringbuf->head = ringbuf->last_retired_head; ringbuf->last_retired_head = -1; @@ -433,7 +455,7 @@ int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf, int num_dwords) return ret; /* Preallocate the olr before touching the ring */ - ret = logical_ring_alloc_seqno(ring); + ret = logical_ring_alloc_seqno(ring, ringbuf->FIXME_lrc_ctx); if (ret) return ret; |