diff options
| author | Oscar Mateo <oscar.mateo@intel.com> | 2014-07-24 17:04:32 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-08-11 23:12:34 +0200 |
| commit | 156485852684b511be28a83c78fece8b27ef7c26 (patch) | |
| tree | 5e4240c1f0e3cf72c789aefd0b707d2f817df5dc | |
| parent | 73d477f6bb17a1f14c4897a4b4a6597fe9a38ad2 (diff) | |
drm/i915/bdw: GEN-specific logical ring emit batchbuffer start
Dispatch_execbuffer's evil twin.
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Ditch the check for aliasing ppgtt. It'll break soon and
execlists requires full ppgtt anyway.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 27 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 2 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 009a8b5c088e..e0d4ef2a5c30 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -360,6 +360,28 @@ static int gen8_init_render_ring(struct intel_engine_cs *ring) return ret; } +static int gen8_emit_bb_start(struct intel_ringbuffer *ringbuf, + u64 offset, unsigned flags) +{ + struct intel_engine_cs *ring = ringbuf->ring; + struct drm_i915_private *dev_priv = ring->dev->dev_private; + bool ppgtt = !(flags & I915_DISPATCH_SECURE); + int ret; + + ret = intel_logical_ring_begin(ringbuf, 4); + if (ret) + return ret; + + /* FIXME(BDW): Address space and security selectors. */ + intel_logical_ring_emit(ringbuf, MI_BATCH_BUFFER_START_GEN8 | (ppgtt<<8)); + intel_logical_ring_emit(ringbuf, lower_32_bits(offset)); + intel_logical_ring_emit(ringbuf, upper_32_bits(offset)); + intel_logical_ring_emit(ringbuf, MI_NOOP); + intel_logical_ring_advance(ringbuf); + + return 0; +} + static bool gen8_logical_ring_get_irq(struct intel_engine_cs *ring) { struct drm_device *dev = ring->dev; @@ -594,6 +616,7 @@ static int logical_render_ring_init(struct drm_device *dev) ring->emit_flush = gen8_emit_flush_render; ring->irq_get = gen8_logical_ring_get_irq; ring->irq_put = gen8_logical_ring_put_irq; + ring->emit_bb_start = gen8_emit_bb_start; return logical_ring_init(dev, ring); } @@ -618,6 +641,7 @@ static int logical_bsd_ring_init(struct drm_device *dev) ring->emit_flush = gen8_emit_flush; ring->irq_get = gen8_logical_ring_get_irq; ring->irq_put = gen8_logical_ring_put_irq; + ring->emit_bb_start = gen8_emit_bb_start; return logical_ring_init(dev, ring); } @@ -642,6 +666,7 @@ static int logical_bsd2_ring_init(struct drm_device *dev) ring->emit_flush = gen8_emit_flush; ring->irq_get = gen8_logical_ring_get_irq; ring->irq_put = gen8_logical_ring_put_irq; + ring->emit_bb_start = gen8_emit_bb_start; return logical_ring_init(dev, ring); } @@ -666,6 +691,7 @@ static int logical_blt_ring_init(struct drm_device *dev) ring->emit_flush = gen8_emit_flush; ring->irq_get = gen8_logical_ring_get_irq; ring->irq_put = gen8_logical_ring_put_irq; + ring->emit_bb_start = gen8_emit_bb_start; return logical_ring_init(dev, ring); } @@ -690,6 +716,7 @@ static int logical_vebox_ring_init(struct drm_device *dev) ring->emit_flush = gen8_emit_flush; ring->irq_get = gen8_logical_ring_get_irq; ring->irq_put = gen8_logical_ring_put_irq; + ring->emit_bb_start = gen8_emit_bb_start; return logical_ring_init(dev, ring); } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index cb529ee10c8f..24437da91f77 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -229,6 +229,8 @@ struct intel_engine_cs { int (*emit_flush)(struct intel_ringbuffer *ringbuf, u32 invalidate_domains, u32 flush_domains); + int (*emit_bb_start)(struct intel_ringbuffer *ringbuf, + u64 offset, unsigned flags); /** * List of objects currently involved in rendering from the |