diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 31025847d68..94f8b408764 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -350,6 +350,32 @@ static void gen8_set_seqno(struct intel_engine_cs *ring, u32 seqno) intel_write_status_page(ring, I915_GEM_HWS_INDEX, seqno); } +static int gen8_emit_request(struct intel_ringbuffer *ringbuf) +{ + struct intel_engine_cs *ring = ringbuf->ring; + u32 cmd; + int ret; + + ret = intel_logical_ring_begin(ringbuf, 6); + if (ret) + return ret; + + cmd = MI_STORE_DWORD_IMM_GEN8; + cmd |= MI_GLOBAL_GTT; + + intel_logical_ring_emit(ringbuf, cmd); + intel_logical_ring_emit(ringbuf, + (ring->status_page.gfx_addr + + (I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT))); + intel_logical_ring_emit(ringbuf, 0); + intel_logical_ring_emit(ringbuf, ring->outstanding_lazy_seqno); + intel_logical_ring_emit(ringbuf, MI_USER_INTERRUPT); + intel_logical_ring_emit(ringbuf, MI_NOOP); + intel_logical_ring_advance_and_submit(ringbuf); + + return 0; +} + void intel_logical_ring_cleanup(struct intel_engine_cs *ring) { if (!intel_ring_initialized(ring)) @@ -424,6 +450,7 @@ static int logical_render_ring_init(struct drm_device *dev) ring->cleanup = intel_fini_pipe_control; ring->get_seqno = gen8_get_seqno; ring->set_seqno = gen8_set_seqno; + ring->emit_request = gen8_emit_request; return logical_ring_init(dev, ring); } @@ -442,6 +469,7 @@ static int logical_bsd_ring_init(struct drm_device *dev) ring->init = gen8_init_common_ring; ring->get_seqno = gen8_get_seqno; ring->set_seqno = gen8_set_seqno; + ring->emit_request = gen8_emit_request; return logical_ring_init(dev, ring); } @@ -460,6 +488,7 @@ static int logical_bsd2_ring_init(struct drm_device *dev) ring->init = gen8_init_common_ring; ring->get_seqno = gen8_get_seqno; ring->set_seqno = gen8_set_seqno; + ring->emit_request = gen8_emit_request; return logical_ring_init(dev, ring); } @@ -478,6 +507,7 @@ static int logical_blt_ring_init(struct drm_device *dev) ring->init = gen8_init_common_ring; ring->get_seqno = gen8_get_seqno; ring->set_seqno = gen8_set_seqno; + ring->emit_request = gen8_emit_request; return logical_ring_init(dev, ring); } @@ -496,6 +526,7 @@ static int logical_vebox_ring_init(struct drm_device *dev) ring->init = gen8_init_common_ring; ring->get_seqno = gen8_get_seqno; ring->set_seqno = gen8_set_seqno; + ring->emit_request = gen8_emit_request; return logical_ring_init(dev, ring); } |