diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 0e72da6ad0fa..1ef081cd1706 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -280,6 +280,27 @@ gen7_render_ring_cs_stall_wa(struct intel_ring_buffer *ring) return 0; } +static int gen7_ring_fbc_flush(struct intel_ring_buffer *ring, u32 value) +{ + int ret; + + if (!ring->fbc_dirty) + return 0; + + ret = intel_ring_begin(ring, 4); + if (ret) + return ret; + intel_ring_emit(ring, MI_NOOP); + /* WaFbcNukeOn3DBlt:ivb/hsw */ + intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); + intel_ring_emit(ring, MSG_FBC_REND_STATE); + intel_ring_emit(ring, value); + intel_ring_advance(ring); + + ring->fbc_dirty = false; + return 0; +} + static int gen7_render_ring_flush(struct intel_ring_buffer *ring, u32 invalidate_domains, u32 flush_domains) @@ -336,6 +357,9 @@ gen7_render_ring_flush(struct intel_ring_buffer *ring, intel_ring_emit(ring, 0); intel_ring_advance(ring); + if (flush_domains) + return gen7_ring_fbc_flush(ring, FBC_REND_NUKE); + return 0; } @@ -1685,6 +1709,7 @@ gen6_ring_dispatch_execbuffer(struct intel_ring_buffer *ring, static int gen6_ring_flush(struct intel_ring_buffer *ring, u32 invalidate, u32 flush) { + struct drm_device *dev = ring->dev; uint32_t cmd; int ret; @@ -1707,6 +1732,10 @@ static int gen6_ring_flush(struct intel_ring_buffer *ring, intel_ring_emit(ring, 0); intel_ring_emit(ring, MI_NOOP); intel_ring_advance(ring); + + if (IS_GEN7(dev) && flush) + return gen7_ring_fbc_flush(ring, FBC_REND_CACHE_CLEAN); + return 0; } |