We'll want to reuse this for a workaround.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 37 ++++++++++++++++++++-------------
1 file changed, 22 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 313b1bd..4774bfa 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -363,12 +363,32 @@ gen7_render_ring_flush(struct intel_ring_buffer *ring,
}
static int
+gen8_emit_pipe_control(struct intel_ring_buffer *ring,
+ u32 flags, u32 scratch_addr)
+{
+ int ret;
+
+ ret = intel_ring_begin(ring, 6);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(6));
+ intel_ring_emit(ring, flags);
+ intel_ring_emit(ring, scratch_addr);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, 0);
+ intel_ring_advance(ring);
+
+ return 0;
+}
+
+static int
gen8_render_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains, u32 flush_domains)
{
u32 flags = 0;
u32 scratch_addr = ring->scratch.gtt_offset + 128;
- int ret;
/* For CS stalls, one of the following must also be set:
* - Render Target Cache Flush
@@ -394,20 +414,7 @@ gen8_render_ring_flush(struct intel_ring_buffer *ring,
flags |= PIPE_CONTROL_GLOBAL_GTT_IVB;
}
- ret = intel_ring_begin(ring, 6);
- if (ret)
- return ret;
-
- intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(6));
- intel_ring_emit(ring, flags);
- intel_ring_emit(ring, scratch_addr);
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
- intel_ring_advance(ring);
-
- return 0;
-
+ return gen8_emit_pipe_control(ring, flags, scratch_addr);
}
static void ring_write_tail(struct intel_ring_buffer *ring,
--
1.8.5.2
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