Change-Id: I584572cfb9145ee1b8d11d69ba2989bd6acfd706
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 3306667..f201510 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3499,6 +3499,17 @@ static void gfx_v9_0_ring_set_wptr_gfx(struct amdgpu_ring *ring)
}
}
+static void gfx_v9_0_ring_emit_vgt_flush(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
+ amdgpu_ring_write(ring, EVENT_TYPE(VS_PARTIAL_FLUSH) |
+ EVENT_INDEX(4));
+
+ amdgpu_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
+ amdgpu_ring_write(ring, EVENT_TYPE(VGT_FLUSH) |
+ EVENT_INDEX(0));
+}
+
static void gfx_v9_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
u32 ref_and_mask, reg_mem_engine;
@@ -3530,6 +3541,9 @@ static void gfx_v9_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
nbio_hf_reg->hdp_flush_req_offset,
nbio_hf_reg->hdp_flush_done_offset,
ref_and_mask, ref_and_mask, 0x20);
+
+ if (ring->funcs->type == AMDGPU_RING_TYPE_GFX)
+ gfx_v9_0_ring_emit_vgt_flush(ring);
}
static void gfx_v9_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
--
2.7.4
